bash-20110622 remove leftover and stray files

This commit is contained in:
Chet Ramey
2011-12-29 13:10:02 -05:00
parent 51f7ea3672
commit b878ffd656
83 changed files with 0 additions and 123670 deletions
-344
View File
@@ -1,344 +0,0 @@
/* gmisc.c -- miscellaneous pattern matching utility functions for Bash.
Copyright (C) 2010 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne-Again SHell.
Bash is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Bash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Bash. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "bashtypes.h"
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif
#include "bashansi.h"
#include "shmbutil.h"
#include "stdc.h"
#ifndef LPAREN
# define LPAREN '('
#endif
#ifndef RPAREN
# define RPAREN ')'
#endif
#if defined (HANDLE_MULTIBYTE)
#define WLPAREN L'('
#define WRPAREN L')'
/* Return 1 of the first character of WSTRING could match the first
character of pattern WPAT. Wide character version. */
int
match_pattern_wchar (wpat, wstring)
wchar_t *wpat, *wstring;
{
wchar_t wc;
if (*wstring == 0)
return (0);
switch (wc = *wpat++)
{
default:
return (*wstring == wc);
case L'\\':
return (*wstring == *wpat);
case L'?':
return (*wpat == WLPAREN ? 1 : (*wstring != L'\0'));
case L'*':
return (1);
case L'+':
case L'!':
case L'@':
return (*wpat == WLPAREN ? 1 : (*wstring == wc));
case L'[':
return (*wstring != L'\0');
}
}
int
wmatchlen (wpat, wmax)
wchar_t *wpat;
size_t wmax;
{
wchar_t wc;
int matlen, bracklen, t, in_cclass, in_collsym, in_equiv;
if (*wpat == 0)
return (0);
matlen = in_cclass = in_collsym = in_equiv = 0;
while (wc = *wpat++)
{
switch (wc)
{
default:
matlen++;
break;
case L'\\':
if (*wpat == 0)
return ++matlen;
else
{
matlen++;
wpat++;
}
break;
case L'?':
if (*wpat == WLPAREN)
return (matlen = -1); /* XXX for now */
else
matlen++;
break;
case L'*':
return (matlen = -1);
case L'+':
case L'!':
case L'@':
if (*wpat == WLPAREN)
return (matlen = -1); /* XXX for now */
else
matlen++;
break;
case L'[':
/* scan for ending `]', skipping over embedded [:...:] */
bracklen = 1;
wc = *wpat++;
do
{
if (wc == 0)
{
wpat--; /* back up to NUL */
matlen += bracklen;
goto bad_bracket;
}
else if (wc == L'\\')
{
/* *wpat == backslash-escaped character */
bracklen++;
/* If the backslash or backslash-escape ends the string,
bail. The ++wpat skips over the backslash escape */
if (*wpat == 0 || *++wpat == 0)
{
matlen += bracklen;
goto bad_bracket;
}
}
else if (wc == L'[' && *wpat == L':') /* character class */
{
wpat++;
in_cclass = 1;
}
else if (in_cclass && wc == L':' && *wpat == L']')
{
wpat++;
in_cclass = 0;
}
else if (wc == L'[' && *wpat == L'.') /* collating symbol */
{
wpat++;
if (*wpat == L']') /* right bracket can appear as collating symbol */
wpat++;
in_collsym = 1;
}
else if (in_collsym && wc == L'.' && *wpat == L']')
{
wpat++;
in_collsym = 0;
}
else if (wc == L'[' && *wpat == L'=') /* equivalence class */
{
wpat++;
if (*wpat == L']') /* right bracket can appear as equivalence class */
wpat++;
in_equiv = 1;
}
else if (in_equiv && wc == L'=' && *wpat == L']')
{
wpat++;
in_equiv = 0;
}
}
while ((wc = *wpat++) != L']');
matlen++; /* bracket expression can only match one char */
bad_bracket:
break;
}
}
return matlen;
}
#endif
/* Return 1 of the first character of STRING could match the first
character of pattern PAT. Used to avoid n2 calls to strmatch(). */
int
match_pattern_char (pat, string)
char *pat, *string;
{
char c;
if (*string == 0)
return (0);
switch (c = *pat++)
{
default:
return (*string == c);
case '\\':
return (*string == *pat);
case '?':
return (*pat == LPAREN ? 1 : (*string != '\0'));
case '*':
return (1);
case '+':
case '!':
case '@':
return (*pat == LPAREN ? 1 : (*string == c));
case '[':
return (*string != '\0');
}
}
int
umatchlen (pat, max)
char *pat;
size_t max;
{
char c;
int matlen, bracklen, t, in_cclass, in_collsym, in_equiv;
if (*pat == 0)
return (0);
matlen = in_cclass = in_collsym = in_equiv = 0;
while (c = *pat++)
{
switch (c)
{
default:
matlen++;
break;
case '\\':
if (*pat == 0)
return ++matlen;
else
{
matlen++;
pat++;
}
break;
case '?':
if (*pat == LPAREN)
return (matlen = -1); /* XXX for now */
else
matlen++;
break;
case '*':
return (matlen = -1);
case '+':
case '!':
case '@':
if (*pat == LPAREN)
return (matlen = -1); /* XXX for now */
else
matlen++;
break;
case '[':
/* scan for ending `]', skipping over embedded [:...:] */
bracklen = 1;
c = *pat++;
do
{
if (c == 0)
{
pat--; /* back up to NUL */
matlen += bracklen;
goto bad_bracket;
}
else if (c == '\\')
{
/* *pat == backslash-escaped character */
bracklen++;
/* If the backslash or backslash-escape ends the string,
bail. The ++pat skips over the backslash escape */
if (*pat == 0 || *++pat == 0)
{
matlen += bracklen;
goto bad_bracket;
}
}
else if (c == '[' && *pat == ':') /* character class */
{
pat++;
bracklen++;
in_cclass = 1;
}
else if (in_cclass && c == ':' && *pat == ']')
{
pat++;
bracklen++;
in_cclass = 0;
}
else if (c == '[' && *pat == '.') /* collating symbol */
{
pat++;
bracklen++;
if (*pat == ']') /* right bracket can appear as collating symbol */
{
pat++;
bracklen++;
}
in_collsym = 1;
}
else if (in_collsym && c == '.' && *pat == ']')
{
pat++;
bracklen++;
in_collsym = 0;
}
else if (c == '[' && *pat == '=') /* equivalence class */
{
pat++;
bracklen++;
if (*pat == ']') /* right bracket can appear as equivalence class */
{
pat++;
bracklen++;
}
in_equiv = 1;
}
else if (in_equiv && c == '=' && *pat == ']')
{
pat++;
bracklen++;
in_equiv = 0;
}
else
bracklen++;
}
while ((c = *pat++) != ']');
matlen++; /* bracket expression can only match one char */
bad_bracket:
break;
}
}
return matlen;
}
-772
View File
@@ -1,772 +0,0 @@
/* Copyright (C) 1991-2006 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Bash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Bash. If not, see <http://www.gnu.org/licenses/>.
*/
int FCT __P((CHAR *, CHAR *, int));
static int GMATCH __P((CHAR *, CHAR *, CHAR *, CHAR *, int));
static CHAR *PARSE_COLLSYM __P((CHAR *, INT *));
static CHAR *BRACKMATCH __P((CHAR *, U_CHAR, int));
static int EXTMATCH __P((INT, CHAR *, CHAR *, CHAR *, CHAR *, int));
static CHAR *PATSCAN __P((CHAR *, CHAR *, INT));
int
FCT (pattern, string, flags)
CHAR *pattern;
CHAR *string;
int flags;
{
CHAR *se, *pe;
if (string == 0 || pattern == 0)
return FNM_NOMATCH;
se = string + STRLEN ((XCHAR *)string);
pe = pattern + STRLEN ((XCHAR *)pattern);
return (GMATCH (string, se, pattern, pe, flags));
}
/* Match STRING against the filename pattern PATTERN, returning zero if
it matches, FNM_NOMATCH if not. */
static int
GMATCH (string, se, pattern, pe, flags)
CHAR *string, *se;
CHAR *pattern, *pe;
int flags;
{
CHAR *p, *n; /* pattern, string */
INT c; /* current pattern character - XXX U_CHAR? */
INT sc; /* current string character - XXX U_CHAR? */
p = pattern;
n = string;
if (string == 0 || pattern == 0)
return FNM_NOMATCH;
#if DEBUG_MATCHING
fprintf(stderr, "gmatch: string = %s; se = %s\n", string, se);
fprintf(stderr, "gmatch: pattern = %s; pe = %s\n", pattern, pe);
#endif
while (p < pe)
{
c = *p++;
c = FOLD (c);
sc = n < se ? *n : '\0';
#ifdef EXTENDED_GLOB
/* EXTMATCH () will handle recursively calling GMATCH, so we can
just return what EXTMATCH() returns. */
if ((flags & FNM_EXTMATCH) && *p == L('(') &&
(c == L('+') || c == L('*') || c == L('?') || c == L('@') || c == L('!'))) /* ) */
{
int lflags;
/* If we're not matching the start of the string, we're not
concerned about the special cases for matching `.' */
lflags = (n == string) ? flags : (flags & ~FNM_PERIOD);
return (EXTMATCH (c, n, se, p, pe, lflags));
}
#endif /* EXTENDED_GLOB */
switch (c)
{
case L('?'): /* Match single character */
if (sc == '\0')
return FNM_NOMATCH;
else if ((flags & FNM_PATHNAME) && sc == L('/'))
/* If we are matching a pathname, `?' can never match a `/'. */
return FNM_NOMATCH;
else if ((flags & FNM_PERIOD) && sc == L('.') &&
(n == string || ((flags & FNM_PATHNAME) && n[-1] == L('/'))))
/* `?' cannot match a `.' if it is the first character of the
string or if it is the first character following a slash and
we are matching a pathname. */
return FNM_NOMATCH;
break;
case L('\\'): /* backslash escape removes special meaning */
if (p == pe)
return FNM_NOMATCH;
if ((flags & FNM_NOESCAPE) == 0)
{
c = *p++;
/* A trailing `\' cannot match. */
if (p > pe)
return FNM_NOMATCH;
c = FOLD (c);
}
if (FOLD (sc) != (U_CHAR)c)
return FNM_NOMATCH;
break;
case '*': /* Match zero or more characters */
if (p == pe)
return 0;
if ((flags & FNM_PERIOD) && sc == L('.') &&
(n == string || ((flags & FNM_PATHNAME) && n[-1] == L('/'))))
/* `*' cannot match a `.' if it is the first character of the
string or if it is the first character following a slash and
we are matching a pathname. */
return FNM_NOMATCH;
/* Collapse multiple consecutive `*' and `?', but make sure that
one character of the string is consumed for each `?'. */
for (c = *p++; (c == L('?') || c == L('*')); c = *p++)
{
if ((flags & FNM_PATHNAME) && sc == L('/'))
/* A slash does not match a wildcard under FNM_PATHNAME. */
return FNM_NOMATCH;
#ifdef EXTENDED_GLOB
else if ((flags & FNM_EXTMATCH) && c == L('?') && *p == L('(')) /* ) */
{
CHAR *newn;
for (newn = n; newn < se; ++newn)
{
if (EXTMATCH (c, newn, se, p, pe, flags) == 0)
return (0);
}
/* We didn't match. If we have a `?(...)', that's failure. */
return FNM_NOMATCH;
}
#endif
else if (c == L('?'))
{
if (sc == L('\0'))
return FNM_NOMATCH;
/* One character of the string is consumed in matching
this ? wildcard, so *??? won't match if there are
fewer than three characters. */
n++;
sc = n < se ? *n : '\0';
}
#ifdef EXTENDED_GLOB
/* Handle ******(patlist) */
if ((flags & FNM_EXTMATCH) && c == L('*') && *p == L('(')) /*)*/
{
CHAR *newn;
/* We need to check whether or not the extended glob
pattern matches the remainder of the string.
If it does, we match the entire pattern. */
for (newn = n; newn < se; ++newn)
{
if (EXTMATCH (c, newn, se, p, pe, flags) == 0)
return (0);
}
/* We didn't match the extended glob pattern, but
that's OK, since we can match 0 or more occurrences.
We need to skip the glob pattern and see if we
match the rest of the string. */
newn = PATSCAN (p + 1, pe, 0);
/* If NEWN is 0, we have an ill-formed pattern. */
p = newn ? newn : pe;
}
#endif
if (p == pe)
break;
}
/* If we've hit the end of the pattern and the last character of
the pattern was handled by the loop above, we've succeeded.
Otherwise, we need to match that last character. */
if (p == pe && (c == L('?') || c == L('*')))
return (0);
/* General case, use recursion. */
{
U_CHAR c1;
c1 = ((flags & FNM_NOESCAPE) == 0 && c == L('\\')) ? *p : c;
c1 = FOLD (c1);
for (--p; n < se; ++n)
{
/* Only call strmatch if the first character indicates a
possible match. We can check the first character if
we're not doing an extended glob match. */
if ((flags & FNM_EXTMATCH) == 0 && c != L('[') && FOLD (*n) != c1) /*]*/
continue;
/* If we're doing an extended glob match and the pattern is not
one of the extended glob patterns, we can check the first
character. */
if ((flags & FNM_EXTMATCH) && p[1] != L('(') && /*)*/
STRCHR (L("?*+@!"), *p) == 0 && c != L('[') && FOLD (*n) != c1) /*]*/
continue;
/* Otherwise, we just recurse. */
if (GMATCH (n, se, p, pe, flags & ~FNM_PERIOD) == 0)
return (0);
}
return FNM_NOMATCH;
}
case L('['):
{
if (sc == L('\0') || n == se)
return FNM_NOMATCH;
/* A character class cannot match a `.' if it is the first
character of the string or if it is the first character
following a slash and we are matching a pathname. */
if ((flags & FNM_PERIOD) && sc == L('.') &&
(n == string || ((flags & FNM_PATHNAME) && n[-1] == L('/'))))
return (FNM_NOMATCH);
p = BRACKMATCH (p, sc, flags);
if (p == 0)
return FNM_NOMATCH;
}
break;
default:
if ((U_CHAR)c != FOLD (sc))
return (FNM_NOMATCH);
}
++n;
}
if (n == se)
return (0);
if ((flags & FNM_LEADING_DIR) && *n == L('/'))
/* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */
return 0;
return (FNM_NOMATCH);
}
/* Parse a bracket expression collating symbol ([.sym.]) starting at P, find
the value of the symbol, and move P past the collating symbol expression.
The value is returned in *VP, if VP is not null. */
static CHAR *
PARSE_COLLSYM (p, vp)
CHAR *p;
INT *vp;
{
register int pc;
INT val;
p++; /* move past the `.' */
for (pc = 0; p[pc]; pc++)
if (p[pc] == L('.') && p[pc+1] == L(']'))
break;
val = COLLSYM (p, pc);
if (vp)
*vp = val;
return (p + pc + 2);
}
/* Use prototype definition here because of type promotion. */
static CHAR *
#if defined (PROTOTYPES)
BRACKMATCH (CHAR *p, U_CHAR test, int flags)
#else
BRACKMATCH (p, test, flags)
CHAR *p;
U_CHAR test;
int flags;
#endif
{
register CHAR cstart, cend, c;
register int not; /* Nonzero if the sense of the character class is inverted. */
int brcnt, forcecoll;;
INT pc;
CHAR *savep;
test = FOLD (test);
savep = p;
/* POSIX.2 3.13.1 says that an exclamation mark (`!') shall replace the
circumflex (`^') in its role in a `nonmatching list'. A bracket
expression starting with an unquoted circumflex character produces
unspecified results. This implementation treats the two identically. */
if (not = (*p == L('!') || *p == L('^')))
++p;
c = *p++;
for (;;)
{
/* Initialize cstart and cend in case `-' is the last
character of the pattern. */
cstart = cend = c;
forcecoll = 0;
/* POSIX.2 equivalence class: [=c=]. See POSIX.2 2.8.3.2. Find
the end of the equivalence class, move the pattern pointer past
it, and check for equivalence. XXX - this handles only
single-character equivalence classes, which is wrong, or at
least incomplete. */
if (c == L('[') && *p == L('=') && p[2] == L('=') && p[3] == L(']'))
{
pc = FOLD (p[1]);
p += 4;
if (COLLEQUIV (test, pc))
{
/*[*/ /* Move past the closing `]', since the first thing we do at
the `matched:' label is back p up one. */
p++;
goto matched;
}
else
{
c = *p++;
if (c == L('\0'))
return ((test == L('[')) ? savep : (CHAR *)0); /*]*/
c = FOLD (c);
continue;
}
}
/* POSIX.2 character class expression. See POSIX.2 2.8.3.2. */
if (c == L('[') && *p == L(':'))
{
CHAR *close, *ccname;
pc = 0; /* make sure invalid char classes don't match. */
/* Find end of character class name */
for (close = p + 1; *close != '\0'; close++)
if (*close == L(':') && *(close+1) == L(']'))
break;
if (*close != L('\0'))
{
ccname = (CHAR *)malloc ((close - p) * sizeof (CHAR));
if (ccname == 0)
pc = 0;
else
{
bcopy (p + 1, ccname, (close - p - 1) * sizeof (CHAR));
*(ccname + (close - p - 1)) = L('\0');
pc = IS_CCLASS (test, (XCHAR *)ccname);
}
if (pc == -1)
pc = 0;
else
p = close + 2;
free (ccname);
}
if (pc)
{
/*[*/ /* Move past the closing `]', since the first thing we do at
the `matched:' label is back p up one. */
p++;
goto matched;
}
else
{
/* continue the loop here, since this expression can't be
the first part of a range expression. */
c = *p++;
if (c == L('\0'))
return ((test == L('[')) ? savep : (CHAR *)0);
else if (c == L(']'))
break;
c = FOLD (c);
continue;
}
}
/* POSIX.2 collating symbols. See POSIX.2 2.8.3.2. Find the end of
the symbol name, make sure it is terminated by `.]', translate
the name to a character using the external table, and do the
comparison. */
if (c == L('[') && *p == L('.'))
{
p = PARSE_COLLSYM (p, &pc);
/* An invalid collating symbol cannot be the first point of a
range. If it is, we set cstart to one greater than `test',
so any comparisons later will fail. */
cstart = (pc == INVALID) ? test + 1 : pc;
forcecoll = 1;
}
if (!(flags & FNM_NOESCAPE) && c == L('\\'))
{
if (*p == '\0')
return (CHAR *)0;
cstart = cend = *p++;
}
cstart = cend = FOLD (cstart);
/* POSIX.2 2.8.3.1.2 says: `An expression containing a `[' that
is not preceded by a backslash and is not part of a bracket
expression produces undefined results.' This implementation
treats the `[' as just a character to be matched if there is
not a closing `]'. */
if (c == L('\0'))
return ((test == L('[')) ? savep : (CHAR *)0);
c = *p++;
c = FOLD (c);
if ((flags & FNM_PATHNAME) && c == L('/'))
/* [/] can never match when matching a pathname. */
return (CHAR *)0;
/* This introduces a range, unless the `-' is the last
character of the class. Find the end of the range
and move past it. */
if (c == L('-') && *p != L(']'))
{
cend = *p++;
if (!(flags & FNM_NOESCAPE) && cend == L('\\'))
cend = *p++;
if (cend == L('\0'))
return (CHAR *)0;
if (cend == L('[') && *p == L('.'))
{
p = PARSE_COLLSYM (p, &pc);
/* An invalid collating symbol cannot be the second part of a
range expression. If we get one, we set cend to one fewer
than the test character to make sure the range test fails. */
cend = (pc == INVALID) ? test - 1 : pc;
forcecoll = 1;
}
cend = FOLD (cend);
c = *p++;
/* POSIX.2 2.8.3.2: ``The ending range point shall collate
equal to or higher than the starting range point; otherwise
the expression shall be treated as invalid.'' Note that this
applies to only the range expression; the rest of the bracket
expression is still checked for matches. */
if (RANGECMP (cstart, cend, forcecoll) > 0)
{
if (c == L(']'))
break;
c = FOLD (c);
continue;
}
}
if (RANGECMP (test, cstart, forcecoll) >= 0 && RANGECMP (test, cend, forcecoll) <= 0)
goto matched;
if (c == L(']'))
break;
}
/* No match. */
return (!not ? (CHAR *)0 : p);
matched:
/* Skip the rest of the [...] that already matched. */
c = *--p;
brcnt = 1;
while (brcnt > 0)
{
/* A `[' without a matching `]' is just another character to match. */
if (c == L('\0'))
return ((test == L('[')) ? savep : (CHAR *)0);
c = *p++;
if (c == L('[') && (*p == L('=') || *p == L(':') || *p == L('.')))
brcnt++;
else if (c == L(']'))
brcnt--;
else if (!(flags & FNM_NOESCAPE) && c == L('\\'))
{
if (*p == '\0')
return (CHAR *)0;
/* XXX 1003.2d11 is unclear if this is right. */
++p;
}
}
return (not ? (CHAR *)0 : p);
}
#if defined (EXTENDED_GLOB)
/* ksh-like extended pattern matching:
[?*+@!](pat-list)
where pat-list is a list of one or patterns separated by `|'. Operation
is as follows:
?(patlist) match zero or one of the given patterns
*(patlist) match zero or more of the given patterns
+(patlist) match one or more of the given patterns
@(patlist) match exactly one of the given patterns
!(patlist) match anything except one of the given patterns
*/
/* Scan a pattern starting at STRING and ending at END, keeping track of
embedded () and []. If DELIM is 0, we scan until a matching `)'
because we're scanning a `patlist'. Otherwise, we scan until we see
DELIM. In all cases, we never scan past END. The return value is the
first character after the matching DELIM. */
static CHAR *
PATSCAN (string, end, delim)
CHAR *string, *end;
INT delim;
{
int pnest, bnest, skip;
INT cchar;
CHAR *s, c, *bfirst;
pnest = bnest = skip = 0;
cchar = 0;
bfirst = NULL;
for (s = string; c = *s; s++)
{
if (s >= end)
return (s);
if (skip)
{
skip = 0;
continue;
}
switch (c)
{
case L('\\'):
skip = 1;
break;
case L('\0'):
return ((CHAR *)NULL);
/* `[' is not special inside a bracket expression, but it may
introduce one of the special POSIX bracket expressions
([.SYM.], [=c=], [: ... :]) that needs special handling. */
case L('['):
if (bnest == 0)
{
bfirst = s + 1;
if (*bfirst == L('!') || *bfirst == L('^'))
bfirst++;
bnest++;
}
else if (s[1] == L(':') || s[1] == L('.') || s[1] == L('='))
cchar = s[1];
break;
/* `]' is not special if it's the first char (after a leading `!'
or `^') in a bracket expression or if it's part of one of the
special POSIX bracket expressions ([.SYM.], [=c=], [: ... :]) */
case L(']'):
if (bnest)
{
if (cchar && s[-1] == cchar)
cchar = 0;
else if (s != bfirst)
{
bnest--;
bfirst = 0;
}
}
break;
case L('('):
if (bnest == 0)
pnest++;
break;
case L(')'):
if (bnest == 0 && pnest-- <= 0)
return ++s;
break;
case L('|'):
if (bnest == 0 && pnest == 0 && delim == L('|'))
return ++s;
break;
}
}
return (NULL);
}
/* Return 0 if dequoted pattern matches S in the current locale. */
static int
STRCOMPARE (p, pe, s, se)
CHAR *p, *pe, *s, *se;
{
int ret;
CHAR c1, c2;
c1 = *pe;
c2 = *se;
*pe = *se = '\0';
#if HAVE_MULTIBYTE || defined (HAVE_STRCOLL)
ret = STRCOLL ((XCHAR *)p, (XCHAR *)s);
#else
ret = STRCMP ((XCHAR *)p, (XCHAR *)s);
#endif
*pe = c1;
*se = c2;
return (ret == 0 ? ret : FNM_NOMATCH);
}
/* Match a ksh extended pattern specifier. Return FNM_NOMATCH on failure or
0 on success. This is handed the entire rest of the pattern and string
the first time an extended pattern specifier is encountered, so it calls
gmatch recursively. */
static int
EXTMATCH (xc, s, se, p, pe, flags)
INT xc; /* select which operation */
CHAR *s, *se;
CHAR *p, *pe;
int flags;
{
CHAR *prest; /* pointer to rest of pattern */
CHAR *psub; /* pointer to sub-pattern */
CHAR *pnext; /* pointer to next sub-pattern */
CHAR *srest; /* pointer to rest of string */
int m1, m2, xflags; /* xflags = flags passed to recursive matches */
#if DEBUG_MATCHING
fprintf(stderr, "extmatch: xc = %c\n", xc);
fprintf(stderr, "extmatch: s = %s; se = %s\n", s, se);
fprintf(stderr, "extmatch: p = %s; pe = %s\n", p, pe);
fprintf(stderr, "extmatch: flags = %d\n", flags);
#endif
prest = PATSCAN (p + (*p == L('(')), pe, 0); /* ) */
if (prest == 0)
/* If PREST is 0, we failed to scan a valid pattern. In this
case, we just want to compare the two as strings. */
return (STRCOMPARE (p - 1, pe, s, se));
switch (xc)
{
case L('+'): /* match one or more occurrences */
case L('*'): /* match zero or more occurrences */
/* If we can get away with no matches, don't even bother. Just
call GMATCH on the rest of the pattern and return success if
it succeeds. */
if (xc == L('*') && (GMATCH (s, se, prest, pe, flags) == 0))
return 0;
/* OK, we have to do this the hard way. First, we make sure one of
the subpatterns matches, then we try to match the rest of the
string. */
for (psub = p + 1; ; psub = pnext)
{
pnext = PATSCAN (psub, pe, L('|'));
for (srest = s; srest <= se; srest++)
{
/* Match this substring (S -> SREST) against this
subpattern (psub -> pnext - 1) */
m1 = GMATCH (s, srest, psub, pnext - 1, flags) == 0;
/* OK, we matched a subpattern, so make sure the rest of the
string matches the rest of the pattern. Also handle
multiple matches of the pattern. */
if (m1)
{
/* if srest > s, we are not at start of string */
xflags = (srest > s) ? (flags & ~FNM_PERIOD) : flags;
m2 = (GMATCH (srest, se, prest, pe, xflags) == 0) ||
(s != srest && GMATCH (srest, se, p - 1, pe, xflags) == 0);
}
if (m1 && m2)
return (0);
}
if (pnext == prest)
break;
}
return (FNM_NOMATCH);
case L('?'): /* match zero or one of the patterns */
case L('@'): /* match one (or more) of the patterns */
/* If we can get away with no matches, don't even bother. Just
call gmatch on the rest of the pattern and return success if
it succeeds. */
if (xc == L('?') && (GMATCH (s, se, prest, pe, flags) == 0))
return 0;
/* OK, we have to do this the hard way. First, we see if one of
the subpatterns matches, then, if it does, we try to match the
rest of the string. */
for (psub = p + 1; ; psub = pnext)
{
pnext = PATSCAN (psub, pe, L('|'));
srest = (prest == pe) ? se : s;
for ( ; srest <= se; srest++)
{
/* if srest > s, we are not at start of string */
xflags = (srest > s) ? (flags & ~FNM_PERIOD) : flags;
if (GMATCH (s, srest, psub, pnext - 1, flags) == 0 &&
GMATCH (srest, se, prest, pe, xflags) == 0)
return (0);
}
if (pnext == prest)
break;
}
return (FNM_NOMATCH);
case '!': /* match anything *except* one of the patterns */
for (srest = s; srest <= se; srest++)
{
m1 = 0;
for (psub = p + 1; ; psub = pnext)
{
pnext = PATSCAN (psub, pe, L('|'));
/* If one of the patterns matches, just bail immediately. */
if (m1 = (GMATCH (s, srest, psub, pnext - 1, flags) == 0))
break;
if (pnext == prest)
break;
}
/* if srest > s, we are not at start of string */
xflags = (srest > s) ? (flags & ~FNM_PERIOD) : flags;
if (m1 == 0 && GMATCH (srest, se, prest, pe, xflags) == 0)
return (0);
}
return (FNM_NOMATCH);
}
return (FNM_NOMATCH);
}
#endif /* EXTENDED_GLOB */
#undef IS_CCLASS
#undef FOLD
#undef CHAR
#undef U_CHAR
#undef XCHAR
#undef INT
#undef INVALID
#undef FCT
#undef GMATCH
#undef COLLSYM
#undef PARSE_COLLSYM
#undef PATSCAN
#undef STRCOMPARE
#undef EXTMATCH
#undef BRACKMATCH
#undef STRCHR
#undef STRCOLL
#undef STRLEN
#undef STRCMP
#undef COLLEQUIV
#undef RANGECMP
#undef L
-409
View File
@@ -1,409 +0,0 @@
/* strmatch.c -- ksh-like extended pattern matching for the shell and filename
globbing. */
/* Copyright (C) 1991-2011 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Bash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Bash. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdio.h> /* for debugging */
#include "strmatch.h"
#include <chartypes.h>
#include "bashansi.h"
#include "shmbutil.h"
#include "xmalloc.h"
/* First, compile `sm_loop.c' for single-byte characters. */
#define CHAR unsigned char
#define U_CHAR unsigned char
#define XCHAR char
#define INT int
#define L(CS) CS
#define INVALID -1
#undef STREQ
#undef STREQN
#define STREQ(a, b) ((a)[0] == (b)[0] && strcmp(a, b) == 0)
#define STREQN(a, b, n) ((a)[0] == (b)[0] && strncmp(a, b, n) == 0)
int glob_asciirange = 0;
/* We use strcoll(3) for range comparisons in bracket expressions,
even though it can have unwanted side effects in locales
other than POSIX or US. For instance, in the de locale, [A-Z] matches
all characters. */
#if defined (HAVE_STRCOLL)
/* Helper function for collating symbol equivalence. */
static int
rangecmp (c1, c2, forcecoll)
int c1, c2;
int forcecoll;
{
static char s1[2] = { ' ', '\0' };
static char s2[2] = { ' ', '\0' };
int ret;
/* Eight bits only. Period. */
c1 &= 0xFF;
c2 &= 0xFF;
if (c1 == c2)
return (0);
if (forcecoll == 0 && glob_asciirange)
return (c1 - c2);
s1[0] = c1;
s2[0] = c2;
if ((ret = strcoll (s1, s2)) != 0)
return ret;
return (c1 - c2);
}
#else /* !HAVE_STRCOLL */
# define rangecmp(c1, c2, f) ((int)(c1) - (int)(c2))
#endif /* !HAVE_STRCOLL */
#if defined (HAVE_STRCOLL)
static int
collequiv (c1, c2)
int c1, c2;
{
return (rangecmp (c1, c2, 1) == 0);
}
#else
# define collequiv(c1, c2) ((c1) == (c2))
#endif
#define _COLLSYM _collsym
#define __COLLSYM __collsym
#define POSIXCOLL posix_collsyms
#include "collsyms.h"
static int
collsym (s, len)
CHAR *s;
int len;
{
register struct _collsym *csp;
char *x;
x = (char *)s;
for (csp = posix_collsyms; csp->name; csp++)
{
if (STREQN(csp->name, x, len) && csp->name[len] == '\0')
return (csp->code);
}
if (len == 1)
return s[0];
return INVALID;
}
/* unibyte character classification */
#if !defined (isascii) && !defined (HAVE_ISASCII)
# define isascii(c) ((unsigned int)(c) <= 0177)
#endif
enum char_class
{
CC_NO_CLASS = 0,
CC_ASCII, CC_ALNUM, CC_ALPHA, CC_BLANK, CC_CNTRL, CC_DIGIT, CC_GRAPH,
CC_LOWER, CC_PRINT, CC_PUNCT, CC_SPACE, CC_UPPER, CC_WORD, CC_XDIGIT
};
static char const *const cclass_name[] =
{
"",
"ascii", "alnum", "alpha", "blank", "cntrl", "digit", "graph",
"lower", "print", "punct", "space", "upper", "word", "xdigit"
};
#define N_CHAR_CLASS (sizeof(cclass_name) / sizeof (cclass_name[0]))
static int
is_cclass (c, name)
int c;
const char *name;
{
enum char_class char_class = CC_NO_CLASS;
int i, result;
for (i = 1; i < N_CHAR_CLASS; i++)
{
if (STREQ (name, cclass_name[i]))
{
char_class = (enum char_class)i;
break;
}
}
if (char_class == 0)
return -1;
switch (char_class)
{
case CC_ASCII:
result = isascii (c);
break;
case CC_ALNUM:
result = ISALNUM (c);
break;
case CC_ALPHA:
result = ISALPHA (c);
break;
case CC_BLANK:
result = ISBLANK (c);
break;
case CC_CNTRL:
result = ISCNTRL (c);
break;
case CC_DIGIT:
result = ISDIGIT (c);
break;
case CC_GRAPH:
result = ISGRAPH (c);
break;
case CC_LOWER:
result = ISLOWER (c);
break;
case CC_PRINT:
result = ISPRINT (c);
break;
case CC_PUNCT:
result = ISPUNCT (c);
break;
case CC_SPACE:
result = ISSPACE (c);
break;
case CC_UPPER:
result = ISUPPER (c);
break;
case CC_WORD:
result = (ISALNUM (c) || c == '_');
break;
case CC_XDIGIT:
result = ISXDIGIT (c);
break;
default:
result = -1;
break;
}
return result;
}
/* Now include `sm_loop.c' for single-byte characters. */
/* The result of FOLD is an `unsigned char' */
# define FOLD(c) ((flags & FNM_CASEFOLD) \
? TOLOWER ((unsigned char)c) \
: ((unsigned char)c))
#define FCT internal_strmatch
#define GMATCH gmatch
#define COLLSYM collsym
#define PARSE_COLLSYM parse_collsym
#define BRACKMATCH brackmatch
#define PATSCAN patscan
#define STRCOMPARE strcompare
#define EXTMATCH extmatch
#define STRCHR(S, C) strchr((S), (C))
#define STRCOLL(S1, S2) strcoll((S1), (S2))
#define STRLEN(S) strlen(S)
#define STRCMP(S1, S2) strcmp((S1), (S2))
#define RANGECMP(C1, C2, F) rangecmp((C1), (C2), (F))
#define COLLEQUIV(C1, C2) collequiv((C1), (C2))
#define CTYPE_T enum char_class
#define IS_CCLASS(C, S) is_cclass((C), (S))
#include "sm_loop.c"
#if HANDLE_MULTIBYTE
# define CHAR wchar_t
# define U_CHAR wint_t
# define XCHAR wchar_t
# define INT wint_t
# define L(CS) L##CS
# define INVALID WEOF
# undef STREQ
# undef STREQN
# define STREQ(s1, s2) ((wcscmp (s1, s2) == 0))
# define STREQN(a, b, n) ((a)[0] == (b)[0] && wcsncmp(a, b, n) == 0)
extern char *mbsmbchar __P((const char *));
static int
rangecmp_wc (c1, c2, forcecoll)
wint_t c1, c2;
int forcecoll;
{
static wchar_t s1[2] = { L' ', L'\0' };
static wchar_t s2[2] = { L' ', L'\0' };
if (c1 == c2)
return 0;
if (forcecoll == 0 && glob_asciirange && c1 <= UCHAR_MAX && c2 <= UCHAR_MAX)
return ((int)(c1 - c2));
s1[0] = c1;
s2[0] = c2;
return (wcscoll (s1, s2));
}
static int
collequiv_wc (c, equiv)
wint_t c, equiv;
{
return (c == equiv);
}
/* Helper function for collating symbol. */
# define _COLLSYM _collwcsym
# define __COLLSYM __collwcsym
# define POSIXCOLL posix_collwcsyms
# include "collsyms.h"
static wint_t
collwcsym (s, len)
wchar_t *s;
int len;
{
register struct _collwcsym *csp;
for (csp = posix_collwcsyms; csp->name; csp++)
{
if (STREQN(csp->name, s, len) && csp->name[len] == L'\0')
return (csp->code);
}
if (len == 1)
return s[0];
return INVALID;
}
static int
is_wcclass (wc, name)
wint_t wc;
wchar_t *name;
{
char *mbs;
mbstate_t state;
size_t mbslength;
wctype_t desc;
int want_word;
if ((wctype ("ascii") == (wctype_t)0) && (wcscmp (name, L"ascii") == 0))
{
int c;
if ((c = wctob (wc)) == EOF)
return 0;
else
return (c <= 0x7F);
}
want_word = (wcscmp (name, L"word") == 0);
if (want_word)
name = L"alnum";
memset (&state, '\0', sizeof (mbstate_t));
mbs = (char *) malloc (wcslen(name) * MB_CUR_MAX + 1);
mbslength = wcsrtombs (mbs, (const wchar_t **)&name, (wcslen(name) * MB_CUR_MAX + 1), &state);
if (mbslength == (size_t)-1 || mbslength == (size_t)-2)
{
free (mbs);
return -1;
}
desc = wctype (mbs);
free (mbs);
if (desc == (wctype_t)0)
return -1;
if (want_word)
return (iswctype (wc, desc) || wc == L'_');
else
return (iswctype (wc, desc));
}
/* Now include `sm_loop.c' for multibyte characters. */
#define FOLD(c) ((flags & FNM_CASEFOLD) && iswupper (c) ? towlower (c) : (c))
#define FCT internal_wstrmatch
#define GMATCH gmatch_wc
#define COLLSYM collwcsym
#define PARSE_COLLSYM parse_collwcsym
#define BRACKMATCH brackmatch_wc
#define PATSCAN patscan_wc
#define STRCOMPARE wscompare
#define EXTMATCH extmatch_wc
#define STRCHR(S, C) wcschr((S), (C))
#define STRCOLL(S1, S2) wcscoll((S1), (S2))
#define STRLEN(S) wcslen(S)
#define STRCMP(S1, S2) wcscmp((S1), (S2))
#define RANGECMP(C1, C2, F) rangecmp_wc((C1), (C2), (F))
#define COLLEQUIV(C1, C2) collequiv_wc((C1), (C2))
#define CTYPE_T enum char_class
#define IS_CCLASS(C, S) is_wcclass((C), (S))
#include "sm_loop.c"
#endif /* HAVE_MULTIBYTE */
int
xstrmatch (pattern, string, flags)
char *pattern;
char *string;
int flags;
{
#if HANDLE_MULTIBYTE
int ret;
size_t n;
wchar_t *wpattern, *wstring;
size_t plen, slen, mplen, mslen;
if (mbsmbchar (string) == 0 && mbsmbchar (pattern) == 0)
return (internal_strmatch ((unsigned char *)pattern, (unsigned char *)string, flags));
if (MB_CUR_MAX == 1)
return (internal_strmatch ((unsigned char *)pattern, (unsigned char *)string, flags));
n = xdupmbstowcs (&wpattern, NULL, pattern);
if (n == (size_t)-1 || n == (size_t)-2)
return (internal_strmatch ((unsigned char *)pattern, (unsigned char *)string, flags));
n = xdupmbstowcs (&wstring, NULL, string);
if (n == (size_t)-1 || n == (size_t)-2)
{
free (wpattern);
return (internal_strmatch ((unsigned char *)pattern, (unsigned char *)string, flags));
}
ret = internal_wstrmatch (wpattern, wstring, flags);
free (wpattern);
free (wstring);
return ret;
#else
return (internal_strmatch ((unsigned char *)pattern, (unsigned char *)string, flags));
#endif /* !HANDLE_MULTIBYTE */
}
-507
View File
@@ -1,507 +0,0 @@
/* rlprivate.h -- functions and variables global to the readline library,
but not intended for use by applications. */
/* Copyright (C) 1999-2010 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
Readline is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Readline is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Readline. If not, see <http://www.gnu.org/licenses/>.
*/
#if !defined (_RL_PRIVATE_H_)
#define _RL_PRIVATE_H_
#include "rlconf.h" /* for VISIBLE_STATS */
#include "rlstdc.h"
#include "posixjmp.h" /* defines procenv_t */
/*************************************************************************
* *
* Convenience definitions *
* *
*************************************************************************/
#define EMACS_MODE() (rl_editing_mode == emacs_mode)
#define VI_COMMAND_MODE() (rl_editing_mode == vi_mode && _rl_keymap == vi_movement_keymap)
#define VI_INSERT_MODE() (rl_editing_mode == vi_mode && _rl_keymap == vi_insertion_keymap)
#define RL_CHECK_SIGNALS() \
do { \
if (_rl_caught_signal) _rl_signal_handler (_rl_caught_signal); \
} while (0)
/*************************************************************************
* *
* Global structs undocumented in texinfo manual and not in readline.h *
* *
*************************************************************************/
/* search types */
#define RL_SEARCH_ISEARCH 0x01 /* incremental search */
#define RL_SEARCH_NSEARCH 0x02 /* non-incremental search */
#define RL_SEARCH_CSEARCH 0x04 /* intra-line char search */
/* search flags */
#define SF_REVERSE 0x01
#define SF_FOUND 0x02
#define SF_FAILED 0x04
#define SF_CHGKMAP 0x08
typedef struct __rl_search_context
{
int type;
int sflags;
char *search_string;
int search_string_index;
int search_string_size;
char **lines;
char *allocated_line;
int hlen;
int hindex;
int save_point;
int save_mark;
int save_line;
int last_found_line;
char *prev_line_found;
UNDO_LIST *save_undo_list;
Keymap keymap; /* used when dispatching commands in search string */
Keymap okeymap; /* original keymap */
int history_pos;
int direction;
int lastc;
#if defined (HANDLE_MULTIBYTE)
char mb[MB_LEN_MAX];
#endif
char *sline;
int sline_len;
int sline_index;
char *search_terminators;
} _rl_search_cxt;
/* Callback data for reading numeric arguments */
#define NUM_SAWMINUS 0x01
#define NUM_SAWDIGITS 0x02
#define NUM_READONE 0x04
typedef int _rl_arg_cxt;
/* A context for reading key sequences longer than a single character when
using the callback interface. */
#define KSEQ_DISPATCHED 0x01
#define KSEQ_SUBSEQ 0x02
#define KSEQ_RECURSIVE 0x04
typedef struct __rl_keyseq_context
{
int flags;
int subseq_arg;
int subseq_retval; /* XXX */
Keymap dmap;
Keymap oldmap;
int okey;
struct __rl_keyseq_context *ocxt;
int childval;
} _rl_keyseq_cxt;
/* vi-mode commands that use result of motion command to define boundaries */
#define VIM_DELETE 0x01
#define VIM_CHANGE 0x02
#define VIM_YANK 0x04
/* various states for vi-mode commands that use motion commands. reflects
RL_READLINE_STATE */
#define VMSTATE_READ 0x01
#define VMSTATE_NUMARG 0x02
typedef struct __rl_vimotion_context
{
int op;
int state;
int flags; /* reserved */
_rl_arg_cxt ncxt;
int numeric_arg;
int start, end; /* rl_point, rl_end */
int key, motion; /* initial key, motion command */
} _rl_vimotion_cxt;
/* fill in more as needed */
/* `Generic' callback data and functions */
typedef struct __rl_callback_generic_arg
{
int count;
int i1, i2;
/* add here as needed */
} _rl_callback_generic_arg;
typedef int _rl_callback_func_t PARAMS((_rl_callback_generic_arg *));
/*************************************************************************
* *
* Global functions undocumented in texinfo manual and not in readline.h *
* *
*************************************************************************/
/*************************************************************************
* *
* Global variables undocumented in texinfo manual and not in readline.h *
* *
*************************************************************************/
/* complete.c */
extern int rl_complete_with_tilde_expansion;
#if defined (VISIBLE_STATS)
extern int rl_visible_stats;
#endif /* VISIBLE_STATS */
/* readline.c */
extern int rl_line_buffer_len;
extern int rl_arg_sign;
extern int rl_visible_prompt_length;
extern int rl_key_sequence_length;
extern int rl_byte_oriented;
/* display.c */
extern int rl_display_fixed;
/* parens.c */
extern int rl_blink_matching_paren;
/*************************************************************************
* *
* Global functions and variables unsed and undocumented *
* *
*************************************************************************/
/* kill.c */
extern int rl_set_retained_kills PARAMS((int));
/* terminal.c */
extern void _rl_set_screen_size PARAMS((int, int));
/* undo.c */
extern int _rl_fix_last_undo_of_type PARAMS((int, int, int));
/* util.c */
extern char *_rl_savestring PARAMS((const char *));
/*************************************************************************
* *
* Functions and variables private to the readline library *
* *
*************************************************************************/
/* NOTE: Functions and variables prefixed with `_rl_' are
pseudo-global: they are global so they can be shared
between files in the readline library, but are not intended
to be visible to readline callers. */
/*************************************************************************
* Undocumented private functions *
*************************************************************************/
#if defined(READLINE_CALLBACKS)
/* readline.c */
extern void readline_internal_setup PARAMS((void));
extern char *readline_internal_teardown PARAMS((int));
extern int readline_internal_char PARAMS((void));
extern _rl_keyseq_cxt *_rl_keyseq_cxt_alloc PARAMS((void));
extern void _rl_keyseq_cxt_dispose PARAMS((_rl_keyseq_cxt *));
extern void _rl_keyseq_chain_dispose PARAMS((void));
extern int _rl_dispatch_callback PARAMS((_rl_keyseq_cxt *));
/* callback.c */
extern _rl_callback_generic_arg *_rl_callback_data_alloc PARAMS((int));
extern void _rl_callback_data_dispose PARAMS((_rl_callback_generic_arg *));
#endif /* READLINE_CALLBACKS */
/* bind.c */
/* complete.c */
extern void _rl_reset_completion_state PARAMS((void));
extern char _rl_find_completion_word PARAMS((int *, int *));
extern void _rl_free_match_list PARAMS((char **));
/* display.c */
extern char *_rl_strip_prompt PARAMS((char *));
extern void _rl_move_cursor_relative PARAMS((int, const char *));
extern void _rl_move_vert PARAMS((int));
extern void _rl_save_prompt PARAMS((void));
extern void _rl_restore_prompt PARAMS((void));
extern char *_rl_make_prompt_for_search PARAMS((int));
extern void _rl_erase_at_end_of_line PARAMS((int));
extern void _rl_clear_to_eol PARAMS((int));
extern void _rl_clear_screen PARAMS((void));
extern void _rl_update_final PARAMS((void));
extern void _rl_redisplay_after_sigwinch PARAMS((void));
extern void _rl_clean_up_for_exit PARAMS((void));
extern void _rl_erase_entire_line PARAMS((void));
extern int _rl_current_display_line PARAMS((void));
/* input.c */
extern int _rl_any_typein PARAMS((void));
extern int _rl_input_available PARAMS((void));
extern int _rl_input_queued PARAMS((int));
extern void _rl_insert_typein PARAMS((int));
extern int _rl_unget_char PARAMS((int));
extern int _rl_pushed_input_available PARAMS((void));
/* isearch.c */
extern _rl_search_cxt *_rl_scxt_alloc PARAMS((int, int));
extern void _rl_scxt_dispose PARAMS((_rl_search_cxt *, int));
extern int _rl_isearch_dispatch PARAMS((_rl_search_cxt *, int));
extern int _rl_isearch_callback PARAMS((_rl_search_cxt *));
extern int _rl_search_getchar PARAMS((_rl_search_cxt *));
/* macro.c */
extern void _rl_with_macro_input PARAMS((char *));
extern int _rl_next_macro_key PARAMS((void));
extern void _rl_push_executing_macro PARAMS((void));
extern void _rl_pop_executing_macro PARAMS((void));
extern void _rl_add_macro_char PARAMS((int));
extern void _rl_kill_kbd_macro PARAMS((void));
/* misc.c */
extern int _rl_arg_overflow PARAMS((void));
extern void _rl_arg_init PARAMS((void));
extern int _rl_arg_getchar PARAMS((void));
extern int _rl_arg_callback PARAMS((_rl_arg_cxt));
extern void _rl_reset_argument PARAMS((void));
extern void _rl_start_using_history PARAMS((void));
extern int _rl_free_saved_history_line PARAMS((void));
extern void _rl_set_insert_mode PARAMS((int, int));
extern void _rl_revert_all_lines PARAMS((void));
/* nls.c */
extern int _rl_init_eightbit PARAMS((void));
/* parens.c */
extern void _rl_enable_paren_matching PARAMS((int));
/* readline.c */
extern void _rl_init_line_state PARAMS((void));
extern void _rl_set_the_line PARAMS((void));
extern int _rl_dispatch PARAMS((int, Keymap));
extern int _rl_dispatch_subseq PARAMS((int, Keymap, int));
extern void _rl_internal_char_cleanup PARAMS((void));
/* rltty.c */
extern int _rl_disable_tty_signals PARAMS((void));
extern int _rl_restore_tty_signals PARAMS((void));
/* search.c */
extern int _rl_nsearch_callback PARAMS((_rl_search_cxt *));
/* signals.c */
extern void _rl_signal_handler PARAMS((int));
extern void _rl_block_sigint PARAMS((void));
extern void _rl_release_sigint PARAMS((void));
extern void _rl_block_sigwinch PARAMS((void));
extern void _rl_release_sigwinch PARAMS((void));
/* terminal.c */
extern void _rl_get_screen_size PARAMS((int, int));
e
extern int _rl_init_terminal_io PARAMS((const char *));
#ifdef _MINIX
extern void _rl_output_character_function PARAMS((int));
#else
extern int _rl_output_character_function PARAMS((int));
#endif
extern void _rl_output_some_chars PARAMS((const char *, int));
extern int _rl_backspace PARAMS((int));
extern void _rl_enable_meta_key PARAMS((void));
extern void _rl_control_keypad PARAMS((int));
extern void _rl_set_cursor PARAMS((int, int));
/* text.c */
extern void _rl_fix_point PARAMS((int));
extern int _rl_replace_text PARAMS((const char *, int, int));
extern int _rl_forward_char_internal PARAMS((int));
extern int _rl_insert_char PARAMS((int, int));
extern int _rl_overwrite_char PARAMS((int, int));
extern int _rl_overwrite_rubout PARAMS((int, int));
extern int _rl_rubout_char PARAMS((int, int));
#if defined (HANDLE_MULTIBYTE)
extern int _rl_char_search_internal PARAMS((int, int, char *, int));
#else
extern int _rl_char_search_internal PARAMS((int, int, int));
#endif
extern int _rl_set_mark_at_pos PARAMS((int));
/* undo.c */
extern UNDO_LIST *_rl_copy_undo_entry PARAMS((UNDO_LIST *));
extern UNDO_LIST *_rl_copy_undo_list PARAMS((UNDO_LIST *));
/* util.c */
#if defined (USE_VARARGS) && defined (PREFER_STDARG)
extern void _rl_ttymsg (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
extern void _rl_errmsg (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
extern void _rl_trace (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
#else
extern void _rl_ttymsg ();
extern void _rl_errmsg ();
extern void _rl_trace ();
#endif
extern int _rl_tropen PARAMS((void));
extern int _rl_abort_internal PARAMS((void));
extern int _rl_null_function PARAMS((int, int));
extern char *_rl_strindex PARAMS((const char *, const char *));
extern int _rl_qsort_string_compare PARAMS((char **, char **));
extern int (_rl_uppercase_p) PARAMS((int));
extern int (_rl_lowercase_p) PARAMS((int));
extern int (_rl_pure_alphabetic) PARAMS((int));
extern int (_rl_digit_p) PARAMS((int));
extern int (_rl_to_lower) PARAMS((int));
extern int (_rl_to_upper) PARAMS((int));
extern int (_rl_digit_value) PARAMS((int));
/* vi_mode.c */
extern void _rl_vi_initialize_line PARAMS((void));
extern void _rl_vi_reset_last PARAMS((void));
extern void _rl_vi_set_last PARAMS((int, int, int));
extern int _rl_vi_textmod_command PARAMS((int));
extern void _rl_vi_done_inserting PARAMS((void));
extern int _rl_vi_domove_callback PARAMS((_rl_vimotion_cxt *));
/*************************************************************************
* Undocumented private variables *
*************************************************************************/
/* bind.c */
extern const char * const _rl_possible_control_prefixes[];
extern const char * const _rl_possible_meta_prefixes[];
/* callback.c */
extern _rl_callback_func_t *_rl_callback_func;
extern _rl_callback_generic_arg *_rl_callback_data;
/* complete.c */
extern int _rl_complete_show_all;
extern int _rl_complete_show_unmodified;
extern int _rl_complete_mark_directories;
extern int _rl_complete_mark_symlink_dirs;
extern int _rl_completion_prefix_display_length;
extern int _rl_completion_columns;
extern int _rl_print_completions_horizontally;
extern int _rl_completion_case_fold;
extern int _rl_completion_case_map;
extern int _rl_match_hidden_files;
extern int _rl_page_completions;
extern int _rl_skip_completed_text;
extern int _rl_menu_complete_prefix_first;
/* display.c */
extern int _rl_vis_botlin;
extern int _rl_last_c_pos;
extern int _rl_suppress_redisplay;
extern int _rl_want_redisplay;
/* isearch.c */
extern char *_rl_isearch_terminators;
extern _rl_search_cxt *_rl_iscxt;
/* macro.c */
extern char *_rl_executing_macro;
/* misc.c */
extern int _rl_history_preserve_point;
extern int _rl_history_saved_point;
extern _rl_arg_cxt _rl_argcxt;
/* readline.c */
extern int _rl_echoing_p;
extern int _rl_horizontal_scroll_mode;
extern int _rl_mark_modified_lines;
extern int _rl_bell_preference;
extern int _rl_meta_flag;
extern int _rl_convert_meta_chars_to_ascii;
extern int _rl_output_meta_chars;
extern int _rl_bind_stty_chars;
extern int _rl_revert_all_at_newline;
extern int _rl_echo_control_chars;
extern char *_rl_comment_begin;
extern unsigned char _rl_parsing_conditionalized_out;
extern Keymap _rl_keymap;
extern FILE *_rl_in_stream;
extern FILE *_rl_out_stream;
extern int _rl_last_command_was_kill;
extern int _rl_eof_char;
extern procenv_t _rl_top_level;
extern _rl_keyseq_cxt *_rl_kscxt;
/* search.c */
extern _rl_search_cxt *_rl_nscxt;
/* signals.c */
extern int _rl_interrupt_immediately;
extern int volatile _rl_caught_signal;
extern int _rl_echoctl;
extern int _rl_intr_char;
extern int _rl_quit_char;
extern int _rl_susp_char;
/* terminal.c */
extern int _rl_enable_keypad;
extern int _rl_enable_meta;
extern char *_rl_term_clreol;
extern char *_rl_term_clrpag;
extern char *_rl_term_im;
extern char *_rl_term_ic;
extern char *_rl_term_ei;
extern char *_rl_term_DC;
extern char *_rl_term_up;
extern char *_rl_term_dc;
extern char *_rl_term_cr;
extern char *_rl_term_IC;
extern char *_rl_term_forward_char;
extern int _rl_screenheight;
extern int _rl_screenwidth;
extern int _rl_screenchars;
extern int _rl_terminal_can_insert;
extern int _rl_term_autowrap;
/* undo.c */
extern int _rl_doing_an_undo;
extern int _rl_undo_group_level;
/* vi_mode.c */
extern int _rl_vi_last_command;
extern _rl_vimotion_cxt *_rl_vimvcxt;
#endif /* _RL_PRIVATE_H_ */
-2417
View File
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
-76
View File
@@ -1,76 +0,0 @@
# This makefile for Readline library documentation is in -*- text -*- mode.
# Emacs likes it that way.
RM = rm -f
MAKEINFO = makeinfo
TEXI2DVI = texi2dvi
TEXI2HTML = texi2html
QUIETPS = #set this to -q to shut up dvips
DVIPS = dvips -D 300 $(QUIETPS) -o $@ # tricky
INSTALL_DATA = cp
infodir = /usr/local/info
RLSRC = rlman.texinfo rluser.texinfo rltech.texinfo
HISTSRC = hist.texinfo hsuser.texinfo hstech.texinfo
DVIOBJ = readline.dvi history.dvi
INFOOBJ = readline.info history.info
PSOBJ = readline.ps history.ps
HTMLOBJ = readline.html history.html
all: info dvi html ps
nodvi: info html
readline.dvi: $(RLSRC)
$(TEXI2DVI) rlman.texinfo
mv rlman.dvi readline.dvi
readline.info: $(RLSRC)
$(MAKEINFO) --no-split -o $@ rlman.texinfo
history.dvi: ${HISTSRC}
$(TEXI2DVI) hist.texinfo
mv hist.dvi history.dvi
history.info: ${HISTSRC}
$(MAKEINFO) --no-split -o $@ hist.texinfo
readline.ps: readline.dvi
$(RM) $@
$(DVIPS) readline.dvi
history.ps: history.dvi
$(RM) $@
$(DVIPS) history.dvi
readline.html: ${RLSRC}
$(TEXI2HTML) rlman.texinfo
sed -e 's:rlman.html:readline.html:' -e 's:rlman_toc.html:readline_toc.html:' rlman.html > readline.html
sed -e 's:rlman.html:readline.html:' -e 's:rlman_toc.html:readline_toc.html:' rlman_toc.html > readline_toc.html
$(RM) rlman.html rlman_toc.html
history.html: ${HISTSRC}
$(TEXI2HTML) hist.texinfo
sed -e 's:hist.html:history.html:' -e 's:hist_toc.html:history_toc.html:' hist.html > history.html
sed -e 's:hist.html:history.html:' -e 's:hist_toc.html:history_toc.html:' hist_toc.html > history_toc.html
$(RM) hist.html hist_toc.html
info: $(INFOOBJ)
dvi: $(DVIOBJ)
ps: $(PSOBJ)
html: $(HTMLOBJ)
clean:
$(RM) *.aux *.cp *.fn *.ky *.log *.pg *.toc *.tp *.vr *.cps *.pgs \
*.fns *.kys *.tps *.vrs *.o core
distclean: clean
mostlyclean: clean
maintainer-clean: clean
$(RM) *.dvi *.info *.info-* *.ps *.html
install: info
${INSTALL_DATA} readline.info $(infodir)/readline.info
${INSTALL_DATA} history.info $(infodir)/history.info
File diff suppressed because it is too large Load Diff
File diff suppressed because it is too large Load Diff
-263
View File
@@ -1,263 +0,0 @@
/* funmap.c -- attach names to functions. */
/* Copyright (C) 1987-2010 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
Readline is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Readline is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Readline. If not, see <http://www.gnu.org/licenses/>.
*/
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
# include <config.h>
#endif
#if !defined (BUFSIZ)
#include <stdio.h>
#endif /* BUFSIZ */
#if defined (HAVE_STDLIB_H)
# include <stdlib.h>
#else
# include "ansi_stdlib.h"
#endif /* HAVE_STDLIB_H */
#include "rlconf.h"
#include "readline.h"
#include "xmalloc.h"
#ifdef __STDC__
typedef int QSFUNC (const void *, const void *);
#else
typedef int QSFUNC ();
#endif
extern int _rl_qsort_string_compare PARAMS((char **, char **));
FUNMAP **funmap;
static int funmap_size;
static int funmap_entry;
/* After initializing the function map, this is the index of the first
program specific function. */
int funmap_program_specific_entry_start;
static const FUNMAP default_funmap[] = {
{ "abort", rl_abort },
{ "accept-line", rl_newline },
{ "arrow-key-prefix", rl_arrow_keys },
{ "backward-byte", rl_backward_byte },
{ "backward-char", rl_backward_char },
{ "backward-delete-char", rl_rubout },
{ "backward-kill-line", rl_backward_kill_line },
{ "backward-kill-word", rl_backward_kill_word },
{ "backward-word", rl_backward_word },
{ "beginning-of-history", rl_beginning_of_history },
{ "beginning-of-line", rl_beg_of_line },
{ "call-last-kbd-macro", rl_call_last_kbd_macro },
{ "capitalize-word", rl_capitalize_word },
{ "character-search", rl_char_search },
{ "character-search-backward", rl_backward_char_search },
{ "clear-screen", rl_clear_screen },
{ "complete", rl_complete },
{ "copy-backward-word", rl_copy_backward_word },
{ "copy-forward-word", rl_copy_forward_word },
{ "copy-region-as-kill", rl_copy_region_to_kill },
{ "delete-char", rl_delete },
{ "delete-char-or-list", rl_delete_or_show_completions },
{ "delete-horizontal-space", rl_delete_horizontal_space },
{ "digit-argument", rl_digit_argument },
{ "do-lowercase-version", rl_do_lowercase_version },
{ "downcase-word", rl_downcase_word },
{ "dump-functions", rl_dump_functions },
{ "dump-macros", rl_dump_macros },
{ "dump-variables", rl_dump_variables },
{ "emacs-editing-mode", rl_emacs_editing_mode },
{ "end-kbd-macro", rl_end_kbd_macro },
{ "end-of-history", rl_end_of_history },
{ "end-of-line", rl_end_of_line },
{ "exchange-point-and-mark", rl_exchange_point_and_mark },
{ "forward-backward-delete-char", rl_rubout_or_delete },
{ "forward-byte", rl_forward_byte },
{ "forward-char", rl_forward_char },
{ "forward-search-history", rl_forward_search_history },
{ "forward-word", rl_forward_word },
{ "history-search-backward", rl_history_search_backward },
{ "history-search-forward", rl_history_search_forward },
{ "insert-comment", rl_insert_comment },
{ "insert-completions", rl_insert_completions },
{ "kill-whole-line", rl_kill_full_line },
{ "kill-line", rl_kill_line },
{ "kill-region", rl_kill_region },
{ "kill-word", rl_kill_word },
{ "menu-complete", rl_menu_complete },
{ "menu-complete-backward", rl_backward_menu_complete },
{ "next-history", rl_get_next_history },
{ "non-incremental-forward-search-history", rl_noninc_forward_search },
{ "non-incremental-reverse-search-history", rl_noninc_reverse_search },
{ "non-incremental-forward-search-history-again", rl_noninc_forward_search_again },
{ "non-incremental-reverse-search-history-again", rl_noninc_reverse_search_again },
{ "old-menu-complete", rl_old_menu_complete },
{ "overwrite-mode", rl_overwrite_mode },
#ifdef __CYGWIN__
{ "paste-from-clipboard", rl_paste_from_clipboard },
#endif
{ "possible-completions", rl_possible_completions },
{ "previous-history", rl_get_previous_history },
{ "quoted-insert", rl_quoted_insert },
{ "re-read-init-file", rl_re_read_init_file },
{ "redraw-current-line", rl_refresh_line},
{ "reverse-search-history", rl_reverse_search_history },
{ "revert-line", rl_revert_line },
{ "self-insert", rl_insert },
{ "set-mark", rl_set_mark },
{ "skip-csi-sequence", rl_skip_csi_sequence },
{ "start-kbd-macro", rl_start_kbd_macro },
{ "tab-insert", rl_tab_insert },
{ "tilde-expand", rl_tilde_expand },
{ "transpose-chars", rl_transpose_chars },
{ "transpose-words", rl_transpose_words },
{ "tty-status", rl_tty_status },
{ "undo", rl_undo_command },
{ "universal-argument", rl_universal_argument },
{ "unix-filename-rubout", rl_unix_filename_rubout },
{ "unix-line-discard", rl_unix_line_discard },
{ "unix-word-rubout", rl_unix_word_rubout },
{ "upcase-word", rl_upcase_word },
{ "yank", rl_yank },
{ "yank-last-arg", rl_yank_last_arg },
{ "yank-nth-arg", rl_yank_nth_arg },
{ "yank-pop", rl_yank_pop },
#if defined (VI_MODE)
{ "vi-append-eol", rl_vi_append_eol },
{ "vi-append-mode", rl_vi_append_mode },
{ "vi-arg-digit", rl_vi_arg_digit },
{ "vi-back-to-indent", rl_vi_back_to_indent },
{ "vi-backward-bigword", rl_vi_bWord },
{ "vi-backward-word", rl_vi_bword },
{ "vi-bWord", rl_vi_bWord },
{ "vi-bword", rl_vi_bword },
{ "vi-change-case", rl_vi_change_case },
{ "vi-change-char", rl_vi_change_char },
{ "vi-change-to", rl_vi_change_to },
{ "vi-char-search", rl_vi_char_search },
{ "vi-column", rl_vi_column },
{ "vi-complete", rl_vi_complete },
{ "vi-delete", rl_vi_delete },
{ "vi-delete-to", rl_vi_delete_to },
{ "vi-eWord", rl_vi_eWord },
{ "vi-editing-mode", rl_vi_editing_mode },
{ "vi-end-bigword", rl_vi_eWord },
{ "vi-end-word", rl_vi_end_word },
{ "vi-eof-maybe", rl_vi_eof_maybe },
{ "vi-eword", rl_vi_eword },
{ "vi-fWord", rl_vi_fWord },
{ "vi-fetch-history", rl_vi_fetch_history },
{ "vi-first-print", rl_vi_first_print },
{ "vi-forward-bigword", rl_vi_fWord },
{ "vi-forward-word", rl_vi_fword },
{ "vi-fword", rl_vi_fword },
{ "vi-goto-mark", rl_vi_goto_mark },
{ "vi-insert-beg", rl_vi_insert_beg },
{ "vi-insertion-mode", rl_vi_insertion_mode },
{ "vi-match", rl_vi_match },
{ "vi-movement-mode", rl_vi_movement_mode },
{ "vi-next-word", rl_vi_next_word },
{ "vi-overstrike", rl_vi_overstrike },
{ "vi-overstrike-delete", rl_vi_overstrike_delete },
{ "vi-prev-word", rl_vi_prev_word },
{ "vi-put", rl_vi_put },
{ "vi-redo", rl_vi_redo },
{ "vi-replace", rl_vi_replace },
{ "vi-rubout", rl_vi_rubout },
{ "vi-search", rl_vi_search },
{ "vi-search-again", rl_vi_search_again },
{ "vi-set-mark", rl_vi_set_mark },
{ "vi-subst", rl_vi_subst },
{ "vi-tilde-expand", rl_vi_tilde_expand },
{ "vi-yank-arg", rl_vi_yank_arg },
{ "vi-yank-to", rl_vi_yank_to },
#endif /* VI_MODE */
{(char *)NULL, (rl_command_func_t *)NULL }
};
int
rl_add_funmap_entry (name, function)
const char *name;
rl_command_func_t *function;
{
if (funmap_entry + 2 >= funmap_size)
{
funmap_size += 64;
funmap = (FUNMAP **)xrealloc (funmap, funmap_size * sizeof (FUNMAP *));
}
funmap[funmap_entry] = (FUNMAP *)xmalloc (sizeof (FUNMAP));
funmap[funmap_entry]->name = name;
funmap[funmap_entry]->function = function;
funmap[++funmap_entry] = (FUNMAP *)NULL;
return funmap_entry;
}
static int funmap_initialized;
/* Make the funmap contain all of the default entries. */
void
rl_initialize_funmap ()
{
register int i;
if (funmap_initialized)
return;
for (i = 0; default_funmap[i].name; i++)
rl_add_funmap_entry (default_funmap[i].name, default_funmap[i].function);
funmap_initialized = 1;
funmap_program_specific_entry_start = i;
}
/* Produce a NULL terminated array of known function names. The array
is sorted. The array itself is allocated, but not the strings inside.
You should free () the array when you done, but not the pointrs. */
const char **
rl_funmap_names ()
{
const char **result;
int result_size, result_index;
/* Make sure that the function map has been initialized. */
rl_initialize_funmap ();
for (result_index = result_size = 0, result = (const char **)NULL; funmap[result_index]; result_index++)
{
if (result_index + 2 > result_size)
{
result_size += 20;
result = (const char **)xrealloc (result, result_size * sizeof (char *));
}
result[result_index] = funmap[result_index]->name;
result[result_index + 1] = (char *)NULL;
}
qsort (result, result_index, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare);
return (result);
}
-581
View File
@@ -1,581 +0,0 @@
/* histfile.c - functions to manipulate the history file. */
/* Copyright (C) 1989-2010 Free Software Foundation, Inc.
This file contains the GNU History Library (History), a set of
routines for managing the text of previously typed lines.
History is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
History is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with History. If not, see <http://www.gnu.org/licenses/>.
*/
/* The goal is to make the implementation transparent, so that you
don't have to know what data types are used, just what functions
you can call. I think I have done that. */
#define READLINE_LIBRARY
#if defined (__TANDEM)
# include <floss.h>
#endif
#if defined (HAVE_CONFIG_H)
# include <config.h>
#endif
#include <stdio.h>
#include <sys/types.h>
#if ! defined (_MINIX) && defined (HAVE_SYS_FILE_H)
# include <sys/file.h>
#endif
#include "posixstat.h"
#include <fcntl.h>
#if defined (HAVE_STDLIB_H)
# include <stdlib.h>
#else
# include "ansi_stdlib.h"
#endif /* HAVE_STDLIB_H */
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif
#include <ctype.h>
#if defined (__EMX__)
# undef HAVE_MMAP
#endif
#ifdef HISTORY_USE_MMAP
# include <sys/mman.h>
# ifdef MAP_FILE
# define MAP_RFLAGS (MAP_FILE|MAP_PRIVATE)
# define MAP_WFLAGS (MAP_FILE|MAP_SHARED)
# else
# define MAP_RFLAGS MAP_PRIVATE
# define MAP_WFLAGS MAP_SHARED
# endif
# ifndef MAP_FAILED
# define MAP_FAILED ((void *)-1)
# endif
#endif /* HISTORY_USE_MMAP */
/* If we're compiling for __EMX__ (OS/2) or __CYGWIN__ (cygwin32 environment
on win 95/98/nt), we want to open files with O_BINARY mode so that there
is no \n -> \r\n conversion performed. On other systems, we don't want to
mess around with O_BINARY at all, so we ensure that it's defined to 0. */
#if defined (__EMX__) || defined (__CYGWIN__)
# ifndef O_BINARY
# define O_BINARY 0
# endif
#else /* !__EMX__ && !__CYGWIN__ */
# undef O_BINARY
# define O_BINARY 0
#endif /* !__EMX__ && !__CYGWIN__ */
#include <errno.h>
#if !defined (errno)
extern int errno;
#endif /* !errno */
#include "history.h"
#include "histlib.h"
#include "rlshell.h"
#include "xmalloc.h"
/* If non-zero, we write timestamps to the history file in history_do_write() */
int history_write_timestamps = 0;
/* Does S look like the beginning of a history timestamp entry? Placeholder
for more extensive tests. */
#define HIST_TIMESTAMP_START(s) (*(s) == history_comment_char && isdigit ((s)[1]) )
/* Return the string that should be used in the place of this
filename. This only matters when you don't specify the
filename to read_history (), or write_history (). */
static char *
history_filename (filename)
const char *filename;
{
char *return_val;
const char *home;
int home_len;
return_val = filename ? savestring (filename) : (char *)NULL;
if (return_val)
return (return_val);
home = sh_get_env_value ("HOME");
if (home == 0)
return (NULL);
else
home_len = strlen (home);
return_val = (char *)xmalloc (2 + home_len + 8); /* strlen(".history") == 8 */
strcpy (return_val, home);
return_val[home_len] = '/';
#if defined (__MSDOS__)
strcpy (return_val + home_len + 1, "_history");
#else
strcpy (return_val + home_len + 1, ".history");
#endif
return (return_val);
}
static char *
history_backupfile (filename)
const char *filename;
{
char *ret;
size_t len;
len = strlen (filename);
ret = xmalloc (len + 2);
strcpy (ret, filename);
ret[len] = '-';
ret[len+1] = '\0';
return ret;
}
/* Add the contents of FILENAME to the history list, a line at a time.
If FILENAME is NULL, then read from ~/.history. Returns 0 if
successful, or errno if not. */
int
read_history (filename)
const char *filename;
{
return (read_history_range (filename, 0, -1));
}
/* Read a range of lines from FILENAME, adding them to the history list.
Start reading at the FROM'th line and end at the TO'th. If FROM
is zero, start at the beginning. If TO is less than FROM, read
until the end of the file. If FILENAME is NULL, then read from
~/.history. Returns 0 if successful, or errno if not. */
int
read_history_range (filename, from, to)
const char *filename;
int from, to;
{
register char *line_start, *line_end, *p;
char *input, *buffer, *bufend, *last_ts;
int file, current_line, chars_read;
struct stat finfo;
size_t file_size;
#if defined (EFBIG)
int overflow_errno = EFBIG;
#elif defined (EOVERFLOW)
int overflow_errno = EOVERFLOW;
#else
int overflow_errno = EIO;
#endif
buffer = last_ts = (char *)NULL;
input = history_filename (filename);
file = input ? open (input, O_RDONLY|O_BINARY, 0666) : -1;
if ((file < 0) || (fstat (file, &finfo) == -1))
goto error_and_exit;
file_size = (size_t)finfo.st_size;
/* check for overflow on very large files */
if (file_size != finfo.st_size || file_size + 1 < file_size)
{
errno = overflow_errno;
goto error_and_exit;
}
#ifdef HISTORY_USE_MMAP
/* We map read/write and private so we can change newlines to NULs without
affecting the underlying object. */
buffer = (char *)mmap (0, file_size, PROT_READ|PROT_WRITE, MAP_RFLAGS, file, 0);
if ((void *)buffer == MAP_FAILED)
{
errno = overflow_errno;
goto error_and_exit;
}
chars_read = file_size;
#else
buffer = (char *)malloc (file_size + 1);
if (buffer == 0)
{
errno = overflow_errno;
goto error_and_exit;
}
chars_read = read (file, buffer, file_size);
#endif
if (chars_read < 0)
{
error_and_exit:
if (errno != 0)
chars_read = errno;
else
chars_read = EIO;
if (file >= 0)
close (file);
FREE (input);
#ifndef HISTORY_USE_MMAP
FREE (buffer);
#endif
return (chars_read);
}
close (file);
/* Set TO to larger than end of file if negative. */
if (to < 0)
to = chars_read;
/* Start at beginning of file, work to end. */
bufend = buffer + chars_read;
current_line = 0;
/* Skip lines until we are at FROM. */
for (line_start = line_end = buffer; line_end < bufend && current_line < from; line_end++)
if (*line_end == '\n')
{
p = line_end + 1;
/* If we see something we think is a timestamp, continue with this
line. We should check more extensively here... */
if (HIST_TIMESTAMP_START(p) == 0)
current_line++;
line_start = p;
}
/* If there are lines left to gobble, then gobble them now. */
for (line_end = line_start; line_end < bufend; line_end++)
if (*line_end == '\n')
{
/* Change to allow Windows-like \r\n end of line delimiter. */
if (line_end > line_start && line_end[-1] == '\r')
line_end[-1] = '\0';
else
*line_end = '\0';
if (*line_start)
{
if (HIST_TIMESTAMP_START(line_start) == 0)
{
add_history (line_start);
if (last_ts)
{
add_history_time (last_ts);
last_ts = NULL;
}
}
else
{
last_ts = line_start;
current_line--;
}
}
current_line++;
if (current_line >= to)
break;
line_start = line_end + 1;
}
FREE (input);
#ifndef HISTORY_USE_MMAP
FREE (buffer);
#else
munmap (buffer, file_size);
#endif
return (0);
}
/* Truncate the history file FNAME, leaving only LINES trailing lines.
If FNAME is NULL, then use ~/.history. Returns 0 on success, errno
on failure. */
int
history_truncate_file (fname, lines)
const char *fname;
int lines;
{
char *buffer, *filename, *bp, *bp1; /* bp1 == bp+1 */
int file, chars_read, rv;
struct stat finfo;
size_t file_size;
buffer = (char *)NULL;
filename = history_filename (fname);
file = filename ? open (filename, O_RDONLY|O_BINARY, 0666) : -1;
rv = 0;
/* Don't try to truncate non-regular files. */
if (file == -1 || fstat (file, &finfo) == -1)
{
rv = errno;
if (file != -1)
close (file);
goto truncate_exit;
}
if (S_ISREG (finfo.st_mode) == 0)
{
close (file);
#ifdef EFTYPE
rv = EFTYPE;
#else
rv = EINVAL;
#endif
goto truncate_exit;
}
file_size = (size_t)finfo.st_size;
/* check for overflow on very large files */
if (file_size != finfo.st_size || file_size + 1 < file_size)
{
close (file);
#if defined (EFBIG)
rv = errno = EFBIG;
#elif defined (EOVERFLOW)
rv = errno = EOVERFLOW;
#else
rv = errno = EINVAL;
#endif
goto truncate_exit;
}
buffer = (char *)malloc (file_size + 1);
if (buffer == 0)
{
close (file);
goto truncate_exit;
}
chars_read = read (file, buffer, file_size);
close (file);
if (chars_read <= 0)
{
rv = (chars_read < 0) ? errno : 0;
goto truncate_exit;
}
/* Count backwards from the end of buffer until we have passed
LINES lines. bp1 is set funny initially. But since bp[1] can't
be a comment character (since it's off the end) and *bp can't be
both a newline and the history comment character, it should be OK. */
for (bp1 = bp = buffer + chars_read - 1; lines && bp > buffer; bp--)
{
if (*bp == '\n' && HIST_TIMESTAMP_START(bp1) == 0)
lines--;
bp1 = bp;
}
/* If this is the first line, then the file contains exactly the
number of lines we want to truncate to, so we don't need to do
anything. It's the first line if we don't find a newline between
the current value of i and 0. Otherwise, write from the start of
this line until the end of the buffer. */
for ( ; bp > buffer; bp--)
{
if (*bp == '\n' && HIST_TIMESTAMP_START(bp1) == 0)
{
bp++;
break;
}
bp1 = bp;
}
/* Write only if there are more lines in the file than we want to
truncate to. */
if (bp > buffer && ((file = open (filename, O_WRONLY|O_TRUNC|O_BINARY, 0600)) != -1))
{
write (file, bp, chars_read - (bp - buffer));
#if defined (__BEOS__)
/* BeOS ignores O_TRUNC. */
ftruncate (file, chars_read - (bp - buffer));
#endif
close (file);
}
truncate_exit:
FREE (buffer);
xfree (filename);
return rv;
}
/* Workhorse function for writing history. Writes NELEMENT entries
from the history list to FILENAME. OVERWRITE is non-zero if you
wish to replace FILENAME with the entries. */
static int
history_do_write (filename, nelements, overwrite)
const char *filename;
int nelements, overwrite;
{
register int i;
char *output, *bakname;
int file, mode, rv;
#ifdef HISTORY_USE_MMAP
size_t cursize;
mode = overwrite ? O_RDWR|O_CREAT|O_TRUNC|O_BINARY : O_RDWR|O_APPEND|O_BINARY;
#else
mode = overwrite ? O_WRONLY|O_CREAT|O_TRUNC|O_BINARY : O_WRONLY|O_APPEND|O_BINARY;
#endif
output = history_filename (filename);
bakname = output ? history_backupfile (output) : 0;
if (output && bakname)
rename (output, bakname);
file = output ? open (output, mode, 0600) : -1;
rv = 0;
if (file == -1)
{
rv = errno;
if (output && bakname)
rename (bakname, output);
FREE (output);
FREE (bakname);
return (rv);
}
#ifdef HISTORY_USE_MMAP
cursize = overwrite ? 0 : lseek (file, 0, SEEK_END);
#endif
if (nelements > history_length)
nelements = history_length;
/* Build a buffer of all the lines to write, and write them in one syscall.
Suggested by Peter Ho (peter@robosts.oxford.ac.uk). */
{
HIST_ENTRY **the_history; /* local */
register int j;
int buffer_size;
char *buffer;
the_history = history_list ();
/* Calculate the total number of bytes to write. */
for (buffer_size = 0, i = history_length - nelements; i < history_length; i++)
#if 0
buffer_size += 2 + HISTENT_BYTES (the_history[i]);
#else
{
if (history_write_timestamps && the_history[i]->timestamp && the_history[i]->timestamp[0])
buffer_size += strlen (the_history[i]->timestamp) + 1;
buffer_size += strlen (the_history[i]->line) + 1;
}
#endif
/* Allocate the buffer, and fill it. */
#ifdef HISTORY_USE_MMAP
if (ftruncate (file, buffer_size+cursize) == -1)
goto mmap_error;
buffer = (char *)mmap (0, buffer_size, PROT_READ|PROT_WRITE, MAP_WFLAGS, file, cursize);
if ((void *)buffer == MAP_FAILED)
{
mmap_error:
rv = errno;
close (file);
if (output && bakname)
rename (bakname, output);
FREE (output);
FREE (bakname);
return rv;
}
#else
buffer = (char *)malloc (buffer_size);
if (buffer == 0)
{
rv = errno;
close (file);
if (output && bakname)
rename (bakname, output);
FREE (output);
FREE (bakname);
return rv;
}
#endif
for (j = 0, i = history_length - nelements; i < history_length; i++)
{
if (history_write_timestamps && the_history[i]->timestamp && the_history[i]->timestamp[0])
{
strcpy (buffer + j, the_history[i]->timestamp);
j += strlen (the_history[i]->timestamp);
buffer[j++] = '\n';
}
strcpy (buffer + j, the_history[i]->line);
j += strlen (the_history[i]->line);
buffer[j++] = '\n';
}
#ifdef HISTORY_USE_MMAP
if (msync (buffer, buffer_size, 0) != 0 || munmap (buffer, buffer_size) != 0)
rv = errno;
#else
if (write (file, buffer, buffer_size) < 0)
rv = errno;
xfree (buffer);
#endif
}
close (file);
if (rv != 0 && output && bakname)
rename (bakname, output);
else if (rv == 0 && bakname)
unlink (bakname);
FREE (output);
FREE (bakname);
return (rv);
}
/* Append NELEMENT entries to FILENAME. The entries appended are from
the end of the list minus NELEMENTs up to the end of the list. */
int
append_history (nelements, filename)
int nelements;
const char *filename;
{
return (history_do_write (filename, nelements, HISTORY_APPEND));
}
/* Overwrite FILENAME with the current history. If FILENAME is NULL,
then write the history list to ~/.history. Values returned
are as in read_history ().*/
int
write_history (filename)
const char *filename;
{
return (history_do_write (filename, history_length, HISTORY_OVERWRITE));
}
-610
View File
@@ -1,610 +0,0 @@
/* input.c -- character input functions for readline. */
/* Copyright (C) 1994-2011 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
Readline is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Readline is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Readline. If not, see <http://www.gnu.org/licenses/>.
*/
#define READLINE_LIBRARY
#if defined (__TANDEM)
# include <floss.h>
#endif
#if defined (HAVE_CONFIG_H)
# include <config.h>
#endif
#include <sys/types.h>
#include <fcntl.h>
#if defined (HAVE_SYS_FILE_H)
# include <sys/file.h>
#endif /* HAVE_SYS_FILE_H */
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif /* HAVE_UNISTD_H */
#if defined (HAVE_STDLIB_H)
# include <stdlib.h>
#else
# include "ansi_stdlib.h"
#endif /* HAVE_STDLIB_H */
#include <signal.h>
#include "posixselect.h"
#if defined (FIONREAD_IN_SYS_IOCTL)
# include <sys/ioctl.h>
#endif
#include <stdio.h>
#include <errno.h>
#if !defined (errno)
extern int errno;
#endif /* !errno */
/* System-specific feature definitions and include files. */
#include "rldefs.h"
#include "rlmbutil.h"
/* Some standard library routines. */
#include "readline.h"
#include "rlprivate.h"
#include "rlshell.h"
#include "xmalloc.h"
/* What kind of non-blocking I/O do we have? */
#if !defined (O_NDELAY) && defined (O_NONBLOCK)
# define O_NDELAY O_NONBLOCK /* Posix style */
#endif
/* Non-null means it is a pointer to a function to run while waiting for
character input. */
rl_hook_func_t *rl_event_hook = (rl_hook_func_t *)NULL;
rl_getc_func_t *rl_getc_function = rl_getc;
static int _keyboard_input_timeout = 100000; /* 0.1 seconds; it's in usec */
static int ibuffer_space PARAMS((void));
static int rl_get_char PARAMS((int *));
static int rl_gather_tyi PARAMS((void));
/* **************************************************************** */
/* */
/* Character Input Buffering */
/* */
/* **************************************************************** */
static int pop_index, push_index;
static unsigned char ibuffer[512];
static int ibuffer_len = sizeof (ibuffer) - 1;
#define any_typein (push_index != pop_index)
int
_rl_any_typein ()
{
return any_typein;
}
/* Return the amount of space available in the buffer for stuffing
characters. */
static int
ibuffer_space ()
{
if (pop_index > push_index)
return (pop_index - push_index - 1);
else
return (ibuffer_len - (push_index - pop_index));
}
/* Get a key from the buffer of characters to be read.
Return the key in KEY.
Result is KEY if there was a key, or 0 if there wasn't. */
static int
rl_get_char (key)
int *key;
{
if (push_index == pop_index)
return (0);
*key = ibuffer[pop_index++];
#if 0
if (pop_index >= ibuffer_len)
#else
if (pop_index > ibuffer_len)
#endif
pop_index = 0;
return (1);
}
/* Stuff KEY into the *front* of the input buffer.
Returns non-zero if successful, zero if there is
no space left in the buffer. */
int
_rl_unget_char (key)
int key;
{
if (ibuffer_space ())
{
pop_index--;
if (pop_index < 0)
pop_index = ibuffer_len;
ibuffer[pop_index] = key;
return (1);
}
return (0);
}
int
_rl_pushed_input_available ()
{
return (push_index != pop_index);
}
/* If a character is available to be read, then read it and stuff it into
IBUFFER. Otherwise, just return. Returns number of characters read
(0 if none available) and -1 on error (EIO). */
static int
rl_gather_tyi ()
{
int tty;
register int tem, result;
int chars_avail, k;
char input;
#if defined(HAVE_SELECT)
fd_set readfds, exceptfds;
struct timeval timeout;
#endif
chars_avail = 0;
tty = fileno (rl_instream);
#if defined (HAVE_SELECT)
FD_ZERO (&readfds);
FD_ZERO (&exceptfds);
FD_SET (tty, &readfds);
FD_SET (tty, &exceptfds);
USEC_TO_TIMEVAL (_keyboard_input_timeout, timeout);
result = select (tty + 1, &readfds, (fd_set *)NULL, &exceptfds, &timeout);
if (result <= 0)
return 0; /* Nothing to read. */
#endif
result = -1;
#if defined (FIONREAD)
errno = 0;
result = ioctl (tty, FIONREAD, &chars_avail);
if (result == -1 && errno == EIO)
return -1;
#endif
#if defined (O_NDELAY)
if (result == -1)
{
tem = fcntl (tty, F_GETFL, 0);
fcntl (tty, F_SETFL, (tem | O_NDELAY));
chars_avail = read (tty, &input, 1);
fcntl (tty, F_SETFL, tem);
if (chars_avail == -1 && errno == EAGAIN)
return 0;
if (chars_avail == 0) /* EOF */
{
rl_stuff_char (EOF);
return (0);
}
}
#endif /* O_NDELAY */
#if defined (__MINGW32__)
/* Use getch/_kbhit to check for available console input, in the same way
that we read it normally. */
chars_avail = isatty (tty) ? _kbhit () : 0;
result = 0;
#endif
/* If there's nothing available, don't waste time trying to read
something. */
if (chars_avail <= 0)
return 0;
tem = ibuffer_space ();
if (chars_avail > tem)
chars_avail = tem;
/* One cannot read all of the available input. I can only read a single
character at a time, or else programs which require input can be
thwarted. If the buffer is larger than one character, I lose.
Damn! */
if (tem < ibuffer_len)
chars_avail = 0;
if (result != -1)
{
while (chars_avail--)
{
RL_CHECK_SIGNALS ();
k = (*rl_getc_function) (rl_instream);
if (rl_stuff_char (k) == 0)
break; /* some problem; no more room */
if (k == NEWLINE || k == RETURN)
break;
}
}
else
{
if (chars_avail)
rl_stuff_char (input);
}
return 1;
}
int
rl_set_keyboard_input_timeout (u)
int u;
{
int o;
o = _keyboard_input_timeout;
if (u >= 0)
_keyboard_input_timeout = u;
return (o);
}
/* Is there input available to be read on the readline input file
descriptor? Only works if the system has select(2) or FIONREAD.
Uses the value of _keyboard_input_timeout as the timeout; if another
readline function wants to specify a timeout and not leave it up to
the user, it should use _rl_input_queued(timeout_value_in_microseconds)
instead. */
int
_rl_input_available ()
{
#if defined(HAVE_SELECT)
fd_set readfds, exceptfds;
struct timeval timeout;
#endif
#if !defined (HAVE_SELECT) && defined(FIONREAD)
int chars_avail;
#endif
int tty;
tty = fileno (rl_instream);
#if defined (HAVE_SELECT)
FD_ZERO (&readfds);
FD_ZERO (&exceptfds);
FD_SET (tty, &readfds);
FD_SET (tty, &exceptfds);
timeout.tv_sec = 0;
timeout.tv_usec = _keyboard_input_timeout;
return (select (tty + 1, &readfds, (fd_set *)NULL, &exceptfds, &timeout) > 0);
#else
#if defined (FIONREAD)
if (ioctl (tty, FIONREAD, &chars_avail) == 0)
return (chars_avail);
#endif
#endif
#if defined (__MINGW32__)
if (isatty (tty))
return (_kbhit ());
#endif
return 0;
}
int
_rl_input_queued (t)
int t;
{
int old_timeout, r;
old_timeout = rl_set_keyboard_input_timeout (t);
r = _rl_input_available ();
rl_set_keyboard_input_timeout (old_timeout);
return r;
}
void
_rl_insert_typein (c)
int c;
{
int key, t, i;
char *string;
i = key = 0;
string = (char *)xmalloc (ibuffer_len + 1);
string[i++] = (char) c;
while ((t = rl_get_char (&key)) &&
_rl_keymap[key].type == ISFUNC &&
_rl_keymap[key].function == rl_insert)
string[i++] = key;
if (t)
_rl_unget_char (key);
string[i] = '\0';
rl_insert_text (string);
xfree (string);
}
/* Add KEY to the buffer of characters to be read. Returns 1 if the
character was stuffed correctly; 0 otherwise. */
int
rl_stuff_char (key)
int key;
{
if (ibuffer_space () == 0)
return 0;
if (key == EOF)
{
key = NEWLINE;
rl_pending_input = EOF;
RL_SETSTATE (RL_STATE_INPUTPENDING);
}
ibuffer[push_index++] = key;
#if 0
if (push_index >= ibuffer_len)
#else
if (push_index > ibuffer_len)
#endif
push_index = 0;
return 1;
}
/* Make C be the next command to be executed. */
int
rl_execute_next (c)
int c;
{
rl_pending_input = c;
RL_SETSTATE (RL_STATE_INPUTPENDING);
return 0;
}
/* Clear any pending input pushed with rl_execute_next() */
int
rl_clear_pending_input ()
{
rl_pending_input = 0;
RL_UNSETSTATE (RL_STATE_INPUTPENDING);
return 0;
}
/* **************************************************************** */
/* */
/* Character Input */
/* */
/* **************************************************************** */
/* Read a key, including pending input. */
int
rl_read_key ()
{
int c;
rl_key_sequence_length++;
if (rl_pending_input)
{
c = rl_pending_input;
rl_clear_pending_input ();
}
else
{
/* If input is coming from a macro, then use that. */
if (c = _rl_next_macro_key ())
return (c);
/* If the user has an event function, then call it periodically. */
if (rl_event_hook)
{
while (rl_event_hook)
{
if (rl_gather_tyi () < 0) /* XXX - EIO */
{
rl_done = 1;
return ('\n');
}
RL_CHECK_SIGNALS ();
if (rl_get_char (&c) != 0)
break;
if (rl_done) /* XXX - experimental */
return ('\n');
(*rl_event_hook) ();
}
}
else
{
if (rl_get_char (&c) == 0)
c = (*rl_getc_function) (rl_instream);
RL_CHECK_SIGNALS ();
}
}
return (c);
}
int
rl_getc (stream)
FILE *stream;
{
int result;
unsigned char c;
while (1)
{
RL_CHECK_SIGNALS ();
/* We know at this point that _rl_caught_signal == 0 */
#if defined (__MINGW32__)
if (isatty (fileno (stream)))
return (getch ());
#endif
result = read (fileno (stream), &c, sizeof (unsigned char));
if (_rl_caught_signal)
{
itrace("rl_getc: caught SIGWINCH: %d", _rl_caught_signal);
_rl_caught_signal = 0;
}
if (result == sizeof (unsigned char))
return (c);
/* If zero characters are returned, then the file that we are
reading from is empty! Return EOF in that case. */
if (result == 0)
return (EOF);
#if defined (__BEOS__)
if (errno == EINTR)
continue;
#endif
#if defined (EWOULDBLOCK)
# define X_EWOULDBLOCK EWOULDBLOCK
#else
# define X_EWOULDBLOCK -99
#endif
#if defined (EAGAIN)
# define X_EAGAIN EAGAIN
#else
# define X_EAGAIN -99
#endif
if (errno == X_EWOULDBLOCK || errno == X_EAGAIN)
{
if (sh_unset_nodelay_mode (fileno (stream)) < 0)
return (EOF);
continue;
}
#undef X_EWOULDBLOCK
#undef X_EAGAIN
/* If the error that we received was EINTR, then try again,
this is simply an interrupted system call to read ().
Otherwise, some error ocurred, also signifying EOF. */
if (errno != EINTR)
return (RL_ISSTATE (RL_STATE_READCMD) ? READERR : EOF);
else if (_rl_caught_signal == SIGHUP || _rl_caught_signal == SIGTERM)
return (RL_ISSTATE (RL_STATE_READCMD) ? READERR : EOF);
else if (rl_event_hook)
(*rl_event_hook) ();
}
}
#if defined (HANDLE_MULTIBYTE)
/* read multibyte char */
int
_rl_read_mbchar (mbchar, size)
char *mbchar;
int size;
{
int mb_len, c;
size_t mbchar_bytes_length;
wchar_t wc;
mbstate_t ps, ps_back;
memset(&ps, 0, sizeof (mbstate_t));
memset(&ps_back, 0, sizeof (mbstate_t));
mb_len = 0;
while (mb_len < size)
{
RL_SETSTATE(RL_STATE_MOREINPUT);
c = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
if (c < 0)
break;
mbchar[mb_len++] = c;
mbchar_bytes_length = mbrtowc (&wc, mbchar, mb_len, &ps);
if (mbchar_bytes_length == (size_t)(-1))
break; /* invalid byte sequence for the current locale */
else if (mbchar_bytes_length == (size_t)(-2))
{
/* shorted bytes */
ps = ps_back;
continue;
}
else if (mbchar_bytes_length == 0)
{
mbchar[0] = '\0'; /* null wide character */
mb_len = 1;
break;
}
else if (mbchar_bytes_length > (size_t)(0))
break;
}
return mb_len;
}
/* Read a multibyte-character string whose first character is FIRST into
the buffer MB of length MLEN. Returns the last character read, which
may be FIRST. Used by the search functions, among others. Very similar
to _rl_read_mbchar. */
int
_rl_read_mbstring (first, mb, mlen)
int first;
char *mb;
int mlen;
{
int i, c;
mbstate_t ps;
c = first;
memset (mb, 0, mlen);
for (i = 0; c >= 0 && i < mlen; i++)
{
mb[i] = (char)c;
memset (&ps, 0, sizeof (mbstate_t));
if (_rl_get_char_len (mb, &ps) == -2)
{
/* Read more for multibyte character */
RL_SETSTATE (RL_STATE_MOREINPUT);
c = rl_read_key ();
RL_UNSETSTATE (RL_STATE_MOREINPUT);
}
else
break;
}
return c;
}
#endif /* HANDLE_MULTIBYTE */
-893
View File
@@ -1,893 +0,0 @@
/* Readline.h -- the names of functions callable from within readline. */
/* Copyright (C) 1987-2011 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
Readline is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Readline is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Readline. If not, see <http://www.gnu.org/licenses/>.
*/
#if !defined (_READLINE_H_)
#define _READLINE_H_
#ifdef __cplusplus
extern "C" {
#endif
#if defined (READLINE_LIBRARY)
# include "rlstdc.h"
# include "rltypedefs.h"
# include "keymaps.h"
# include "tilde.h"
#else
# include <readline/rlstdc.h>
# include <readline/rltypedefs.h>
# include <readline/keymaps.h>
# include <readline/tilde.h>
#endif
/* Hex-encoded Readline version number. */
#define RL_READLINE_VERSION 0x0602 /* Readline 6.2 */
#define RL_VERSION_MAJOR 6
#define RL_VERSION_MINOR 2
/* Readline data structures. */
/* Maintaining the state of undo. We remember individual deletes and inserts
on a chain of things to do. */
/* The actions that undo knows how to undo. Notice that UNDO_DELETE means
to insert some text, and UNDO_INSERT means to delete some text. I.e.,
the code tells undo what to undo, not how to undo it. */
enum undo_code { UNDO_DELETE, UNDO_INSERT, UNDO_BEGIN, UNDO_END };
/* What an element of THE_UNDO_LIST looks like. */
typedef struct undo_list {
struct undo_list *next;
int start, end; /* Where the change took place. */
char *text; /* The text to insert, if undoing a delete. */
enum undo_code what; /* Delete, Insert, Begin, End. */
} UNDO_LIST;
/* The current undo list for RL_LINE_BUFFER. */
extern UNDO_LIST *rl_undo_list;
/* The data structure for mapping textual names to code addresses. */
typedef struct _funmap {
const char *name;
rl_command_func_t *function;
} FUNMAP;
extern FUNMAP **funmap;
/* **************************************************************** */
/* */
/* Functions available to bind to key sequences */
/* */
/* **************************************************************** */
/* Bindable commands for numeric arguments. */
extern int rl_digit_argument PARAMS((int, int));
extern int rl_universal_argument PARAMS((int, int));
/* Bindable commands for moving the cursor. */
extern int rl_forward_byte PARAMS((int, int));
extern int rl_forward_char PARAMS((int, int));
extern int rl_forward PARAMS((int, int));
extern int rl_backward_byte PARAMS((int, int));
extern int rl_backward_char PARAMS((int, int));
extern int rl_backward PARAMS((int, int));
extern int rl_beg_of_line PARAMS((int, int));
extern int rl_end_of_line PARAMS((int, int));
extern int rl_forward_word PARAMS((int, int));
extern int rl_backward_word PARAMS((int, int));
extern int rl_refresh_line PARAMS((int, int));
extern int rl_clear_screen PARAMS((int, int));
extern int rl_skip_csi_sequence PARAMS((int, int));
extern int rl_arrow_keys PARAMS((int, int));
/* Bindable commands for inserting and deleting text. */
extern int rl_insert PARAMS((int, int));
extern int rl_quoted_insert PARAMS((int, int));
extern int rl_tab_insert PARAMS((int, int));
extern int rl_newline PARAMS((int, int));
extern int rl_do_lowercase_version PARAMS((int, int));
extern int rl_rubout PARAMS((int, int));
extern int rl_delete PARAMS((int, int));
extern int rl_rubout_or_delete PARAMS((int, int));
extern int rl_delete_horizontal_space PARAMS((int, int));
extern int rl_delete_or_show_completions PARAMS((int, int));
extern int rl_insert_comment PARAMS((int, int));
/* Bindable commands for changing case. */
extern int rl_upcase_word PARAMS((int, int));
extern int rl_downcase_word PARAMS((int, int));
extern int rl_capitalize_word PARAMS((int, int));
/* Bindable commands for transposing characters and words. */
extern int rl_transpose_words PARAMS((int, int));
extern int rl_transpose_chars PARAMS((int, int));
/* Bindable commands for searching within a line. */
extern int rl_char_search PARAMS((int, int));
extern int rl_backward_char_search PARAMS((int, int));
/* Bindable commands for readline's interface to the command history. */
extern int rl_beginning_of_history PARAMS((int, int));
extern int rl_end_of_history PARAMS((int, int));
extern int rl_get_next_history PARAMS((int, int));
extern int rl_get_previous_history PARAMS((int, int));
/* Bindable commands for managing the mark and region. */
extern int rl_set_mark PARAMS((int, int));
extern int rl_exchange_point_and_mark PARAMS((int, int));
/* Bindable commands to set the editing mode (emacs or vi). */
extern int rl_vi_editing_mode PARAMS((int, int));
extern int rl_emacs_editing_mode PARAMS((int, int));
/* Bindable commands to change the insert mode (insert or overwrite) */
extern int rl_overwrite_mode PARAMS((int, int));
/* Bindable commands for managing key bindings. */
extern int rl_re_read_init_file PARAMS((int, int));
extern int rl_dump_functions PARAMS((int, int));
extern int rl_dump_macros PARAMS((int, int));
extern int rl_dump_variables PARAMS((int, int));
/* Bindable commands for word completion. */
extern int rl_complete PARAMS((int, int));
extern int rl_possible_completions PARAMS((int, int));
extern int rl_insert_completions PARAMS((int, int));
extern int rl_old_menu_complete PARAMS((int, int));
extern int rl_menu_complete PARAMS((int, int));
extern int rl_backward_menu_complete PARAMS((int, int));
/* Bindable commands for killing and yanking text, and managing the kill ring. */
extern int rl_kill_word PARAMS((int, int));
extern int rl_backward_kill_word PARAMS((int, int));
extern int rl_kill_line PARAMS((int, int));
extern int rl_backward_kill_line PARAMS((int, int));
extern int rl_kill_full_line PARAMS((int, int));
extern int rl_unix_word_rubout PARAMS((int, int));
extern int rl_unix_filename_rubout PARAMS((int, int));
extern int rl_unix_line_discard PARAMS((int, int));
extern int rl_copy_region_to_kill PARAMS((int, int));
extern int rl_kill_region PARAMS((int, int));
extern int rl_copy_forward_word PARAMS((int, int));
extern int rl_copy_backward_word PARAMS((int, int));
extern int rl_yank PARAMS((int, int));
extern int rl_yank_pop PARAMS((int, int));
extern int rl_yank_nth_arg PARAMS((int, int));
extern int rl_yank_last_arg PARAMS((int, int));
/* Not available unless __CYGWIN__ is defined. */
#ifdef __CYGWIN__
extern int rl_paste_from_clipboard PARAMS((int, int));
#endif
/* Bindable commands for incremental searching. */
extern int rl_reverse_search_history PARAMS((int, int));
extern int rl_forward_search_history PARAMS((int, int));
/* Bindable keyboard macro commands. */
extern int rl_start_kbd_macro PARAMS((int, int));
extern int rl_end_kbd_macro PARAMS((int, int));
extern int rl_call_last_kbd_macro PARAMS((int, int));
/* Bindable undo commands. */
extern int rl_revert_line PARAMS((int, int));
extern int rl_undo_command PARAMS((int, int));
/* Bindable tilde expansion commands. */
extern int rl_tilde_expand PARAMS((int, int));
/* Bindable terminal control commands. */
extern int rl_restart_output PARAMS((int, int));
extern int rl_stop_output PARAMS((int, int));
/* Miscellaneous bindable commands. */
extern int rl_abort PARAMS((int, int));
extern int rl_tty_status PARAMS((int, int));
/* Bindable commands for incremental and non-incremental history searching. */
extern int rl_history_search_forward PARAMS((int, int));
extern int rl_history_search_backward PARAMS((int, int));
extern int rl_noninc_forward_search PARAMS((int, int));
extern int rl_noninc_reverse_search PARAMS((int, int));
extern int rl_noninc_forward_search_again PARAMS((int, int));
extern int rl_noninc_reverse_search_again PARAMS((int, int));
/* Bindable command used when inserting a matching close character. */
extern int rl_insert_close PARAMS((int, int));
/* Not available unless READLINE_CALLBACKS is defined. */
extern void rl_callback_handler_install PARAMS((const char *, rl_vcpfunc_t *));
extern void rl_callback_read_char PARAMS((void));
extern void rl_callback_handler_remove PARAMS((void));
/* Things for vi mode. Not available unless readline is compiled -DVI_MODE. */
/* VI-mode bindable commands. */
extern int rl_vi_redo PARAMS((int, int));
extern int rl_vi_undo PARAMS((int, int));
extern int rl_vi_yank_arg PARAMS((int, int));
extern int rl_vi_fetch_history PARAMS((int, int));
extern int rl_vi_search_again PARAMS((int, int));
extern int rl_vi_search PARAMS((int, int));
extern int rl_vi_complete PARAMS((int, int));
extern int rl_vi_tilde_expand PARAMS((int, int));
extern int rl_vi_prev_word PARAMS((int, int));
extern int rl_vi_next_word PARAMS((int, int));
extern int rl_vi_end_word PARAMS((int, int));
extern int rl_vi_insert_beg PARAMS((int, int));
extern int rl_vi_append_mode PARAMS((int, int));
extern int rl_vi_append_eol PARAMS((int, int));
extern int rl_vi_eof_maybe PARAMS((int, int));
extern int rl_vi_insertion_mode PARAMS((int, int));
extern int rl_vi_insert_mode PARAMS((int, int));
extern int rl_vi_movement_mode PARAMS((int, int));
extern int rl_vi_arg_digit PARAMS((int, int));
extern int rl_vi_change_case PARAMS((int, int));
extern int rl_vi_put PARAMS((int, int));
extern int rl_vi_column PARAMS((int, int));
extern int rl_vi_delete_to PARAMS((int, int));
extern int rl_vi_change_to PARAMS((int, int));
extern int rl_vi_yank_to PARAMS((int, int));
extern int rl_vi_rubout PARAMS((int, int));
extern int rl_vi_delete PARAMS((int, int));
extern int rl_vi_back_to_indent PARAMS((int, int));
extern int rl_vi_first_print PARAMS((int, int));
extern int rl_vi_char_search PARAMS((int, int));
extern int rl_vi_match PARAMS((int, int));
extern int rl_vi_change_char PARAMS((int, int));
extern int rl_vi_subst PARAMS((int, int));
extern int rl_vi_overstrike PARAMS((int, int));
extern int rl_vi_overstrike_delete PARAMS((int, int));
extern int rl_vi_replace PARAMS((int, int));
extern int rl_vi_set_mark PARAMS((int, int));
extern int rl_vi_goto_mark PARAMS((int, int));
/* VI-mode utility functions. */
extern int rl_vi_check PARAMS((void));
extern int rl_vi_domove PARAMS((int, int *));
extern int rl_vi_bracktype PARAMS((int));
extern void rl_vi_start_inserting PARAMS((int, int, int));
/* VI-mode pseudo-bindable commands, used as utility functions. */
extern int rl_vi_fWord PARAMS((int, int));
extern int rl_vi_bWord PARAMS((int, int));
extern int rl_vi_eWord PARAMS((int, int));
extern int rl_vi_fword PARAMS((int, int));
extern int rl_vi_bword PARAMS((int, int));
extern int rl_vi_eword PARAMS((int, int));
/* **************************************************************** */
/* */
/* Well Published Functions */
/* */
/* **************************************************************** */
/* Readline functions. */
/* Read a line of input. Prompt with PROMPT. A NULL PROMPT means none. */
extern char *readline PARAMS((const char *));
extern int rl_set_prompt PARAMS((const char *));
extern int rl_expand_prompt PARAMS((char *));
extern int rl_initialize PARAMS((void));
/* Undocumented; unused by readline */
extern int rl_discard_argument PARAMS((void));
/* Utility functions to bind keys to readline commands. */
extern int rl_add_defun PARAMS((const char *, rl_command_func_t *, int));
extern int rl_bind_key PARAMS((int, rl_command_func_t *));
extern int rl_bind_key_in_map PARAMS((int, rl_command_func_t *, Keymap));
extern int rl_unbind_key PARAMS((int));
extern int rl_unbind_key_in_map PARAMS((int, Keymap));
extern int rl_bind_key_if_unbound PARAMS((int, rl_command_func_t *));
extern int rl_bind_key_if_unbound_in_map PARAMS((int, rl_command_func_t *, Keymap));
extern int rl_unbind_function_in_map PARAMS((rl_command_func_t *, Keymap));
extern int rl_unbind_command_in_map PARAMS((const char *, Keymap));
extern int rl_bind_keyseq PARAMS((const char *, rl_command_func_t *));
extern int rl_bind_keyseq_in_map PARAMS((const char *, rl_command_func_t *, Keymap));
extern int rl_bind_keyseq_if_unbound PARAMS((const char *, rl_command_func_t *));
extern int rl_bind_keyseq_if_unbound_in_map PARAMS((const char *, rl_command_func_t *, Keymap));
extern int rl_generic_bind PARAMS((int, const char *, char *, Keymap));
extern char *rl_variable_value PARAMS((const char *));
extern int rl_variable_bind PARAMS((const char *, const char *));
/* Backwards compatibility, use rl_bind_keyseq_in_map instead. */
extern int rl_set_key PARAMS((const char *, rl_command_func_t *, Keymap));
/* Backwards compatibility, use rl_generic_bind instead. */
extern int rl_macro_bind PARAMS((const char *, const char *, Keymap));
/* Undocumented in the texinfo manual; not really useful to programs. */
extern int rl_translate_keyseq PARAMS((const char *, char *, int *));
extern char *rl_untranslate_keyseq PARAMS((int));
extern rl_command_func_t *rl_named_function PARAMS((const char *));
extern rl_command_func_t *rl_function_of_keyseq PARAMS((const char *, Keymap, int *));
extern void rl_list_funmap_names PARAMS((void));
extern char **rl_invoking_keyseqs_in_map PARAMS((rl_command_func_t *, Keymap));
extern char **rl_invoking_keyseqs PARAMS((rl_command_func_t *));
extern void rl_function_dumper PARAMS((int));
extern void rl_macro_dumper PARAMS((int));
extern void rl_variable_dumper PARAMS((int));
extern int rl_read_init_file PARAMS((const char *));
extern int rl_parse_and_bind PARAMS((char *));
/* Functions for manipulating keymaps. */
extern Keymap rl_make_bare_keymap PARAMS((void));
extern Keymap rl_copy_keymap PARAMS((Keymap));
extern Keymap rl_make_keymap PARAMS((void));
extern void rl_discard_keymap PARAMS((Keymap));
extern Keymap rl_get_keymap_by_name PARAMS((const char *));
extern char *rl_get_keymap_name PARAMS((Keymap));
extern void rl_set_keymap PARAMS((Keymap));
extern Keymap rl_get_keymap PARAMS((void));
/* Undocumented; used internally only. */
extern void rl_set_keymap_from_edit_mode PARAMS((void));
extern char *rl_get_keymap_name_from_edit_mode PARAMS((void));
/* Functions for manipulating the funmap, which maps command names to functions. */
extern int rl_add_funmap_entry PARAMS((const char *, rl_command_func_t *));
extern const char **rl_funmap_names PARAMS((void));
/* Undocumented, only used internally -- there is only one funmap, and this
function may be called only once. */
extern void rl_initialize_funmap PARAMS((void));
/* Utility functions for managing keyboard macros. */
extern void rl_push_macro_input PARAMS((char *));
/* Functions for undoing, from undo.c */
extern void rl_add_undo PARAMS((enum undo_code, int, int, char *));
extern void rl_free_undo_list PARAMS((void));
extern int rl_do_undo PARAMS((void));
extern int rl_begin_undo_group PARAMS((void));
extern int rl_end_undo_group PARAMS((void));
extern int rl_modifying PARAMS((int, int));
/* Functions for redisplay. */
extern void rl_redisplay PARAMS((void));
extern int rl_on_new_line PARAMS((void));
extern int rl_on_new_line_with_prompt PARAMS((void));
extern int rl_forced_update_display PARAMS((void));
extern int rl_clear_message PARAMS((void));
extern int rl_reset_line_state PARAMS((void));
extern int rl_crlf PARAMS((void));
#if defined (USE_VARARGS) && defined (PREFER_STDARG)
extern int rl_message (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
#else
extern int rl_message ();
#endif
extern int rl_show_char PARAMS((int));
/* Undocumented in texinfo manual. */
extern int rl_character_len PARAMS((int, int));
/* Save and restore internal prompt redisplay information. */
extern void rl_save_prompt PARAMS((void));
extern void rl_restore_prompt PARAMS((void));
/* Modifying text. */
extern void rl_replace_line PARAMS((const char *, int));
extern int rl_insert_text PARAMS((const char *));
extern int rl_delete_text PARAMS((int, int));
extern int rl_kill_text PARAMS((int, int));
extern char *rl_copy_text PARAMS((int, int));
/* Terminal and tty mode management. */
extern void rl_prep_terminal PARAMS((int));
extern void rl_deprep_terminal PARAMS((void));
extern void rl_tty_set_default_bindings PARAMS((Keymap));
extern void rl_tty_unset_default_bindings PARAMS((Keymap));
extern int rl_reset_terminal PARAMS((const char *));
extern void rl_resize_terminal PARAMS((void));
extern void rl_set_screen_size PARAMS((int, int));
extern void rl_get_screen_size PARAMS((int *, int *));
extern void rl_reset_screen_size PARAMS((void));
extern char *rl_get_termcap PARAMS((const char *));
/* Functions for character input. */
extern int rl_stuff_char PARAMS((int));
extern int rl_execute_next PARAMS((int));
extern int rl_clear_pending_input PARAMS((void));
extern int rl_read_key PARAMS((void));
extern int rl_getc PARAMS((FILE *));
extern int rl_set_keyboard_input_timeout PARAMS((int));
/* `Public' utility functions . */
extern void rl_extend_line_buffer PARAMS((int));
extern int rl_ding PARAMS((void));
extern int rl_alphabetic PARAMS((int));
extern void rl_free PARAMS((void *));
/* Readline signal handling, from signals.c */
extern int rl_set_signals PARAMS((void));
extern int rl_clear_signals PARAMS((void));
extern void rl_cleanup_after_signal PARAMS((void));
extern void rl_reset_after_signal PARAMS((void));
extern void rl_free_line_state PARAMS((void));
extern void rl_echo_signal_char PARAMS((int));
extern int rl_set_paren_blink_timeout PARAMS((int));
/* Undocumented. */
extern int rl_maybe_save_line PARAMS((void));
extern int rl_maybe_unsave_line PARAMS((void));
extern int rl_maybe_replace_line PARAMS((void));
/* Completion functions. */
extern int rl_complete_internal PARAMS((int));
extern void rl_display_match_list PARAMS((char **, int, int));
extern char **rl_completion_matches PARAMS((const char *, rl_compentry_func_t *));
extern char *rl_username_completion_function PARAMS((const char *, int));
extern char *rl_filename_completion_function PARAMS((const char *, int));
extern int rl_completion_mode PARAMS((rl_command_func_t *));
#if 0
/* Backwards compatibility (compat.c). These will go away sometime. */
extern void free_undo_list PARAMS((void));
extern int maybe_save_line PARAMS((void));
extern int maybe_unsave_line PARAMS((void));
extern int maybe_replace_line PARAMS((void));
extern int ding PARAMS((void));
extern int alphabetic PARAMS((int));
extern int crlf PARAMS((void));
extern char **completion_matches PARAMS((char *, rl_compentry_func_t *));
extern char *username_completion_function PARAMS((const char *, int));
extern char *filename_completion_function PARAMS((const char *, int));
#endif
/* **************************************************************** */
/* */
/* Well Published Variables */
/* */
/* **************************************************************** */
/* The version of this incarnation of the readline library. */
extern const char *rl_library_version; /* e.g., "4.2" */
extern int rl_readline_version; /* e.g., 0x0402 */
/* True if this is real GNU readline. */
extern int rl_gnu_readline_p;
/* Flags word encapsulating the current readline state. */
extern int rl_readline_state;
/* Says which editing mode readline is currently using. 1 means emacs mode;
0 means vi mode. */
extern int rl_editing_mode;
/* Insert or overwrite mode for emacs mode. 1 means insert mode; 0 means
overwrite mode. Reset to insert mode on each input line. */
extern int rl_insert_mode;
/* The name of the calling program. You should initialize this to
whatever was in argv[0]. It is used when parsing conditionals. */
extern const char *rl_readline_name;
/* The prompt readline uses. This is set from the argument to
readline (), and should not be assigned to directly. */
extern char *rl_prompt;
/* The prompt string that is actually displayed by rl_redisplay. Public so
applications can more easily supply their own redisplay functions. */
extern char *rl_display_prompt;
/* The line buffer that is in use. */
extern char *rl_line_buffer;
/* The location of point, and end. */
extern int rl_point;
extern int rl_end;
/* The mark, or saved cursor position. */
extern int rl_mark;
/* Flag to indicate that readline has finished with the current input
line and should return it. */
extern int rl_done;
/* If set to a character value, that will be the next keystroke read. */
extern int rl_pending_input;
/* Non-zero if we called this function from _rl_dispatch(). It's present
so functions can find out whether they were called from a key binding
or directly from an application. */
extern int rl_dispatching;
/* Non-zero if the user typed a numeric argument before executing the
current function. */
extern int rl_explicit_arg;
/* The current value of the numeric argument specified by the user. */
extern int rl_numeric_arg;
/* The address of the last command function Readline executed. */
extern rl_command_func_t *rl_last_func;
/* The name of the terminal to use. */
extern const char *rl_terminal_name;
/* The input and output streams. */
extern FILE *rl_instream;
extern FILE *rl_outstream;
/* If non-zero, Readline gives values of LINES and COLUMNS from the environment
greater precedence than values fetched from the kernel when computing the
screen dimensions. */
extern int rl_prefer_env_winsize;
/* If non-zero, then this is the address of a function to call just
before readline_internal () prints the first prompt. */
extern rl_hook_func_t *rl_startup_hook;
/* If non-zero, this is the address of a function to call just before
readline_internal_setup () returns and readline_internal starts
reading input characters. */
extern rl_hook_func_t *rl_pre_input_hook;
/* The address of a function to call periodically while Readline is
awaiting character input, or NULL, for no event handling. */
extern rl_hook_func_t *rl_event_hook;
/* The address of the function to call to fetch a character from the current
Readline input stream */
extern rl_getc_func_t *rl_getc_function;
extern rl_voidfunc_t *rl_redisplay_function;
extern rl_vintfunc_t *rl_prep_term_function;
extern rl_voidfunc_t *rl_deprep_term_function;
/* Dispatch variables. */
extern Keymap rl_executing_keymap;
extern Keymap rl_binding_keymap;
/* Display variables. */
/* If non-zero, readline will erase the entire line, including any prompt,
if the only thing typed on an otherwise-blank line is something bound to
rl_newline. */
extern int rl_erase_empty_line;
/* If non-zero, the application has already printed the prompt (rl_prompt)
before calling readline, so readline should not output it the first time
redisplay is done. */
extern int rl_already_prompted;
/* A non-zero value means to read only this many characters rather than
up to a character bound to accept-line. */
extern int rl_num_chars_to_read;
/* The text of a currently-executing keyboard macro. */
extern char *rl_executing_macro;
/* Variables to control readline signal handling. */
/* If non-zero, readline will install its own signal handlers for
SIGINT, SIGTERM, SIGQUIT, SIGALRM, SIGTSTP, SIGTTIN, and SIGTTOU. */
extern int rl_catch_signals;
/* If non-zero, readline will install a signal handler for SIGWINCH
that also attempts to call any calling application's SIGWINCH signal
handler. Note that the terminal is not cleaned up before the
application's signal handler is called; use rl_cleanup_after_signal()
to do that. */
extern int rl_catch_sigwinch;
/* Completion variables. */
/* Pointer to the generator function for completion_matches ().
NULL means to use rl_filename_completion_function (), the default
filename completer. */
extern rl_compentry_func_t *rl_completion_entry_function;
/* Optional generator for menu completion. Default is
rl_completion_entry_function (rl_filename_completion_function). */
extern rl_compentry_func_t *rl_menu_completion_entry_function;
/* If rl_ignore_some_completions_function is non-NULL it is the address
of a function to call after all of the possible matches have been
generated, but before the actual completion is done to the input line.
The function is called with one argument; a NULL terminated array
of (char *). If your function removes any of the elements, they
must be free()'ed. */
extern rl_compignore_func_t *rl_ignore_some_completions_function;
/* Pointer to alternative function to create matches.
Function is called with TEXT, START, and END.
START and END are indices in RL_LINE_BUFFER saying what the boundaries
of TEXT are.
If this function exists and returns NULL then call the value of
rl_completion_entry_function to try to match, otherwise use the
array of strings returned. */
extern rl_completion_func_t *rl_attempted_completion_function;
/* The basic list of characters that signal a break between words for the
completer routine. The initial contents of this variable is what
breaks words in the shell, i.e. "n\"\\'`@$>". */
extern const char *rl_basic_word_break_characters;
/* The list of characters that signal a break between words for
rl_complete_internal. The default list is the contents of
rl_basic_word_break_characters. */
extern /*const*/ char *rl_completer_word_break_characters;
/* Hook function to allow an application to set the completion word
break characters before readline breaks up the line. Allows
position-dependent word break characters. */
extern rl_cpvfunc_t *rl_completion_word_break_hook;
/* List of characters which can be used to quote a substring of the line.
Completion occurs on the entire substring, and within the substring
rl_completer_word_break_characters are treated as any other character,
unless they also appear within this list. */
extern const char *rl_completer_quote_characters;
/* List of quote characters which cause a word break. */
extern const char *rl_basic_quote_characters;
/* List of characters that need to be quoted in filenames by the completer. */
extern const char *rl_filename_quote_characters;
/* List of characters that are word break characters, but should be left
in TEXT when it is passed to the completion function. The shell uses
this to help determine what kind of completing to do. */
extern const char *rl_special_prefixes;
/* If non-zero, then this is the address of a function to call when
completing on a directory name. The function is called with
the address of a string (the current directory name) as an arg. It
changes what is displayed when the possible completions are printed
or inserted. The directory completion hook should perform
any necessary dequoting. This function should return 1 if it modifies
the directory name pointer passed as an argument. If the directory
completion hook returns 0, it should not modify the directory name
pointer passed as an argument. */
extern rl_icppfunc_t *rl_directory_completion_hook;
/* If non-zero, this is the address of a function to call when completing
a directory name. This function takes the address of the directory name
to be modified as an argument. Unlike rl_directory_completion_hook, it
only modifies the directory name used in opendir(2), not what is displayed
when the possible completions are printed or inserted. If set, it takes
precedence over rl_directory_completion_hook. The directory rewrite
hook should perform any necessary dequoting. This function has the same
return value properties as the directory_completion_hook.
I'm not happy with how this works yet, so it's undocumented. I'm trying
it in bash to see how well it goes. */
extern rl_icppfunc_t *rl_directory_rewrite_hook;
/* If non-zero, this is the address of a function to call when reading
directory entries from the filesystem for completion and comparing
them to the partial word to be completed. The function should
either return its first argument (if no conversion takes place) or
newly-allocated memory. This can, for instance, convert filenames
between character sets for comparison against what's typed at the
keyboard. The returned value is what is added to the list of
matches. The second argument is the length of the filename to be
converted. */
extern rl_dequote_func_t *rl_filename_rewrite_hook;
/* Backwards compatibility with previous versions of readline. */
#define rl_symbolic_link_hook rl_directory_completion_hook
/* If non-zero, then this is the address of a function to call when
completing a word would normally display the list of possible matches.
This function is called instead of actually doing the display.
It takes three arguments: (char **matches, int num_matches, int max_length)
where MATCHES is the array of strings that matched, NUM_MATCHES is the
number of strings in that array, and MAX_LENGTH is the length of the
longest string in that array. */
extern rl_compdisp_func_t *rl_completion_display_matches_hook;
/* Non-zero means that the results of the matches are to be treated
as filenames. This is ALWAYS zero on entry, and can only be changed
within a completion entry finder function. */
extern int rl_filename_completion_desired;
/* Non-zero means that the results of the matches are to be quoted using
double quotes (or an application-specific quoting mechanism) if the
filename contains any characters in rl_word_break_chars. This is
ALWAYS non-zero on entry, and can only be changed within a completion
entry finder function. */
extern int rl_filename_quoting_desired;
/* Set to a function to quote a filename in an application-specific fashion.
Called with the text to quote, the type of match found (single or multiple)
and a pointer to the quoting character to be used, which the function can
reset if desired. */
extern rl_quote_func_t *rl_filename_quoting_function;
/* Function to call to remove quoting characters from a filename. Called
before completion is attempted, so the embedded quotes do not interfere
with matching names in the file system. */
extern rl_dequote_func_t *rl_filename_dequoting_function;
/* Function to call to decide whether or not a word break character is
quoted. If a character is quoted, it does not break words for the
completer. */
extern rl_linebuf_func_t *rl_char_is_quoted_p;
/* Non-zero means to suppress normal filename completion after the
user-specified completion function has been called. */
extern int rl_attempted_completion_over;
/* Set to a character describing the type of completion being attempted by
rl_complete_internal; available for use by application completion
functions. */
extern int rl_completion_type;
/* Set to the last key used to invoke one of the completion functions */
extern int rl_completion_invoking_key;
/* Up to this many items will be displayed in response to a
possible-completions call. After that, we ask the user if she
is sure she wants to see them all. The default value is 100. */
extern int rl_completion_query_items;
/* Character appended to completed words when at the end of the line. The
default is a space. Nothing is added if this is '\0'. */
extern int rl_completion_append_character;
/* If set to non-zero by an application completion function,
rl_completion_append_character will not be appended. */
extern int rl_completion_suppress_append;
/* Set to any quote character readline thinks it finds before any application
completion function is called. */
extern int rl_completion_quote_character;
/* Set to a non-zero value if readline found quoting anywhere in the word to
be completed; set before any application completion function is called. */
extern int rl_completion_found_quote;
/* If non-zero, the completion functions don't append any closing quote.
This is set to 0 by rl_complete_internal and may be changed by an
application-specific completion function. */
extern int rl_completion_suppress_quote;
/* If non-zero, readline will sort the completion matches. On by default. */
extern int rl_sort_completion_matches;
/* If non-zero, a slash will be appended to completed filenames that are
symbolic links to directory names, subject to the value of the
mark-directories variable (which is user-settable). This exists so
that application completion functions can override the user's preference
(set via the mark-symlinked-directories variable) if appropriate.
It's set to the value of _rl_complete_mark_symlink_dirs in
rl_complete_internal before any application-specific completion
function is called, so without that function doing anything, the user's
preferences are honored. */
extern int rl_completion_mark_symlink_dirs;
/* If non-zero, then disallow duplicates in the matches. */
extern int rl_ignore_completion_duplicates;
/* If this is non-zero, completion is (temporarily) inhibited, and the
completion character will be inserted as any other. */
extern int rl_inhibit_completion;
/* Input error; can be returned by (*rl_getc_function) if readline is reading
a top-level command (RL_ISSTATE (RL_STATE_READCMD)). */
#define READERR (-2)
/* Definitions available for use by readline clients. */
#define RL_PROMPT_START_IGNORE '\001'
#define RL_PROMPT_END_IGNORE '\002'
/* Possible values for do_replace argument to rl_filename_quoting_function,
called by rl_complete_internal. */
#define NO_MATCH 0
#define SINGLE_MATCH 1
#define MULT_MATCH 2
/* Possible state values for rl_readline_state */
#define RL_STATE_NONE 0x000000 /* no state; before first call */
#define RL_STATE_INITIALIZING 0x0000001 /* initializing */
#define RL_STATE_INITIALIZED 0x0000002 /* initialization done */
#define RL_STATE_TERMPREPPED 0x0000004 /* terminal is prepped */
#define RL_STATE_READCMD 0x0000008 /* reading a command key */
#define RL_STATE_METANEXT 0x0000010 /* reading input after ESC */
#define RL_STATE_DISPATCHING 0x0000020 /* dispatching to a command */
#define RL_STATE_MOREINPUT 0x0000040 /* reading more input in a command function */
#define RL_STATE_ISEARCH 0x0000080 /* doing incremental search */
#define RL_STATE_NSEARCH 0x0000100 /* doing non-inc search */
#define RL_STATE_SEARCH 0x0000200 /* doing a history search */
#define RL_STATE_NUMERICARG 0x0000400 /* reading numeric argument */
#define RL_STATE_MACROINPUT 0x0000800 /* getting input from a macro */
#define RL_STATE_MACRODEF 0x0001000 /* defining keyboard macro */
#define RL_STATE_OVERWRITE 0x0002000 /* overwrite mode */
#define RL_STATE_COMPLETING 0x0004000 /* doing completion */
#define RL_STATE_SIGHANDLER 0x0008000 /* in readline sighandler */
#define RL_STATE_UNDOING 0x0010000 /* doing an undo */
#define RL_STATE_INPUTPENDING 0x0020000 /* rl_execute_next called */
#define RL_STATE_TTYCSAVED 0x0040000 /* tty special chars saved */
#define RL_STATE_CALLBACK 0x0080000 /* using the callback interface */
#define RL_STATE_VIMOTION 0x0100000 /* reading vi motion arg */
#define RL_STATE_MULTIKEY 0x0200000 /* reading multiple-key command */
#define RL_STATE_VICMDONCE 0x0400000 /* entered vi command mode at least once */
#define RL_STATE_REDISPLAYING 0x0800000 /* updating terminal display */
#define RL_STATE_DONE 0x1000000 /* done; accepted line */
#define RL_SETSTATE(x) (rl_readline_state |= (x))
#define RL_UNSETSTATE(x) (rl_readline_state &= ~(x))
#define RL_ISSTATE(x) (rl_readline_state & (x))
struct readline_state {
/* line state */
int point;
int end;
int mark;
char *buffer;
int buflen;
UNDO_LIST *ul;
char *prompt;
/* global state */
int rlstate;
int done;
Keymap kmap;
/* input state */
rl_command_func_t *lastfunc;
int insmode;
int edmode;
int kseqlen;
FILE *inf;
FILE *outf;
int pendingin;
char *macro;
/* signal state */
int catchsigs;
int catchsigwinch;
/* search state */
/* completion state */
/* options state */
/* reserved for future expansion, so the struct size doesn't change */
char reserved[64];
};
extern int rl_save_state PARAMS((struct readline_state *));
extern int rl_restore_state PARAMS((struct readline_state *));
#ifdef __cplusplus
}
#endif
#endif /* _READLINE_H_ */
-506
View File
@@ -1,506 +0,0 @@
/* rlprivate.h -- functions and variables global to the readline library,
but not intended for use by applications. */
/* Copyright (C) 1999-2010 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
Readline is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Readline is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Readline. If not, see <http://www.gnu.org/licenses/>.
*/
#if !defined (_RL_PRIVATE_H_)
#define _RL_PRIVATE_H_
#include "rlconf.h" /* for VISIBLE_STATS */
#include "rlstdc.h"
#include "posixjmp.h" /* defines procenv_t */
/*************************************************************************
* *
* Convenience definitions *
* *
*************************************************************************/
#define EMACS_MODE() (rl_editing_mode == emacs_mode)
#define VI_COMMAND_MODE() (rl_editing_mode == vi_mode && _rl_keymap == vi_movement_keymap)
#define VI_INSERT_MODE() (rl_editing_mode == vi_mode && _rl_keymap == vi_insertion_keymap)
#define RL_CHECK_SIGNALS() \
do { \
if (_rl_caught_signal) _rl_signal_handler (_rl_caught_signal); \
} while (0)
/*************************************************************************
* *
* Global structs undocumented in texinfo manual and not in readline.h *
* *
*************************************************************************/
/* search types */
#define RL_SEARCH_ISEARCH 0x01 /* incremental search */
#define RL_SEARCH_NSEARCH 0x02 /* non-incremental search */
#define RL_SEARCH_CSEARCH 0x04 /* intra-line char search */
/* search flags */
#define SF_REVERSE 0x01
#define SF_FOUND 0x02
#define SF_FAILED 0x04
#define SF_CHGKMAP 0x08
typedef struct __rl_search_context
{
int type;
int sflags;
char *search_string;
int search_string_index;
int search_string_size;
char **lines;
char *allocated_line;
int hlen;
int hindex;
int save_point;
int save_mark;
int save_line;
int last_found_line;
char *prev_line_found;
UNDO_LIST *save_undo_list;
Keymap keymap; /* used when dispatching commands in search string */
Keymap okeymap; /* original keymap */
int history_pos;
int direction;
int lastc;
#if defined (HANDLE_MULTIBYTE)
char mb[MB_LEN_MAX];
#endif
char *sline;
int sline_len;
int sline_index;
char *search_terminators;
} _rl_search_cxt;
/* Callback data for reading numeric arguments */
#define NUM_SAWMINUS 0x01
#define NUM_SAWDIGITS 0x02
#define NUM_READONE 0x04
typedef int _rl_arg_cxt;
/* A context for reading key sequences longer than a single character when
using the callback interface. */
#define KSEQ_DISPATCHED 0x01
#define KSEQ_SUBSEQ 0x02
#define KSEQ_RECURSIVE 0x04
typedef struct __rl_keyseq_context
{
int flags;
int subseq_arg;
int subseq_retval; /* XXX */
Keymap dmap;
Keymap oldmap;
int okey;
struct __rl_keyseq_context *ocxt;
int childval;
} _rl_keyseq_cxt;
/* vi-mode commands that use result of motion command to define boundaries */
#define VIM_DELETE 0x01
#define VIM_CHANGE 0x02
#define VIM_YANK 0x04
/* various states for vi-mode commands that use motion commands. reflects
RL_READLINE_STATE */
#define VMSTATE_READ 0x01
#define VMSTATE_NUMARG 0x02
typedef struct __rl_vimotion_context
{
int op;
int state;
int flags; /* reserved */
_rl_arg_cxt ncxt;
int numeric_arg;
int start, end; /* rl_point, rl_end */
int key, motion; /* initial key, motion command */
} _rl_vimotion_cxt;
/* fill in more as needed */
/* `Generic' callback data and functions */
typedef struct __rl_callback_generic_arg
{
int count;
int i1, i2;
/* add here as needed */
} _rl_callback_generic_arg;
typedef int _rl_callback_func_t PARAMS((_rl_callback_generic_arg *));
/*************************************************************************
* *
* Global functions undocumented in texinfo manual and not in readline.h *
* *
*************************************************************************/
/*************************************************************************
* *
* Global variables undocumented in texinfo manual and not in readline.h *
* *
*************************************************************************/
/* complete.c */
extern int rl_complete_with_tilde_expansion;
#if defined (VISIBLE_STATS)
extern int rl_visible_stats;
#endif /* VISIBLE_STATS */
/* readline.c */
extern int rl_line_buffer_len;
extern int rl_arg_sign;
extern int rl_visible_prompt_length;
extern int rl_key_sequence_length;
extern int rl_byte_oriented;
/* display.c */
extern int rl_display_fixed;
/* parens.c */
extern int rl_blink_matching_paren;
/*************************************************************************
* *
* Global functions and variables unsed and undocumented *
* *
*************************************************************************/
/* kill.c */
extern int rl_set_retained_kills PARAMS((int));
/* terminal.c */
extern void _rl_set_screen_size PARAMS((int, int));
/* undo.c */
extern int _rl_fix_last_undo_of_type PARAMS((int, int, int));
/* util.c */
extern char *_rl_savestring PARAMS((const char *));
/*************************************************************************
* *
* Functions and variables private to the readline library *
* *
*************************************************************************/
/* NOTE: Functions and variables prefixed with `_rl_' are
pseudo-global: they are global so they can be shared
between files in the readline library, but are not intended
to be visible to readline callers. */
/*************************************************************************
* Undocumented private functions *
*************************************************************************/
#if defined(READLINE_CALLBACKS)
/* readline.c */
extern void readline_internal_setup PARAMS((void));
extern char *readline_internal_teardown PARAMS((int));
extern int readline_internal_char PARAMS((void));
extern _rl_keyseq_cxt *_rl_keyseq_cxt_alloc PARAMS((void));
extern void _rl_keyseq_cxt_dispose PARAMS((_rl_keyseq_cxt *));
extern void _rl_keyseq_chain_dispose PARAMS((void));
extern int _rl_dispatch_callback PARAMS((_rl_keyseq_cxt *));
/* callback.c */
extern _rl_callback_generic_arg *_rl_callback_data_alloc PARAMS((int));
extern void _rl_callback_data_dispose PARAMS((_rl_callback_generic_arg *));
#endif /* READLINE_CALLBACKS */
/* bind.c */
/* complete.c */
extern void _rl_reset_completion_state PARAMS((void));
extern char _rl_find_completion_word PARAMS((int *, int *));
extern void _rl_free_match_list PARAMS((char **));
/* display.c */
extern char *_rl_strip_prompt PARAMS((char *));
extern void _rl_move_cursor_relative PARAMS((int, const char *));
extern void _rl_move_vert PARAMS((int));
extern void _rl_save_prompt PARAMS((void));
extern void _rl_restore_prompt PARAMS((void));
extern char *_rl_make_prompt_for_search PARAMS((int));
extern void _rl_erase_at_end_of_line PARAMS((int));
extern void _rl_clear_to_eol PARAMS((int));
extern void _rl_clear_screen PARAMS((void));
extern void _rl_update_final PARAMS((void));
extern void _rl_redisplay_after_sigwinch PARAMS((void));
extern void _rl_clean_up_for_exit PARAMS((void));
extern void _rl_erase_entire_line PARAMS((void));
extern int _rl_current_display_line PARAMS((void));
/* input.c */
extern int _rl_any_typein PARAMS((void));
extern int _rl_input_available PARAMS((void));
extern int _rl_input_queued PARAMS((int));
extern void _rl_insert_typein PARAMS((int));
extern int _rl_unget_char PARAMS((int));
extern int _rl_pushed_input_available PARAMS((void));
/* isearch.c */
extern _rl_search_cxt *_rl_scxt_alloc PARAMS((int, int));
extern void _rl_scxt_dispose PARAMS((_rl_search_cxt *, int));
extern int _rl_isearch_dispatch PARAMS((_rl_search_cxt *, int));
extern int _rl_isearch_callback PARAMS((_rl_search_cxt *));
extern int _rl_search_getchar PARAMS((_rl_search_cxt *));
/* macro.c */
extern void _rl_with_macro_input PARAMS((char *));
extern int _rl_next_macro_key PARAMS((void));
extern void _rl_push_executing_macro PARAMS((void));
extern void _rl_pop_executing_macro PARAMS((void));
extern void _rl_add_macro_char PARAMS((int));
extern void _rl_kill_kbd_macro PARAMS((void));
/* misc.c */
extern int _rl_arg_overflow PARAMS((void));
extern void _rl_arg_init PARAMS((void));
extern int _rl_arg_getchar PARAMS((void));
extern int _rl_arg_callback PARAMS((_rl_arg_cxt));
extern void _rl_reset_argument PARAMS((void));
extern void _rl_start_using_history PARAMS((void));
extern int _rl_free_saved_history_line PARAMS((void));
extern void _rl_set_insert_mode PARAMS((int, int));
extern void _rl_revert_all_lines PARAMS((void));
/* nls.c */
extern int _rl_init_eightbit PARAMS((void));
/* parens.c */
extern void _rl_enable_paren_matching PARAMS((int));
/* readline.c */
extern void _rl_init_line_state PARAMS((void));
extern void _rl_set_the_line PARAMS((void));
extern int _rl_dispatch PARAMS((int, Keymap));
extern int _rl_dispatch_subseq PARAMS((int, Keymap, int));
extern void _rl_internal_char_cleanup PARAMS((void));
/* rltty.c */
extern int _rl_disable_tty_signals PARAMS((void));
extern int _rl_restore_tty_signals PARAMS((void));
/* search.c */
extern int _rl_nsearch_callback PARAMS((_rl_search_cxt *));
/* signals.c */
extern void _rl_signal_handler PARAMS((int));
extern void _rl_block_sigint PARAMS((void));
extern void _rl_release_sigint PARAMS((void));
extern void _rl_block_sigwinch PARAMS((void));
extern void _rl_release_sigwinch PARAMS((void));
/* terminal.c */
extern void _rl_get_screen_size PARAMS((int, int));
extern int _rl_init_terminal_io PARAMS((const char *));
#ifdef _MINIX
extern void _rl_output_character_function PARAMS((int));
#else
extern int _rl_output_character_function PARAMS((int));
#endif
extern void _rl_output_some_chars PARAMS((const char *, int));
extern int _rl_backspace PARAMS((int));
extern void _rl_enable_meta_key PARAMS((void));
extern void _rl_control_keypad PARAMS((int));
extern void _rl_set_cursor PARAMS((int, int));
/* text.c */
extern void _rl_fix_point PARAMS((int));
extern int _rl_replace_text PARAMS((const char *, int, int));
extern int _rl_forward_char_internal PARAMS((int));
extern int _rl_insert_char PARAMS((int, int));
extern int _rl_overwrite_char PARAMS((int, int));
extern int _rl_overwrite_rubout PARAMS((int, int));
extern int _rl_rubout_char PARAMS((int, int));
#if defined (HANDLE_MULTIBYTE)
extern int _rl_char_search_internal PARAMS((int, int, char *, int));
#else
extern int _rl_char_search_internal PARAMS((int, int, int));
#endif
extern int _rl_set_mark_at_pos PARAMS((int));
/* undo.c */
extern UNDO_LIST *_rl_copy_undo_entry PARAMS((UNDO_LIST *));
extern UNDO_LIST *_rl_copy_undo_list PARAMS((UNDO_LIST *));
/* util.c */
#if defined (USE_VARARGS) && defined (PREFER_STDARG)
extern void _rl_ttymsg (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
extern void _rl_errmsg (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
extern void _rl_trace (const char *, ...) __attribute__((__format__ (printf, 1, 2)));
#else
extern void _rl_ttymsg ();
extern void _rl_errmsg ();
extern void _rl_trace ();
#endif
extern int _rl_tropen PARAMS((void));
extern int _rl_abort_internal PARAMS((void));
extern int _rl_null_function PARAMS((int, int));
extern char *_rl_strindex PARAMS((const char *, const char *));
extern int _rl_qsort_string_compare PARAMS((char **, char **));
extern int (_rl_uppercase_p) PARAMS((int));
extern int (_rl_lowercase_p) PARAMS((int));
extern int (_rl_pure_alphabetic) PARAMS((int));
extern int (_rl_digit_p) PARAMS((int));
extern int (_rl_to_lower) PARAMS((int));
extern int (_rl_to_upper) PARAMS((int));
extern int (_rl_digit_value) PARAMS((int));
/* vi_mode.c */
extern void _rl_vi_initialize_line PARAMS((void));
extern void _rl_vi_reset_last PARAMS((void));
extern void _rl_vi_set_last PARAMS((int, int, int));
extern int _rl_vi_textmod_command PARAMS((int));
extern void _rl_vi_done_inserting PARAMS((void));
extern int _rl_vi_domove_callback PARAMS((_rl_vimotion_cxt *));
/*************************************************************************
* Undocumented private variables *
*************************************************************************/
/* bind.c */
extern const char * const _rl_possible_control_prefixes[];
extern const char * const _rl_possible_meta_prefixes[];
/* callback.c */
extern _rl_callback_func_t *_rl_callback_func;
extern _rl_callback_generic_arg *_rl_callback_data;
/* complete.c */
extern int _rl_complete_show_all;
extern int _rl_complete_show_unmodified;
extern int _rl_complete_mark_directories;
extern int _rl_complete_mark_symlink_dirs;
extern int _rl_completion_prefix_display_length;
extern int _rl_completion_columns;
extern int _rl_print_completions_horizontally;
extern int _rl_completion_case_fold;
extern int _rl_completion_case_map;
extern int _rl_match_hidden_files;
extern int _rl_page_completions;
extern int _rl_skip_completed_text;
extern int _rl_menu_complete_prefix_first;
/* display.c */
extern int _rl_vis_botlin;
extern int _rl_last_c_pos;
extern int _rl_suppress_redisplay;
extern int _rl_want_redisplay;
/* isearch.c */
extern char *_rl_isearch_terminators;
extern _rl_search_cxt *_rl_iscxt;
/* macro.c */
extern char *_rl_executing_macro;
/* misc.c */
extern int _rl_history_preserve_point;
extern int _rl_history_saved_point;
extern _rl_arg_cxt _rl_argcxt;
/* readline.c */
extern int _rl_echoing_p;
extern int _rl_horizontal_scroll_mode;
extern int _rl_mark_modified_lines;
extern int _rl_bell_preference;
extern int _rl_meta_flag;
extern int _rl_convert_meta_chars_to_ascii;
extern int _rl_output_meta_chars;
extern int _rl_bind_stty_chars;
extern int _rl_revert_all_at_newline;
extern int _rl_echo_control_chars;
extern char *_rl_comment_begin;
extern unsigned char _rl_parsing_conditionalized_out;
extern Keymap _rl_keymap;
extern FILE *_rl_in_stream;
extern FILE *_rl_out_stream;
extern int _rl_last_command_was_kill;
extern int _rl_eof_char;
extern procenv_t _rl_top_level;
extern _rl_keyseq_cxt *_rl_kscxt;
/* search.c */
extern _rl_search_cxt *_rl_nscxt;
/* signals.c */
extern int _rl_interrupt_immediately;
extern int volatile _rl_caught_signal;
extern int _rl_echoctl;
extern int _rl_intr_char;
extern int _rl_quit_char;
extern int _rl_susp_char;
/* terminal.c */
extern int _rl_enable_keypad;
extern int _rl_enable_meta;
extern char *_rl_term_clreol;
extern char *_rl_term_clrpag;
extern char *_rl_term_im;
extern char *_rl_term_ic;
extern char *_rl_term_ei;
extern char *_rl_term_DC;
extern char *_rl_term_up;
extern char *_rl_term_dc;
extern char *_rl_term_cr;
extern char *_rl_term_IC;
extern char *_rl_term_forward_char;
extern int _rl_screenheight;
extern int _rl_screenwidth;
extern int _rl_screenchars;
extern int _rl_terminal_can_insert;
extern int _rl_term_autowrap;
/* undo.c */
extern int _rl_doing_an_undo;
extern int _rl_undo_group_level;
/* vi_mode.c */
extern int _rl_vi_last_command;
extern _rl_vimotion_cxt *_rl_vimvcxt;
#endif /* _RL_PRIVATE_H_ */
-45
View File
@@ -1,45 +0,0 @@
/* stdc.h -- macros to make source compile on both ANSI C and K&R C compilers. */
/* Copyright (C) 1993-2009 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
Readline is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Readline is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Readline. If not, see <http://www.gnu.org/licenses/>.
*/
#if !defined (_RL_STDC_H_)
#define _RL_STDC_H_
/* Adapted from BSD /usr/include/sys/cdefs.h. */
/* A function can be defined using prototypes and compile on both ANSI C
and traditional C compilers with something like this:
extern char *func PARAMS((char *, char *, int)); */
#if !defined (PARAMS)
# if defined (__STDC__) || defined (__GNUC__) || defined (__cplusplus)
# define PARAMS(protos) protos
# else
# define PARAMS(protos) ()
# endif
#endif
#ifndef __attribute__
# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8)
# define __attribute__(x)
# endif
#endif
#endif /* !_RL_STDC_H_ */
-975
View File
@@ -1,975 +0,0 @@
/* rltty.c -- functions to prepare and restore the terminal for readline's
use. */
/* Copyright (C) 1992-2005 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
Readline is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Readline is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Readline. If not, see <http://www.gnu.org/licenses/>.
*/
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
# include <config.h>
#endif
#include <sys/types.h>
#include <signal.h>
#include <errno.h>
#include <stdio.h>
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif /* HAVE_UNISTD_H */
#include "rldefs.h"
#if defined (GWINSZ_IN_SYS_IOCTL)
# include <sys/ioctl.h>
#endif /* GWINSZ_IN_SYS_IOCTL */
#include "rltty.h"
#include "readline.h"
#include "rlprivate.h"
#if !defined (errno)
extern int errno;
#endif /* !errno */
rl_vintfunc_t *rl_prep_term_function = rl_prep_terminal;
rl_voidfunc_t *rl_deprep_term_function = rl_deprep_terminal;
static void set_winsize PARAMS((int));
/* **************************************************************** */
/* */
/* Saving and Restoring the TTY */
/* */
/* **************************************************************** */
/* Non-zero means that the terminal is in a prepped state. */
static int terminal_prepped;
static _RL_TTY_CHARS _rl_tty_chars, _rl_last_tty_chars;
/* If non-zero, means that this process has called tcflow(fd, TCOOFF)
and output is suspended. */
#if defined (__ksr1__)
static int ksrflow;
#endif
/* Dummy call to force a backgrounded readline to stop before it tries
to get the tty settings. */
static void
set_winsize (tty)
int tty;
{
#if defined (TIOCGWINSZ)
struct winsize w;
if (ioctl (tty, TIOCGWINSZ, &w) == 0)
(void) ioctl (tty, TIOCSWINSZ, &w);
#endif /* TIOCGWINSZ */
}
#if defined (NO_TTY_DRIVER)
/* Nothing */
#elif defined (NEW_TTY_DRIVER)
/* Values for the `flags' field of a struct bsdtty. This tells which
elements of the struct bsdtty have been fetched from the system and
are valid. */
#define SGTTY_SET 0x01
#define LFLAG_SET 0x02
#define TCHARS_SET 0x04
#define LTCHARS_SET 0x08
struct bsdtty {
struct sgttyb sgttyb; /* Basic BSD tty driver information. */
int lflag; /* Local mode flags, like LPASS8. */
#if defined (TIOCGETC)
struct tchars tchars; /* Terminal special characters, including ^S and ^Q. */
#endif
#if defined (TIOCGLTC)
struct ltchars ltchars; /* 4.2 BSD editing characters */
#endif
int flags; /* Bitmap saying which parts of the struct are valid. */
};
#define TIOTYPE struct bsdtty
static TIOTYPE otio;
static void save_tty_chars PARAMS((TIOTYPE *));
static int _get_tty_settings PARAMS((int, TIOTYPE *));
static int get_tty_settings PARAMS((int, TIOTYPE *));
static int _set_tty_settings PARAMS((int, TIOTYPE *));
static int set_tty_settings PARAMS((int, TIOTYPE *));
static void prepare_terminal_settings PARAMS((int, TIOTYPE, TIOTYPE *));
static void set_special_char PARAMS((Keymap, TIOTYPE *, int, rl_command_func_t));
static void
save_tty_chars (tiop)
TIOTYPE *tiop;
{
_rl_last_tty_chars = _rl_tty_chars;
if (tiop->flags & SGTTY_SET)
{
_rl_tty_chars.t_erase = tiop->sgttyb.sg_erase;
_rl_tty_chars.t_kill = tiop->sgttyb.sg_kill;
}
if (tiop->flags & TCHARS_SET)
{
_rl_intr_char = _rl_tty_chars.t_intr = tiop->tchars.t_intrc;
_rl_quit_char = _rl_tty_chars.t_quit = tiop->tchars.t_quitc;
_rl_tty_chars.t_start = tiop->tchars.t_startc;
_rl_tty_chars.t_stop = tiop->tchars.t_stopc;
_rl_tty_chars.t_eof = tiop->tchars.t_eofc;
_rl_tty_chars.t_eol = '\n';
_rl_tty_chars.t_eol2 = tiop->tchars.t_brkc;
}
if (tiop->flags & LTCHARS_SET)
{
_rl_susp_char = _rl_tty_chars.t_susp = tiop->ltchars.t_suspc;
_rl_tty_chars.t_dsusp = tiop->ltchars.t_dsuspc;
_rl_tty_chars.t_reprint = tiop->ltchars.t_rprntc;
_rl_tty_chars.t_flush = tiop->ltchars.t_flushc;
_rl_tty_chars.t_werase = tiop->ltchars.t_werasc;
_rl_tty_chars.t_lnext = tiop->ltchars.t_lnextc;
}
_rl_tty_chars.t_status = -1;
}
static int
get_tty_settings (tty, tiop)
int tty;
TIOTYPE *tiop;
{
set_winsize (tty);
tiop->flags = tiop->lflag = 0;
errno = 0;
if (ioctl (tty, TIOCGETP, &(tiop->sgttyb)) < 0)
return -1;
tiop->flags |= SGTTY_SET;
#if defined (TIOCLGET)
if (ioctl (tty, TIOCLGET, &(tiop->lflag)) == 0)
tiop->flags |= LFLAG_SET;
#endif
#if defined (TIOCGETC)
if (ioctl (tty, TIOCGETC, &(tiop->tchars)) == 0)
tiop->flags |= TCHARS_SET;
#endif
#if defined (TIOCGLTC)
if (ioctl (tty, TIOCGLTC, &(tiop->ltchars)) == 0)
tiop->flags |= LTCHARS_SET;
#endif
return 0;
}
static int
set_tty_settings (tty, tiop)
int tty;
TIOTYPE *tiop;
{
if (tiop->flags & SGTTY_SET)
{
ioctl (tty, TIOCSETN, &(tiop->sgttyb));
tiop->flags &= ~SGTTY_SET;
}
_rl_echoing_p = 1;
#if defined (TIOCLSET)
if (tiop->flags & LFLAG_SET)
{
ioctl (tty, TIOCLSET, &(tiop->lflag));
tiop->flags &= ~LFLAG_SET;
}
#endif
#if defined (TIOCSETC)
if (tiop->flags & TCHARS_SET)
{
ioctl (tty, TIOCSETC, &(tiop->tchars));
tiop->flags &= ~TCHARS_SET;
}
#endif
#if defined (TIOCSLTC)
if (tiop->flags & LTCHARS_SET)
{
ioctl (tty, TIOCSLTC, &(tiop->ltchars));
tiop->flags &= ~LTCHARS_SET;
}
#endif
return 0;
}
static void
prepare_terminal_settings (meta_flag, oldtio, tiop)
int meta_flag;
TIOTYPE oldtio, *tiop;
{
_rl_echoing_p = (oldtio.sgttyb.sg_flags & ECHO);
_rl_echoctl = (oldtio.sgttyb.sg_flags & ECHOCTL);
/* Copy the original settings to the structure we're going to use for
our settings. */
tiop->sgttyb = oldtio.sgttyb;
tiop->lflag = oldtio.lflag;
#if defined (TIOCGETC)
tiop->tchars = oldtio.tchars;
#endif
#if defined (TIOCGLTC)
tiop->ltchars = oldtio.ltchars;
#endif
tiop->flags = oldtio.flags;
/* First, the basic settings to put us into character-at-a-time, no-echo
input mode. */
tiop->sgttyb.sg_flags &= ~(ECHO | CRMOD);
tiop->sgttyb.sg_flags |= CBREAK;
/* If this terminal doesn't care how the 8th bit is used, then we can
use it for the meta-key. If only one of even or odd parity is
specified, then the terminal is using parity, and we cannot. */
#if !defined (ANYP)
# define ANYP (EVENP | ODDP)
#endif
if (((oldtio.sgttyb.sg_flags & ANYP) == ANYP) ||
((oldtio.sgttyb.sg_flags & ANYP) == 0))
{
tiop->sgttyb.sg_flags |= ANYP;
/* Hack on local mode flags if we can. */
#if defined (TIOCLGET)
# if defined (LPASS8)
tiop->lflag |= LPASS8;
# endif /* LPASS8 */
#endif /* TIOCLGET */
}
#if defined (TIOCGETC)
# if defined (USE_XON_XOFF)
/* Get rid of terminal output start and stop characters. */
tiop->tchars.t_stopc = -1; /* C-s */
tiop->tchars.t_startc = -1; /* C-q */
/* If there is an XON character, bind it to restart the output. */
if (oldtio.tchars.t_startc != -1)
rl_bind_key (oldtio.tchars.t_startc, rl_restart_output);
# endif /* USE_XON_XOFF */
/* If there is an EOF char, bind _rl_eof_char to it. */
if (oldtio.tchars.t_eofc != -1)
_rl_eof_char = oldtio.tchars.t_eofc;
# if defined (NO_KILL_INTR)
/* Get rid of terminal-generated SIGQUIT and SIGINT. */
tiop->tchars.t_quitc = -1; /* C-\ */
tiop->tchars.t_intrc = -1; /* C-c */
# endif /* NO_KILL_INTR */
#endif /* TIOCGETC */
#if defined (TIOCGLTC)
/* Make the interrupt keys go away. Just enough to make people happy. */
tiop->ltchars.t_dsuspc = -1; /* C-y */
tiop->ltchars.t_lnextc = -1; /* C-v */
#endif /* TIOCGLTC */
}
#else /* !defined (NEW_TTY_DRIVER) */
#if !defined (VMIN)
# define VMIN VEOF
#endif
#if !defined (VTIME)
# define VTIME VEOL
#endif
#if defined (TERMIOS_TTY_DRIVER)
# define TIOTYPE struct termios
# define DRAIN_OUTPUT(fd) tcdrain (fd)
# define GETATTR(tty, tiop) (tcgetattr (tty, tiop))
# ifdef M_UNIX
# define SETATTR(tty, tiop) (tcsetattr (tty, TCSANOW, tiop))
# else
# define SETATTR(tty, tiop) (tcsetattr (tty, TCSADRAIN, tiop))
# endif /* !M_UNIX */
#else
# define TIOTYPE struct termio
# define DRAIN_OUTPUT(fd)
# define GETATTR(tty, tiop) (ioctl (tty, TCGETA, tiop))
# define SETATTR(tty, tiop) (ioctl (tty, TCSETAW, tiop))
#endif /* !TERMIOS_TTY_DRIVER */
static TIOTYPE otio;
static void save_tty_chars PARAMS((TIOTYPE *));
static int _get_tty_settings PARAMS((int, TIOTYPE *));
static int get_tty_settings PARAMS((int, TIOTYPE *));
static int _set_tty_settings PARAMS((int, TIOTYPE *));
static int set_tty_settings PARAMS((int, TIOTYPE *));
static void prepare_terminal_settings PARAMS((int, TIOTYPE, TIOTYPE *));
static void set_special_char PARAMS((Keymap, TIOTYPE *, int, rl_command_func_t));
static void _rl_bind_tty_special_chars PARAMS((Keymap, TIOTYPE));
#if defined (FLUSHO)
# define OUTPUT_BEING_FLUSHED(tp) (tp->c_lflag & FLUSHO)
#else
# define OUTPUT_BEING_FLUSHED(tp) 0
#endif
static void
save_tty_chars (tiop)
TIOTYPE *tiop;
{
_rl_last_tty_chars = _rl_tty_chars;
_rl_tty_chars.t_eof = tiop->c_cc[VEOF];
_rl_tty_chars.t_eol = tiop->c_cc[VEOL];
#ifdef VEOL2
_rl_tty_chars.t_eol2 = tiop->c_cc[VEOL2];
#endif
_rl_tty_chars.t_erase = tiop->c_cc[VERASE];
#ifdef VWERASE
_rl_tty_chars.t_werase = tiop->c_cc[VWERASE];
#endif
_rl_tty_chars.t_kill = tiop->c_cc[VKILL];
#ifdef VREPRINT
_rl_tty_chars.t_reprint = tiop->c_cc[VREPRINT];
#endif
_rl_intr_char = _rl_tty_chars.t_intr = tiop->c_cc[VINTR];
_rl_quit_char = _rl_tty_chars.t_quit = tiop->c_cc[VQUIT];
#ifdef VSUSP
_rl_susp_char = _rl_tty_chars.t_susp = tiop->c_cc[VSUSP];
#endif
#ifdef VDSUSP
_rl_tty_chars.t_dsusp = tiop->c_cc[VDSUSP];
#endif
#ifdef VSTART
_rl_tty_chars.t_start = tiop->c_cc[VSTART];
#endif
#ifdef VSTOP
_rl_tty_chars.t_stop = tiop->c_cc[VSTOP];
#endif
#ifdef VLNEXT
_rl_tty_chars.t_lnext = tiop->c_cc[VLNEXT];
#endif
#ifdef VDISCARD
_rl_tty_chars.t_flush = tiop->c_cc[VDISCARD];
#endif
#ifdef VSTATUS
_rl_tty_chars.t_status = tiop->c_cc[VSTATUS];
#endif
}
#if defined (_AIX) || defined (_AIX41)
/* Currently this is only used on AIX */
static void
rltty_warning (msg)
char *msg;
{
_rl_errmsg ("warning: %s", msg);
}
#endif
#if defined (_AIX)
void
setopost(tp)
TIOTYPE *tp;
{
if ((tp->c_oflag & OPOST) == 0)
{
_rl_errmsg ("warning: turning on OPOST for terminal\r");
tp->c_oflag |= OPOST|ONLCR;
}
}
#endif
static int
_get_tty_settings (tty, tiop)
int tty;
TIOTYPE *tiop;
{
int ioctl_ret;
while (1)
{
ioctl_ret = GETATTR (tty, tiop);
if (ioctl_ret < 0)
{
if (errno != EINTR)
return -1;
else
continue;
}
if (OUTPUT_BEING_FLUSHED (tiop))
{
#if defined (FLUSHO)
_rl_errmsg ("warning: turning off output flushing");
tiop->c_lflag &= ~FLUSHO;
break;
#else
continue;
#endif
}
break;
}
return 0;
}
static int
get_tty_settings (tty, tiop)
int tty;
TIOTYPE *tiop;
{
set_winsize (tty);
errno = 0;
if (_get_tty_settings (tty, tiop) < 0)
return -1;
#if defined (_AIX)
setopost(tiop);
#endif
return 0;
}
static int
_set_tty_settings (tty, tiop)
int tty;
TIOTYPE *tiop;
{
while (SETATTR (tty, tiop) < 0)
{
if (errno != EINTR)
return -1;
errno = 0;
}
return 0;
}
static int
set_tty_settings (tty, tiop)
int tty;
TIOTYPE *tiop;
{
if (_set_tty_settings (tty, tiop) < 0)
return -1;
#if 0
#if defined (TERMIOS_TTY_DRIVER)
# if defined (__ksr1__)
if (ksrflow)
{
ksrflow = 0;
tcflow (tty, TCOON);
}
# else /* !ksr1 */
tcflow (tty, TCOON); /* Simulate a ^Q. */
# endif /* !ksr1 */
#else
ioctl (tty, TCXONC, 1); /* Simulate a ^Q. */
#endif /* !TERMIOS_TTY_DRIVER */
#endif /* 0 */
return 0;
}
static void
prepare_terminal_settings (meta_flag, oldtio, tiop)
int meta_flag;
TIOTYPE oldtio, *tiop;
{
_rl_echoing_p = (oldtio.c_lflag & ECHO);
#if defined (ECHOCTL)
_rl_echoctl = (oldtio.c_lflag & ECHOCTL);
#endif
tiop->c_lflag &= ~(ICANON | ECHO);
if ((unsigned char) oldtio.c_cc[VEOF] != (unsigned char) _POSIX_VDISABLE)
_rl_eof_char = oldtio.c_cc[VEOF];
#if defined (USE_XON_XOFF)
#if defined (IXANY)
tiop->c_iflag &= ~(IXON | IXOFF | IXANY);
#else
/* `strict' Posix systems do not define IXANY. */
tiop->c_iflag &= ~(IXON | IXOFF);
#endif /* IXANY */
#endif /* USE_XON_XOFF */
/* Only turn this off if we are using all 8 bits. */
if (((tiop->c_cflag & CSIZE) == CS8) || meta_flag)
tiop->c_iflag &= ~(ISTRIP | INPCK);
/* Make sure we differentiate between CR and NL on input. */
tiop->c_iflag &= ~(ICRNL | INLCR);
#if !defined (HANDLE_SIGNALS)
tiop->c_lflag &= ~ISIG;
#else
tiop->c_lflag |= ISIG;
#endif
tiop->c_cc[VMIN] = 1;
tiop->c_cc[VTIME] = 0;
#if defined (FLUSHO)
if (OUTPUT_BEING_FLUSHED (tiop))
{
tiop->c_lflag &= ~FLUSHO;
oldtio.c_lflag &= ~FLUSHO;
}
#endif
/* Turn off characters that we need on Posix systems with job control,
just to be sure. This includes ^Y and ^V. This should not really
be necessary. */
#if defined (TERMIOS_TTY_DRIVER) && defined (_POSIX_VDISABLE)
#if defined (VLNEXT)
tiop->c_cc[VLNEXT] = _POSIX_VDISABLE;
#endif
#if defined (VDSUSP)
tiop->c_cc[VDSUSP] = _POSIX_VDISABLE;
#endif
#endif /* TERMIOS_TTY_DRIVER && _POSIX_VDISABLE */
}
#endif /* !NEW_TTY_DRIVER */
/* Put the terminal in CBREAK mode so that we can detect key presses. */
#if defined (NO_TTY_DRIVER)
void
rl_prep_terminal (meta_flag)
int meta_flag;
{
_rl_echoing_p = 1;
}
void
rl_deprep_terminal ()
{
}
#else /* ! NO_TTY_DRIVER */
void
rl_prep_terminal (meta_flag)
int meta_flag;
{
int tty;
TIOTYPE tio;
if (terminal_prepped)
return;
/* Try to keep this function from being INTerrupted. */
_rl_block_sigint ();
tty = rl_instream ? fileno (rl_instream) : fileno (stdin);
if (get_tty_settings (tty, &tio) < 0)
{
#if defined (ENOTSUP)
/* MacOS X and Linux, at least, lie about the value of errno if
tcgetattr fails. */
if (errno == ENOTTY || errno == EINVAL || errno == ENOTSUP)
#else
if (errno == ENOTTY || errno == EINVAL)
#endif
_rl_echoing_p = 1; /* XXX */
_rl_release_sigint ();
return;
}
otio = tio;
if (_rl_bind_stty_chars)
{
#if defined (VI_MODE)
/* If editing in vi mode, make sure we restore the bindings in the
insertion keymap no matter what keymap we ended up in. */
if (rl_editing_mode == vi_mode)
rl_tty_unset_default_bindings (vi_insertion_keymap);
else
#endif
rl_tty_unset_default_bindings (_rl_keymap);
}
save_tty_chars (&otio);
RL_SETSTATE(RL_STATE_TTYCSAVED);
if (_rl_bind_stty_chars)
{
#if defined (VI_MODE)
/* If editing in vi mode, make sure we set the bindings in the
insertion keymap no matter what keymap we ended up in. */
if (rl_editing_mode == vi_mode)
_rl_bind_tty_special_chars (vi_insertion_keymap, tio);
else
#endif
_rl_bind_tty_special_chars (_rl_keymap, tio);
}
prepare_terminal_settings (meta_flag, otio, &tio);
if (set_tty_settings (tty, &tio) < 0)
{
_rl_release_sigint ();
return;
}
if (_rl_enable_keypad)
_rl_control_keypad (1);
fflush (rl_outstream);
terminal_prepped = 1;
RL_SETSTATE(RL_STATE_TERMPREPPED);
_rl_release_sigint ();
}
/* Restore the terminal's normal settings and modes. */
void
rl_deprep_terminal ()
{
int tty;
if (!terminal_prepped)
return;
/* Try to keep this function from being interrupted. */
_rl_block_sigint ();
tty = rl_instream ? fileno (rl_instream) : fileno (stdout);
if (_rl_enable_keypad)
_rl_control_keypad (0);
fflush (rl_outstream);
if (set_tty_settings (tty, &otio) < 0)
{
_rl_release_sigint ();
return;
}
terminal_prepped = 0;
RL_UNSETSTATE(RL_STATE_TERMPREPPED);
_rl_release_sigint ();
}
#endif /* !NO_TTY_DRIVER */
/* **************************************************************** */
/* */
/* Bogus Flow Control */
/* */
/* **************************************************************** */
int
rl_restart_output (count, key)
int count, key;
{
#if defined (__MINGW32__)
return 0;
#else /* !__MING32__ */
int fildes = fileno (rl_outstream);
#if defined (TIOCSTART)
#if defined (apollo)
ioctl (&fildes, TIOCSTART, 0);
#else
ioctl (fildes, TIOCSTART, 0);
#endif /* apollo */
#else /* !TIOCSTART */
# if defined (TERMIOS_TTY_DRIVER)
# if defined (__ksr1__)
if (ksrflow)
{
ksrflow = 0;
tcflow (fildes, TCOON);
}
# else /* !ksr1 */
tcflow (fildes, TCOON); /* Simulate a ^Q. */
# endif /* !ksr1 */
# else /* !TERMIOS_TTY_DRIVER */
# if defined (TCXONC)
ioctl (fildes, TCXONC, TCOON);
# endif /* TCXONC */
# endif /* !TERMIOS_TTY_DRIVER */
#endif /* !TIOCSTART */
return 0;
#endif /* !__MINGW32__ */
}
int
rl_stop_output (count, key)
int count, key;
{
#if defined (__MINGW32__)
return 0;
#else
int fildes = fileno (rl_instream);
#if defined (TIOCSTOP)
# if defined (apollo)
ioctl (&fildes, TIOCSTOP, 0);
# else
ioctl (fildes, TIOCSTOP, 0);
# endif /* apollo */
#else /* !TIOCSTOP */
# if defined (TERMIOS_TTY_DRIVER)
# if defined (__ksr1__)
ksrflow = 1;
# endif /* ksr1 */
tcflow (fildes, TCOOFF);
# else
# if defined (TCXONC)
ioctl (fildes, TCXONC, TCOON);
# endif /* TCXONC */
# endif /* !TERMIOS_TTY_DRIVER */
#endif /* !TIOCSTOP */
return 0;
#endif /* !__MINGW32__ */
}
/* **************************************************************** */
/* */
/* Default Key Bindings */
/* */
/* **************************************************************** */
#if !defined (NO_TTY_DRIVER)
#define SET_SPECIAL(sc, func) set_special_char(kmap, &ttybuff, sc, func)
#endif
#if defined (NO_TTY_DRIVER)
#define SET_SPECIAL(sc, func)
#define RESET_SPECIAL(c)
#elif defined (NEW_TTY_DRIVER)
static void
set_special_char (kmap, tiop, sc, func)
Keymap kmap;
TIOTYPE *tiop;
int sc;
rl_command_func_t *func;
{
if (sc != -1 && kmap[(unsigned char)sc].type == ISFUNC)
kmap[(unsigned char)sc].function = func;
}
#define RESET_SPECIAL(c) \
if (c != -1 && kmap[(unsigned char)c].type == ISFUNC) \
kmap[(unsigned char)c].function = rl_insert;
static void
_rl_bind_tty_special_chars (kmap, ttybuff)
Keymap kmap;
TIOTYPE ttybuff;
{
if (ttybuff.flags & SGTTY_SET)
{
SET_SPECIAL (ttybuff.sgttyb.sg_erase, rl_rubout);
SET_SPECIAL (ttybuff.sgttyb.sg_kill, rl_unix_line_discard);
}
# if defined (TIOCGLTC)
if (ttybuff.flags & LTCHARS_SET)
{
SET_SPECIAL (ttybuff.ltchars.t_werasc, rl_unix_word_rubout);
SET_SPECIAL (ttybuff.ltchars.t_lnextc, rl_quoted_insert);
}
# endif /* TIOCGLTC */
}
#else /* !NEW_TTY_DRIVER */
static void
set_special_char (kmap, tiop, sc, func)
Keymap kmap;
TIOTYPE *tiop;
int sc;
rl_command_func_t *func;
{
unsigned char uc;
uc = tiop->c_cc[sc];
if (uc != (unsigned char)_POSIX_VDISABLE && kmap[uc].type == ISFUNC)
kmap[uc].function = func;
}
/* used later */
#define RESET_SPECIAL(uc) \
if (uc != (unsigned char)_POSIX_VDISABLE && kmap[uc].type == ISFUNC) \
kmap[uc].function = rl_insert;
static void
_rl_bind_tty_special_chars (kmap, ttybuff)
Keymap kmap;
TIOTYPE ttybuff;
{
SET_SPECIAL (VERASE, rl_rubout);
SET_SPECIAL (VKILL, rl_unix_line_discard);
# if defined (VLNEXT) && defined (TERMIOS_TTY_DRIVER)
SET_SPECIAL (VLNEXT, rl_quoted_insert);
# endif /* VLNEXT && TERMIOS_TTY_DRIVER */
# if defined (VWERASE) && defined (TERMIOS_TTY_DRIVER)
SET_SPECIAL (VWERASE, rl_unix_word_rubout);
# endif /* VWERASE && TERMIOS_TTY_DRIVER */
}
#endif /* !NEW_TTY_DRIVER */
/* Set the system's default editing characters to their readline equivalents
in KMAP. Should be static, now that we have rl_tty_set_default_bindings. */
void
rltty_set_default_bindings (kmap)
Keymap kmap;
{
#if !defined (NO_TTY_DRIVER)
TIOTYPE ttybuff;
int tty;
tty = fileno (rl_instream);
if (get_tty_settings (tty, &ttybuff) == 0)
_rl_bind_tty_special_chars (kmap, ttybuff);
#endif
}
/* New public way to set the system default editing chars to their readline
equivalents. */
void
rl_tty_set_default_bindings (kmap)
Keymap kmap;
{
rltty_set_default_bindings (kmap);
}
/* Rebind all of the tty special chars that readline worries about back
to self-insert. Call this before saving the current terminal special
chars with save_tty_chars(). This only works on POSIX termios or termio
systems. */
void
rl_tty_unset_default_bindings (kmap)
Keymap kmap;
{
/* Don't bother before we've saved the tty special chars at least once. */
if (RL_ISSTATE(RL_STATE_TTYCSAVED) == 0)
return;
RESET_SPECIAL (_rl_tty_chars.t_erase);
RESET_SPECIAL (_rl_tty_chars.t_kill);
# if defined (VLNEXT) && defined (TERMIOS_TTY_DRIVER)
RESET_SPECIAL (_rl_tty_chars.t_lnext);
# endif /* VLNEXT && TERMIOS_TTY_DRIVER */
# if defined (VWERASE) && defined (TERMIOS_TTY_DRIVER)
RESET_SPECIAL (_rl_tty_chars.t_werase);
# endif /* VWERASE && TERMIOS_TTY_DRIVER */
}
#if defined (HANDLE_SIGNALS)
#if defined (NEW_TTY_DRIVER) || defined (NO_TTY_DRIVER)
int
_rl_disable_tty_signals ()
{
return 0;
}
int
_rl_restore_tty_signals ()
{
return 0;
}
#else
static TIOTYPE sigstty, nosigstty;
static int tty_sigs_disabled = 0;
int
_rl_disable_tty_signals ()
{
if (tty_sigs_disabled)
return 0;
if (_get_tty_settings (fileno (rl_instream), &sigstty) < 0)
return -1;
nosigstty = sigstty;
nosigstty.c_lflag &= ~ISIG;
nosigstty.c_iflag &= ~IXON;
if (_set_tty_settings (fileno (rl_instream), &nosigstty) < 0)
return (_set_tty_settings (fileno (rl_instream), &sigstty));
tty_sigs_disabled = 1;
return 0;
}
int
_rl_restore_tty_signals ()
{
int r;
if (tty_sigs_disabled == 0)
return 0;
r = _set_tty_settings (fileno (rl_instream), &sigstty);
if (r == 0)
tty_sigs_disabled = 0;
return r;
}
#endif /* !NEW_TTY_DRIVER */
#endif /* HANDLE_SIGNALS */
-93
View File
@@ -1,93 +0,0 @@
/* rltypedefs.h -- Type declarations for readline functions. */
/* Copyright (C) 2000-2009 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
Readline is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Readline is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Readline. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _RL_TYPEDEFS_H_
#define _RL_TYPEDEFS_H_
#ifdef __cplusplus
extern "C" {
#endif
/* Old-style */
#if !defined (_FUNCTION_DEF)
# define _FUNCTION_DEF
typedef int Function ();
typedef void VFunction ();
typedef char *CPFunction ();
typedef char **CPPFunction ();
#endif /* _FUNCTION_DEF */
/* New style. */
#if !defined (_RL_FUNCTION_TYPEDEF)
# define _RL_FUNCTION_TYPEDEF
/* Bindable functions */
typedef int rl_command_func_t PARAMS((int, int));
/* Typedefs for the completion system */
typedef char *rl_compentry_func_t PARAMS((const char *, int));
typedef char **rl_completion_func_t PARAMS((const char *, int, int));
typedef char *rl_quote_func_t PARAMS((char *, int, char *));
typedef char *rl_dequote_func_t PARAMS((char *, int));
typedef int rl_compignore_func_t PARAMS((char **));
typedef void rl_compdisp_func_t PARAMS((char **, int, int));
/* Type for input and pre-read hook functions like rl_event_hook */
typedef int rl_hook_func_t PARAMS((void));
/* Input function type */
typedef int rl_getc_func_t PARAMS((FILE *));
/* Generic function that takes a character buffer (which could be the readline
line buffer) and an index into it (which could be rl_point) and returns
an int. */
typedef int rl_linebuf_func_t PARAMS((char *, int));
/* `Generic' function pointer typedefs */
typedef int rl_intfunc_t PARAMS((int));
#define rl_ivoidfunc_t rl_hook_func_t
typedef int rl_icpfunc_t PARAMS((char *));
typedef int rl_icppfunc_t PARAMS((char **));
typedef void rl_voidfunc_t PARAMS((void));
typedef void rl_vintfunc_t PARAMS((int));
typedef void rl_vcpfunc_t PARAMS((char *));
typedef void rl_vcppfunc_t PARAMS((char **));
typedef char *rl_cpvfunc_t PARAMS((void));
typedef char *rl_cpifunc_t PARAMS((int));
typedef char *rl_cpcpfunc_t PARAMS((char *));
typedef char *rl_cpcppfunc_t PARAMS((char **));
#endif /* _RL_FUNCTION_TYPEDEF */
#ifdef __cplusplus
}
#endif
#endif /* _RL_TYPEDEFS_H_ */
-590
View File
@@ -1,590 +0,0 @@
/* search.c - code for non-incremental searching in emacs and vi modes. */
/* Copyright (C) 1992-2009 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
Readline is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Readline is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Readline. If not, see <http://www.gnu.org/licenses/>.
*/
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
# include <config.h>
#endif
#include <sys/types.h>
#include <stdio.h>
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif
#if defined (HAVE_STDLIB_H)
# include <stdlib.h>
#else
# include "ansi_stdlib.h"
#endif
#include "rldefs.h"
#include "rlmbutil.h"
#include "readline.h"
#include "history.h"
#include "histlib.h"
#include "rlprivate.h"
#include "xmalloc.h"
#ifdef abs
# undef abs
#endif
#define abs(x) (((x) >= 0) ? (x) : -(x))
_rl_search_cxt *_rl_nscxt = 0;
extern HIST_ENTRY *_rl_saved_line_for_history;
/* Functions imported from the rest of the library. */
extern int _rl_free_history_entry PARAMS((HIST_ENTRY *));
static char *noninc_search_string = (char *) NULL;
static int noninc_history_pos;
static char *prev_line_found = (char *) NULL;
static int rl_history_search_len;
static int rl_history_search_pos;
static int rl_history_search_flags;
static char *history_search_string;
static int history_string_size;
static void make_history_line_current PARAMS((HIST_ENTRY *));
static int noninc_search_from_pos PARAMS((char *, int, int));
static int noninc_dosearch PARAMS((char *, int));
static int noninc_search PARAMS((int, int));
static int rl_history_search_internal PARAMS((int, int));
static void rl_history_search_reinit PARAMS((int));
static _rl_search_cxt *_rl_nsearch_init PARAMS((int, int));
static int _rl_nsearch_cleanup PARAMS((_rl_search_cxt *, int));
static void _rl_nsearch_abort PARAMS((_rl_search_cxt *));
static int _rl_nsearch_dispatch PARAMS((_rl_search_cxt *, int));
/* Make the data from the history entry ENTRY be the contents of the
current line. This doesn't do anything with rl_point; the caller
must set it. */
static void
make_history_line_current (entry)
HIST_ENTRY *entry;
{
_rl_replace_text (entry->line, 0, rl_end);
_rl_fix_point (1);
#if defined (VI_MODE)
if (rl_editing_mode == vi_mode)
/* POSIX.2 says that the `U' command doesn't affect the copy of any
command lines to the edit line. We're going to implement that by
making the undo list start after the matching line is copied to the
current editing buffer. */
rl_free_undo_list ();
#endif
if (_rl_saved_line_for_history)
_rl_free_history_entry (_rl_saved_line_for_history);
_rl_saved_line_for_history = (HIST_ENTRY *)NULL;
}
/* Search the history list for STRING starting at absolute history position
POS. If STRING begins with `^', the search must match STRING at the
beginning of a history line, otherwise a full substring match is performed
for STRING. DIR < 0 means to search backwards through the history list,
DIR >= 0 means to search forward. */
static int
noninc_search_from_pos (string, pos, dir)
char *string;
int pos, dir;
{
int ret, old;
if (pos < 0)
return -1;
old = where_history ();
if (history_set_pos (pos) == 0)
return -1;
RL_SETSTATE(RL_STATE_SEARCH);
if (*string == '^')
ret = history_search_prefix (string + 1, dir);
else
ret = history_search (string, dir);
RL_UNSETSTATE(RL_STATE_SEARCH);
if (ret != -1)
ret = where_history ();
history_set_pos (old);
return (ret);
}
/* Search for a line in the history containing STRING. If DIR is < 0, the
search is backwards through previous entries, else through subsequent
entries. Returns 1 if the search was successful, 0 otherwise. */
static int
noninc_dosearch (string, dir)
char *string;
int dir;
{
int oldpos, pos;
HIST_ENTRY *entry;
if (string == 0 || *string == '\0' || noninc_history_pos < 0)
{
rl_ding ();
return 0;
}
pos = noninc_search_from_pos (string, noninc_history_pos + dir, dir);
if (pos == -1)
{
/* Search failed, current history position unchanged. */
rl_maybe_unsave_line ();
rl_clear_message ();
rl_point = 0;
rl_ding ();
return 0;
}
noninc_history_pos = pos;
oldpos = where_history ();
history_set_pos (noninc_history_pos);
entry = current_history ();
#if defined (VI_MODE)
if (rl_editing_mode != vi_mode)
#endif
history_set_pos (oldpos);
make_history_line_current (entry);
rl_point = 0;
rl_mark = rl_end;
rl_clear_message ();
return 1;
}
static _rl_search_cxt *
_rl_nsearch_init (dir, pchar)
int dir, pchar;
{
_rl_search_cxt *cxt;
char *p;
cxt = _rl_scxt_alloc (RL_SEARCH_NSEARCH, 0);
if (dir < 0)
cxt->sflags |= SF_REVERSE; /* not strictly needed */
cxt->direction = dir;
cxt->history_pos = cxt->save_line;
rl_maybe_save_line ();
/* Clear the undo list, since reading the search string should create its
own undo list, and the whole list will end up being freed when we
finish reading the search string. */
rl_undo_list = 0;
/* Use the line buffer to read the search string. */
rl_line_buffer[0] = 0;
rl_end = rl_point = 0;
p = _rl_make_prompt_for_search (pchar ? pchar : ':');
rl_message ("%s", p, 0);
xfree (p);
RL_SETSTATE(RL_STATE_NSEARCH);
_rl_nscxt = cxt;
return cxt;
}
static int
_rl_nsearch_cleanup (cxt, r)
_rl_search_cxt *cxt;
int r;
{
_rl_scxt_dispose (cxt, 0);
_rl_nscxt = 0;
RL_UNSETSTATE(RL_STATE_NSEARCH);
return (r != 1);
}
static void
_rl_nsearch_abort (cxt)
_rl_search_cxt *cxt;
{
rl_maybe_unsave_line ();
rl_clear_message ();
rl_point = cxt->save_point;
rl_mark = cxt->save_mark;
rl_restore_prompt ();
RL_UNSETSTATE (RL_STATE_NSEARCH);
}
/* Process just-read character C according to search context CXT. Return -1
if the caller should abort the search, 0 if we should break out of the
loop, and 1 if we should continue to read characters. */
static int
_rl_nsearch_dispatch (cxt, c)
_rl_search_cxt *cxt;
int c;
{
switch (c)
{
case CTRL('W'):
rl_unix_word_rubout (1, c);
break;
case CTRL('U'):
rl_unix_line_discard (1, c);
break;
case RETURN:
case NEWLINE:
return 0;
case CTRL('H'):
case RUBOUT:
if (rl_point == 0)
{
_rl_nsearch_abort (cxt);
return -1;
}
_rl_rubout_char (1, c);
break;
case CTRL('C'):
case CTRL('G'):
rl_ding ();
_rl_nsearch_abort (cxt);
return -1;
default:
#if defined (HANDLE_MULTIBYTE)
if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
rl_insert_text (cxt->mb);
else
#endif
_rl_insert_char (1, c);
break;
}
(*rl_redisplay_function) ();
return 1;
}
/* Perform one search according to CXT, using NONINC_SEARCH_STRING. Return
-1 if the search should be aborted, any other value means to clean up
using _rl_nsearch_cleanup (). Returns 1 if the search was successful,
0 otherwise. */
static int
_rl_nsearch_dosearch (cxt)
_rl_search_cxt *cxt;
{
rl_mark = cxt->save_mark;
/* If rl_point == 0, we want to re-use the previous search string and
start from the saved history position. If there's no previous search
string, punt. */
if (rl_point == 0)
{
if (noninc_search_string == 0)
{
rl_ding ();
rl_restore_prompt ();
RL_UNSETSTATE (RL_STATE_NSEARCH);
return -1;
}
}
else
{
/* We want to start the search from the current history position. */
noninc_history_pos = cxt->save_line;
FREE (noninc_search_string);
noninc_search_string = savestring (rl_line_buffer);
/* If we don't want the subsequent undo list generated by the search
matching a history line to include the contents of the search string,
we need to clear rl_line_buffer here. For now, we just clear the
undo list generated by reading the search string. (If the search
fails, the old undo list will be restored by rl_maybe_unsave_line.) */
rl_free_undo_list ();
}
rl_restore_prompt ();
return (noninc_dosearch (noninc_search_string, cxt->direction));
}
/* Search non-interactively through the history list. DIR < 0 means to
search backwards through the history of previous commands; otherwise
the search is for commands subsequent to the current position in the
history list. PCHAR is the character to use for prompting when reading
the search string; if not specified (0), it defaults to `:'. */
static int
noninc_search (dir, pchar)
int dir;
int pchar;
{
_rl_search_cxt *cxt;
int c, r;
cxt = _rl_nsearch_init (dir, pchar);
if (RL_ISSTATE (RL_STATE_CALLBACK))
return (0);
/* Read the search string. */
r = 0;
while (1)
{
c = _rl_search_getchar (cxt);
if (c == 0)
break;
r = _rl_nsearch_dispatch (cxt, c);
if (r < 0)
return 1;
else if (r == 0)
break;
}
r = _rl_nsearch_dosearch (cxt);
return ((r >= 0) ? _rl_nsearch_cleanup (cxt, r) : (r != 1));
}
/* Search forward through the history list for a string. If the vi-mode
code calls this, KEY will be `?'. */
int
rl_noninc_forward_search (count, key)
int count, key;
{
return noninc_search (1, (key == '?') ? '?' : 0);
}
/* Reverse search the history list for a string. If the vi-mode code
calls this, KEY will be `/'. */
int
rl_noninc_reverse_search (count, key)
int count, key;
{
return noninc_search (-1, (key == '/') ? '/' : 0);
}
/* Search forward through the history list for the last string searched
for. If there is no saved search string, abort. */
int
rl_noninc_forward_search_again (count, key)
int count, key;
{
int r;
if (!noninc_search_string)
{
rl_ding ();
return (-1);
}
r = noninc_dosearch (noninc_search_string, 1);
return (r != 1);
}
/* Reverse search in the history list for the last string searched
for. If there is no saved search string, abort. */
int
rl_noninc_reverse_search_again (count, key)
int count, key;
{
int r;
if (!noninc_search_string)
{
rl_ding ();
return (-1);
}
r = noninc_dosearch (noninc_search_string, -1);
return (r != 1);
}
#if defined (READLINE_CALLBACKS)
int
_rl_nsearch_callback (cxt)
_rl_search_cxt *cxt;
{
int c, r;
c = _rl_search_getchar (cxt);
r = _rl_nsearch_dispatch (cxt, c);
if (r != 0)
return 1;
r = _rl_nsearch_dosearch (cxt);
return ((r >= 0) ? _rl_nsearch_cleanup (cxt, r) : (r != 1));
}
#endif
static int
rl_history_search_internal (count, dir)
int count, dir;
{
HIST_ENTRY *temp;
int ret, oldpos;
char *t;
rl_maybe_save_line ();
temp = (HIST_ENTRY *)NULL;
/* Search COUNT times through the history for a line matching
history_search_string. If history_search_string[0] == '^', the
line must match from the start; otherwise any substring can match.
When this loop finishes, TEMP, if non-null, is the history line to
copy into the line buffer. */
while (count)
{
ret = noninc_search_from_pos (history_search_string, rl_history_search_pos + dir, dir);
if (ret == -1)
break;
/* Get the history entry we found. */
rl_history_search_pos = ret;
oldpos = where_history ();
history_set_pos (rl_history_search_pos);
temp = current_history ();
history_set_pos (oldpos);
/* Don't find multiple instances of the same line. */
if (prev_line_found && STREQ (prev_line_found, temp->line))
continue;
prev_line_found = temp->line;
count--;
}
/* If we didn't find anything at all, return. */
if (temp == 0)
{
rl_maybe_unsave_line ();
rl_ding ();
/* If you don't want the saved history line (last match) to show up
in the line buffer after the search fails, change the #if 0 to
#if 1 */
#if 0
if (rl_point > rl_history_search_len)
{
rl_point = rl_end = rl_history_search_len;
rl_line_buffer[rl_end] = '\0';
rl_mark = 0;
}
#else
rl_point = rl_history_search_len; /* rl_maybe_unsave_line changes it */
rl_mark = rl_end;
#endif
return 1;
}
/* Copy the line we found into the current line buffer. */
make_history_line_current (temp);
if (rl_history_search_flags & ANCHORED_SEARCH)
rl_point = rl_history_search_len; /* easy case */
else
{
t = strstr (rl_line_buffer, history_search_string);
rl_point = t ? (int)(t - rl_line_buffer) + rl_history_search_len : rl_end;
}
rl_mark = rl_end;
return 0;
}
static void
rl_history_search_reinit (flags)
int flags;
{
int sind;
rl_history_search_pos = where_history ();
rl_history_search_len = rl_point;
rl_history_search_flags = flags;
prev_line_found = (char *)NULL;
if (rl_point)
{
/* Allocate enough space for anchored and non-anchored searches */
if (rl_history_search_len >= history_string_size - 2)
{
history_string_size = rl_history_search_len + 2;
history_search_string = (char *)xrealloc (history_search_string, history_string_size);
}
sind = 0;
if (flags & ANCHORED_SEARCH)
history_search_string[sind++] = '^';
strncpy (history_search_string + sind, rl_line_buffer, rl_point);
history_search_string[rl_point + sind] = '\0';
}
_rl_free_saved_history_line ();
}
/* Search forward in the history for the string of characters
from the start of the line to rl_point. This is a non-incremental
search. */
int
rl_history_search_forward (count, ignore)
int count, ignore;
{
if (count == 0)
return (0);
if (rl_last_func != rl_history_search_forward &&
rl_last_func != rl_history_search_backward)
rl_history_search_reinit (ANCHORED_SEARCH);
if (rl_history_search_len == 0)
return (rl_get_next_history (count, ignore));
return (rl_history_search_internal (abs (count), (count > 0) ? 1 : -1));
}
/* Search backward through the history for the string of characters
from the start of the line to rl_point. This is a non-incremental
search. */
int
rl_history_search_backward (count, ignore)
int count, ignore;
{
if (count == 0)
return (0);
if (rl_last_func != rl_history_search_forward &&
rl_last_func != rl_history_search_backward)
rl_history_search_reinit (ANCHORED_SEARCH);
if (rl_history_search_len == 0)
return (rl_get_previous_history (count, ignore));
return (rl_history_search_internal (abs (count), (count > 0) ? -1 : 1));
}
-212
View File
@@ -1,212 +0,0 @@
/* shell.c -- readline utility functions that are normally provided by
bash when readline is linked as part of the shell. */
/* Copyright (C) 1997-2009 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
Readline is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Readline is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Readline. If not, see <http://www.gnu.org/licenses/>.
*/
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
# include <config.h>
#endif
#include <sys/types.h>
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif /* HAVE_UNISTD_H */
#if defined (HAVE_STDLIB_H)
# include <stdlib.h>
#else
# include "ansi_stdlib.h"
#endif /* HAVE_STDLIB_H */
#if defined (HAVE_STRING_H)
# include <string.h>
#else
# include <strings.h>
#endif /* !HAVE_STRING_H */
#if defined (HAVE_LIMITS_H)
# include <limits.h>
#endif
#if defined (HAVE_FCNTL_H)
#include <fcntl.h>
#endif
#if defined (HAVE_PWD_H)
#include <pwd.h>
#endif
#include <stdio.h>
#include "rlstdc.h"
#include "rlshell.h"
#include "xmalloc.h"
#if defined (HAVE_GETPWUID) && !defined (HAVE_GETPW_DECLS)
extern struct passwd *getpwuid PARAMS((uid_t));
#endif /* HAVE_GETPWUID && !HAVE_GETPW_DECLS */
#ifndef NULL
# define NULL 0
#endif
#ifndef CHAR_BIT
# define CHAR_BIT 8
#endif
/* Nonzero if the integer type T is signed. */
#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
/* Bound on length of the string representing an integer value of type T.
Subtract one for the sign bit if T is signed;
302 / 1000 is log10 (2) rounded up;
add one for integer division truncation;
add one more for a minus sign if t is signed. */
#define INT_STRLEN_BOUND(t) \
((sizeof (t) * CHAR_BIT - TYPE_SIGNED (t)) * 302 / 1000 \
+ 1 + TYPE_SIGNED (t))
/* All of these functions are resolved from bash if we are linking readline
as part of bash. */
/* Does shell-like quoting using single quotes. */
char *
sh_single_quote (string)
char *string;
{
register int c;
char *result, *r, *s;
result = (char *)xmalloc (3 + (4 * strlen (string)));
r = result;
*r++ = '\'';
for (s = string; s && (c = *s); s++)
{
*r++ = c;
if (c == '\'')
{
*r++ = '\\'; /* insert escaped single quote */
*r++ = '\'';
*r++ = '\''; /* start new quoted string */
}
}
*r++ = '\'';
*r = '\0';
return (result);
}
/* Set the environment variables LINES and COLUMNS to lines and cols,
respectively. */
void
sh_set_lines_and_columns (lines, cols)
int lines, cols;
{
char *b;
#if defined (HAVE_SETENV)
b = (char *)xmalloc (INT_STRLEN_BOUND (int) + 1);
sprintf (b, "%d", lines);
setenv ("LINES", b, 1);
xfree (b);
b = (char *)xmalloc (INT_STRLEN_BOUND (int) + 1);
sprintf (b, "%d", cols);
setenv ("COLUMNS", b, 1);
xfree (b);
#else /* !HAVE_SETENV */
# if defined (HAVE_PUTENV)
b = (char *)xmalloc (INT_STRLEN_BOUND (int) + sizeof ("LINES=") + 1);
sprintf (b, "LINES=%d", lines);
putenv (b);
b = (char *)xmalloc (INT_STRLEN_BOUND (int) + sizeof ("COLUMNS=") + 1);
sprintf (b, "COLUMNS=%d", cols);
putenv (b);
# endif /* HAVE_PUTENV */
#endif /* !HAVE_SETENV */
}
char *
sh_get_env_value (varname)
const char *varname;
{
return ((char *)getenv (varname));
}
char *
sh_get_home_dir ()
{
char *home_dir;
struct passwd *entry;
home_dir = (char *)NULL;
#if defined (HAVE_GETPWUID)
# if defined (__TANDEM)
entry = getpwnam (getlogin ());
# else
entry = getpwuid (getuid ());
# endif
if (entry)
home_dir = entry->pw_dir;
#endif
return (home_dir);
}
#if !defined (O_NDELAY)
# if defined (FNDELAY)
# define O_NDELAY FNDELAY
# endif
#endif
int
sh_unset_nodelay_mode (fd)
int fd;
{
#if defined (HAVE_FCNTL)
int flags, bflags;
if ((flags = fcntl (fd, F_GETFL, 0)) < 0)
return -1;
bflags = 0;
#ifdef O_NONBLOCK
bflags |= O_NONBLOCK;
#endif
#ifdef O_NDELAY
bflags |= O_NDELAY;
#endif
if (flags & bflags)
{
flags &= ~bflags;
return (fcntl (fd, F_SETFL, flags));
}
#endif
return 0;
}
-678
View File
@@ -1,678 +0,0 @@
/* signals.c -- signal handling support for readline. */
/* Copyright (C) 1987-2011 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
Readline is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Readline is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Readline. If not, see <http://www.gnu.org/licenses/>.
*/
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
# include <config.h>
#endif
#include <stdio.h> /* Just for NULL. Yuck. */
#include <sys/types.h>
#include <signal.h>
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif /* HAVE_UNISTD_H */
/* System-specific feature definitions and include files. */
#include "rldefs.h"
#if defined (GWINSZ_IN_SYS_IOCTL)
# include <sys/ioctl.h>
#endif /* GWINSZ_IN_SYS_IOCTL */
/* Some standard library routines. */
#include "readline.h"
#include "history.h"
#include "rlprivate.h"
#if defined (HANDLE_SIGNALS)
#if !defined (RETSIGTYPE)
# if defined (VOID_SIGHANDLER)
# define RETSIGTYPE void
# else
# define RETSIGTYPE int
# endif /* !VOID_SIGHANDLER */
#endif /* !RETSIGTYPE */
#if defined (VOID_SIGHANDLER)
# define SIGHANDLER_RETURN return
#else
# define SIGHANDLER_RETURN return (0)
#endif
/* This typedef is equivalent to the one for Function; it allows us
to say SigHandler *foo = signal (SIGKILL, SIG_IGN); */
typedef RETSIGTYPE SigHandler ();
#if defined (HAVE_POSIX_SIGNALS)
typedef struct sigaction sighandler_cxt;
# define rl_sigaction(s, nh, oh) sigaction(s, nh, oh)
#else
typedef struct { SigHandler *sa_handler; int sa_mask, sa_flags; } sighandler_cxt;
# define sigemptyset(m)
#endif /* !HAVE_POSIX_SIGNALS */
#ifndef SA_RESTART
# define SA_RESTART 0
#endif
static SigHandler *rl_set_sighandler PARAMS((int, SigHandler *, sighandler_cxt *));
static void rl_maybe_set_sighandler PARAMS((int, SigHandler *, sighandler_cxt *));
static RETSIGTYPE rl_signal_handler PARAMS((int));
static RETSIGTYPE _rl_handle_signal PARAMS((int));
/* Exported variables for use by applications. */
/* If non-zero, readline will install its own signal handlers for
SIGINT, SIGTERM, SIGHUP, SIGQUIT, SIGALRM, SIGTSTP, SIGTTIN, and SIGTTOU. */
int rl_catch_signals = 1;
/* If non-zero, readline will install a signal handler for SIGWINCH. */
#ifdef SIGWINCH
int rl_catch_sigwinch = 1;
#else
int rl_catch_sigwinch = 0; /* for the readline state struct in readline.c */
#endif
/* Private variables. */
int _rl_interrupt_immediately = 0;
int volatile _rl_caught_signal = 0; /* should be sig_atomic_t, but that requires including <signal.h> everywhere */
/* If non-zero, print characters corresponding to received signals as long as
the user has indicated his desire to do so (_rl_echo_control_chars). */
int _rl_echoctl = 0;
int _rl_intr_char = 0;
int _rl_quit_char = 0;
int _rl_susp_char = 0;
static int signals_set_flag;
static int sigwinch_set_flag;
/* **************************************************************** */
/* */
/* Signal Handling */
/* */
/* **************************************************************** */
static sighandler_cxt old_int, old_term, old_hup, old_alrm, old_quit;
#if defined (SIGTSTP)
static sighandler_cxt old_tstp, old_ttou, old_ttin;
#endif
#if defined (SIGWINCH)
static sighandler_cxt old_winch;
#endif
/* Readline signal handler functions. */
/* Called from RL_CHECK_SIGNALS() macro */
RETSIGTYPE
_rl_signal_handler (sig)
int sig;
{
_rl_caught_signal = 0; /* XXX */
if (sig == SIGWINCH)
rl_resize_terminal ();
else
_rl_handle_signal (sig);
SIGHANDLER_RETURN;
}
static RETSIGTYPE
rl_signal_handler (sig)
int sig;
{
if (_rl_interrupt_immediately || RL_ISSTATE(RL_STATE_CALLBACK))
{
_rl_interrupt_immediately = 0;
_rl_handle_signal (sig);
}
else
_rl_caught_signal = sig;
SIGHANDLER_RETURN;
}
static RETSIGTYPE
_rl_handle_signal (sig)
int sig;
{
#if defined (HAVE_POSIX_SIGNALS)
sigset_t set;
#else /* !HAVE_POSIX_SIGNALS */
# if defined (HAVE_BSD_SIGNALS)
long omask;
# else /* !HAVE_BSD_SIGNALS */
sighandler_cxt dummy_cxt; /* needed for rl_set_sighandler call */
# endif /* !HAVE_BSD_SIGNALS */
#endif /* !HAVE_POSIX_SIGNALS */
RL_SETSTATE(RL_STATE_SIGHANDLER);
#if !defined (HAVE_BSD_SIGNALS) && !defined (HAVE_POSIX_SIGNALS)
/* Since the signal will not be blocked while we are in the signal
handler, ignore it until rl_clear_signals resets the catcher. */
# if defined (SIGALRM)
if (sig == SIGINT || sig == SIGALRM)
# else
if (sig == SIGINT)
# endif
rl_set_sighandler (sig, SIG_IGN, &dummy_cxt);
#endif /* !HAVE_BSD_SIGNALS && !HAVE_POSIX_SIGNALS */
switch (sig)
{
case SIGINT:
_rl_reset_completion_state ();
rl_free_line_state ();
/* FALLTHROUGH */
case SIGTERM:
case SIGHUP:
#if defined (SIGTSTP)
case SIGTSTP:
case SIGTTOU:
case SIGTTIN:
#endif /* SIGTSTP */
#if defined (SIGALRM)
case SIGALRM:
#endif
#if defined (SIGQUIT)
case SIGQUIT:
#endif
rl_echo_signal_char (sig);
rl_cleanup_after_signal ();
#if defined (HAVE_POSIX_SIGNALS)
sigemptyset (&set);
sigprocmask (SIG_BLOCK, (sigset_t *)NULL, &set);
sigdelset (&set, sig);
#else /* !HAVE_POSIX_SIGNALS */
# if defined (HAVE_BSD_SIGNALS)
omask = sigblock (0);
# endif /* HAVE_BSD_SIGNALS */
#endif /* !HAVE_POSIX_SIGNALS */
#if defined (__EMX__)
signal (sig, SIG_ACK);
#endif
#if defined (HAVE_KILL)
kill (getpid (), sig);
#else
raise (sig); /* assume we have raise */
#endif
/* Let the signal that we just sent through. */
#if defined (HAVE_POSIX_SIGNALS)
sigprocmask (SIG_SETMASK, &set, (sigset_t *)NULL);
#else /* !HAVE_POSIX_SIGNALS */
# if defined (HAVE_BSD_SIGNALS)
sigsetmask (omask & ~(sigmask (sig)));
# endif /* HAVE_BSD_SIGNALS */
#endif /* !HAVE_POSIX_SIGNALS */
rl_reset_after_signal ();
}
RL_UNSETSTATE(RL_STATE_SIGHANDLER);
SIGHANDLER_RETURN;
}
#if defined (SIGWINCH)
static RETSIGTYPE
rl_sigwinch_handler (sig)
int sig;
{
SigHandler *oh;
#if defined (MUST_REINSTALL_SIGHANDLERS)
sighandler_cxt dummy_winch;
/* We don't want to change old_winch -- it holds the state of SIGWINCH
disposition set by the calling application. We need this state
because we call the application's SIGWINCH handler after updating
our own idea of the screen size. */
rl_set_sighandler (SIGWINCH, rl_sigwinch_handler, &dummy_winch);
#endif
RL_SETSTATE(RL_STATE_SIGHANDLER);
_rl_caught_signal = sig;
/* If another sigwinch handler has been installed, call it. */
oh = (SigHandler *)old_winch.sa_handler;
if (oh && oh != (SigHandler *)SIG_IGN && oh != (SigHandler *)SIG_DFL)
(*oh) (sig);
RL_UNSETSTATE(RL_STATE_SIGHANDLER);
SIGHANDLER_RETURN;
}
#endif /* SIGWINCH */
/* Functions to manage signal handling. */
#if !defined (HAVE_POSIX_SIGNALS)
static int
rl_sigaction (sig, nh, oh)
int sig;
sighandler_cxt *nh, *oh;
{
oh->sa_handler = signal (sig, nh->sa_handler);
return 0;
}
#endif /* !HAVE_POSIX_SIGNALS */
/* Set up a readline-specific signal handler, saving the old signal
information in OHANDLER. Return the old signal handler, like
signal(). */
static SigHandler *
rl_set_sighandler (sig, handler, ohandler)
int sig;
SigHandler *handler;
sighandler_cxt *ohandler;
{
sighandler_cxt old_handler;
#if defined (HAVE_POSIX_SIGNALS)
struct sigaction act;
act.sa_handler = handler;
# if defined (SIGWINCH)
act.sa_flags = (sig == SIGWINCH) ? SA_RESTART : 0;
# else
act.sa_flags = 0;
# endif /* SIGWINCH */
sigemptyset (&act.sa_mask);
sigemptyset (&ohandler->sa_mask);
sigaction (sig, &act, &old_handler);
#else
old_handler.sa_handler = (SigHandler *)signal (sig, handler);
#endif /* !HAVE_POSIX_SIGNALS */
/* XXX -- assume we have memcpy */
/* If rl_set_signals is called twice in a row, don't set the old handler to
rl_signal_handler, because that would cause infinite recursion. */
if (handler != rl_signal_handler || old_handler.sa_handler != rl_signal_handler)
memcpy (ohandler, &old_handler, sizeof (sighandler_cxt));
return (ohandler->sa_handler);
}
static void
rl_maybe_set_sighandler (sig, handler, ohandler)
int sig;
SigHandler *handler;
sighandler_cxt *ohandler;
{
sighandler_cxt dummy;
SigHandler *oh;
sigemptyset (&dummy.sa_mask);
oh = rl_set_sighandler (sig, handler, ohandler);
if (oh == (SigHandler *)SIG_IGN)
rl_sigaction (sig, ohandler, &dummy);
}
int
rl_set_signals ()
{
sighandler_cxt dummy;
SigHandler *oh;
#if defined (HAVE_POSIX_SIGNALS)
static int sigmask_set = 0;
static sigset_t bset, oset;
#endif
#if defined (HAVE_POSIX_SIGNALS)
if (rl_catch_signals && sigmask_set == 0)
{
sigemptyset (&bset);
sigaddset (&bset, SIGINT);
sigaddset (&bset, SIGTERM);
sigaddset (&bset, SIGHUP);
#if defined (SIGQUIT)
sigaddset (&bset, SIGQUIT);
#endif
#if defined (SIGALRM)
sigaddset (&bset, SIGALRM);
#endif
#if defined (SIGTSTP)
sigaddset (&bset, SIGTSTP);
#endif
#if defined (SIGTTIN)
sigaddset (&bset, SIGTTIN);
#endif
#if defined (SIGTTOU)
sigaddset (&bset, SIGTTOU);
#endif
sigmask_set = 1;
}
#endif /* HAVE_POSIX_SIGNALS */
if (rl_catch_signals && signals_set_flag == 0)
{
#if defined (HAVE_POSIX_SIGNALS)
sigemptyset (&oset);
sigprocmask (SIG_BLOCK, &bset, &oset);
#endif
rl_maybe_set_sighandler (SIGINT, rl_signal_handler, &old_int);
rl_maybe_set_sighandler (SIGTERM, rl_signal_handler, &old_term);
rl_maybe_set_sighandler (SIGHUP, rl_signal_handler, &old_hup);
#if defined (SIGQUIT)
rl_maybe_set_sighandler (SIGQUIT, rl_signal_handler, &old_quit);
#endif
#if defined (SIGALRM)
oh = rl_set_sighandler (SIGALRM, rl_signal_handler, &old_alrm);
if (oh == (SigHandler *)SIG_IGN)
rl_sigaction (SIGALRM, &old_alrm, &dummy);
#if defined (HAVE_POSIX_SIGNALS) && defined (SA_RESTART)
/* If the application using readline has already installed a signal
handler with SA_RESTART, SIGALRM will cause reads to be restarted
automatically, so readline should just get out of the way. Since
we tested for SIG_IGN above, we can just test for SIG_DFL here. */
if (oh != (SigHandler *)SIG_DFL && (old_alrm.sa_flags & SA_RESTART))
rl_sigaction (SIGALRM, &old_alrm, &dummy);
#endif /* HAVE_POSIX_SIGNALS */
#endif /* SIGALRM */
#if defined (SIGTSTP)
rl_maybe_set_sighandler (SIGTSTP, rl_signal_handler, &old_tstp);
#endif /* SIGTSTP */
#if defined (SIGTTOU)
rl_maybe_set_sighandler (SIGTTOU, rl_signal_handler, &old_ttou);
#endif /* SIGTTOU */
#if defined (SIGTTIN)
rl_maybe_set_sighandler (SIGTTIN, rl_signal_handler, &old_ttin);
#endif /* SIGTTIN */
signals_set_flag = 1;
#if defined (HAVE_POSIX_SIGNALS)
sigprocmask (SIG_SETMASK, &oset, (sigset_t *)NULL);
#endif
}
#if defined (SIGWINCH)
if (rl_catch_sigwinch && sigwinch_set_flag == 0)
{
rl_maybe_set_sighandler (SIGWINCH, rl_sigwinch_handler, &old_winch);
sigwinch_set_flag = 1;
}
#endif /* SIGWINCH */
return 0;
}
int
rl_clear_signals ()
{
sighandler_cxt dummy;
if (rl_catch_signals && signals_set_flag == 1)
{
sigemptyset (&dummy.sa_mask);
rl_sigaction (SIGINT, &old_int, &dummy);
rl_sigaction (SIGTERM, &old_term, &dummy);
rl_sigaction (SIGHUP, &old_hup, &dummy);
#if defined (SIGQUIT)
rl_sigaction (SIGQUIT, &old_quit, &dummy);
#endif
#if defined (SIGALRM)
rl_sigaction (SIGALRM, &old_alrm, &dummy);
#endif
#if defined (SIGTSTP)
rl_sigaction (SIGTSTP, &old_tstp, &dummy);
#endif /* SIGTSTP */
#if defined (SIGTTOU)
rl_sigaction (SIGTTOU, &old_ttou, &dummy);
#endif /* SIGTTOU */
#if defined (SIGTTIN)
rl_sigaction (SIGTTIN, &old_ttin, &dummy);
#endif /* SIGTTIN */
signals_set_flag = 0;
}
#if defined (SIGWINCH)
if (rl_catch_sigwinch && sigwinch_set_flag == 1)
{
sigemptyset (&dummy.sa_mask);
rl_sigaction (SIGWINCH, &old_winch, &dummy);
sigwinch_set_flag = 0;
}
#endif
return 0;
}
/* Clean up the terminal and readline state after catching a signal, before
resending it to the calling application. */
void
rl_cleanup_after_signal ()
{
_rl_clean_up_for_exit ();
if (rl_deprep_term_function)
(*rl_deprep_term_function) ();
rl_clear_pending_input ();
rl_clear_signals ();
}
/* Reset the terminal and readline state after a signal handler returns. */
void
rl_reset_after_signal ()
{
if (rl_prep_term_function)
(*rl_prep_term_function) (_rl_meta_flag);
rl_set_signals ();
}
/* Free up the readline variable line state for the current line (undo list,
any partial history entry, any keyboard macros in progress, and any
numeric arguments in process) after catching a signal, before calling
rl_cleanup_after_signal(). */
void
rl_free_line_state ()
{
register HIST_ENTRY *entry;
rl_free_undo_list ();
entry = current_history ();
if (entry)
entry->data = (char *)NULL;
_rl_kill_kbd_macro ();
rl_clear_message ();
_rl_reset_argument ();
}
#endif /* HANDLE_SIGNALS */
/* **************************************************************** */
/* */
/* SIGINT Management */
/* */
/* **************************************************************** */
#if defined (HAVE_POSIX_SIGNALS)
static sigset_t sigint_set, sigint_oset;
static sigset_t sigwinch_set, sigwinch_oset;
#else /* !HAVE_POSIX_SIGNALS */
# if defined (HAVE_BSD_SIGNALS)
static int sigint_oldmask;
static int sigwinch_oldmask;
# endif /* HAVE_BSD_SIGNALS */
#endif /* !HAVE_POSIX_SIGNALS */
static int sigint_blocked;
static int sigwinch_blocked;
/* Cause SIGINT to not be delivered until the corresponding call to
release_sigint(). */
void
_rl_block_sigint ()
{
if (sigint_blocked)
return;
#if defined (HAVE_POSIX_SIGNALS)
sigemptyset (&sigint_set);
sigemptyset (&sigint_oset);
sigaddset (&sigint_set, SIGINT);
sigprocmask (SIG_BLOCK, &sigint_set, &sigint_oset);
#else /* !HAVE_POSIX_SIGNALS */
# if defined (HAVE_BSD_SIGNALS)
sigint_oldmask = sigblock (sigmask (SIGINT));
# else /* !HAVE_BSD_SIGNALS */
# if defined (HAVE_USG_SIGHOLD)
sighold (SIGINT);
# endif /* HAVE_USG_SIGHOLD */
# endif /* !HAVE_BSD_SIGNALS */
#endif /* !HAVE_POSIX_SIGNALS */
sigint_blocked = 1;
}
/* Allow SIGINT to be delivered. */
void
_rl_release_sigint ()
{
if (sigint_blocked == 0)
return;
#if defined (HAVE_POSIX_SIGNALS)
sigprocmask (SIG_SETMASK, &sigint_oset, (sigset_t *)NULL);
#else
# if defined (HAVE_BSD_SIGNALS)
sigsetmask (sigint_oldmask);
# else /* !HAVE_BSD_SIGNALS */
# if defined (HAVE_USG_SIGHOLD)
sigrelse (SIGINT);
# endif /* HAVE_USG_SIGHOLD */
# endif /* !HAVE_BSD_SIGNALS */
#endif /* !HAVE_POSIX_SIGNALS */
sigint_blocked = 0;
}
/* Cause SIGWINCH to not be delivered until the corresponding call to
release_sigwinch(). */
void
_rl_block_sigwinch ()
{
if (sigwinch_blocked)
return;
#if defined (HAVE_POSIX_SIGNALS)
sigemptyset (&sigwinch_set);
sigemptyset (&sigwinch_oset);
sigaddset (&sigwinch_set, SIGWINCH);
sigprocmask (SIG_BLOCK, &sigwinch_set, &sigwinch_oset);
#else /* !HAVE_POSIX_SIGNALS */
# if defined (HAVE_BSD_SIGNALS)
sigwinch_oldmask = sigblock (sigmask (SIGWINCH));
# else /* !HAVE_BSD_SIGNALS */
# if defined (HAVE_USG_SIGHOLD)
sighold (SIGWINCH);
# endif /* HAVE_USG_SIGHOLD */
# endif /* !HAVE_BSD_SIGNALS */
#endif /* !HAVE_POSIX_SIGNALS */
sigwinch_blocked = 1;
}
/* Allow SIGWINCH to be delivered. */
void
_rl_release_sigwinch ()
{
if (sigwinch_blocked == 0)
return;
#if defined (HAVE_POSIX_SIGNALS)
sigprocmask (SIG_SETMASK, &sigwinch_oset, (sigset_t *)NULL);
#else
# if defined (HAVE_BSD_SIGNALS)
sigsetmask (sigwinch_oldmask);
# else /* !HAVE_BSD_SIGNALS */
# if defined (HAVE_USG_SIGHOLD)
sigrelse (SIGWINCH);
# endif /* HAVE_USG_SIGHOLD */
# endif /* !HAVE_BSD_SIGNALS */
#endif /* !HAVE_POSIX_SIGNALS */
sigwinch_blocked = 0;
}
/* **************************************************************** */
/* */
/* Echoing special control characters */
/* */
/* **************************************************************** */
void
rl_echo_signal_char (sig)
int sig;
{
char cstr[3];
int cslen, c;
if (_rl_echoctl == 0 || _rl_echo_control_chars == 0)
return;
switch (sig)
{
case SIGINT: c = _rl_intr_char; break;
#if defined (SIGQUIT)
case SIGQUIT: c = _rl_quit_char; break;
#endif
#if defined (SIGTSTP)
case SIGTSTP: c = _rl_susp_char; break;
#endif
default: return;
}
if (CTRL_CHAR (c) || c == RUBOUT)
{
cstr[0] = '^';
cstr[1] = CTRL_CHAR (c) ? UNCTRL (c) : '?';
cstr[cslen = 2] = '\0';
}
else
{
cstr[0] = c;
cstr[cslen = 1] = '\0';
}
_rl_output_some_chars (cstr, cslen);
}
-737
View File
@@ -1,737 +0,0 @@
/* terminal.c -- controlling the terminal with termcap. */
/* Copyright (C) 1996-2009 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
Readline is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Readline is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Readline. If not, see <http://www.gnu.org/licenses/>.
*/
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
# include <config.h>
#endif
#include <sys/types.h>
#include "posixstat.h"
#include <fcntl.h>
#if defined (HAVE_SYS_FILE_H)
# include <sys/file.h>
#endif /* HAVE_SYS_FILE_H */
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif /* HAVE_UNISTD_H */
#if defined (HAVE_STDLIB_H)
# include <stdlib.h>
#else
# include "ansi_stdlib.h"
#endif /* HAVE_STDLIB_H */
#if defined (HAVE_LOCALE_H)
# include <locale.h>
#endif
#include <stdio.h>
/* System-specific feature definitions and include files. */
#include "rldefs.h"
#if defined (GWINSZ_IN_SYS_IOCTL) && !defined (TIOCGWINSZ)
# include <sys/ioctl.h>
#endif /* GWINSZ_IN_SYS_IOCTL && !TIOCGWINSZ */
#include "rltty.h"
#include "tcap.h"
/* Some standard library routines. */
#include "readline.h"
#include "history.h"
#include "rlprivate.h"
#include "rlshell.h"
#include "xmalloc.h"
#if defined (__MINGW32__)
# include <windows.h>
# include <wincon.h>
static void _win_get_screensize PARAMS((int *, int *));
#endif
#if defined (__EMX__)
static void _emx_get_screensize PARAMS((int *, int *));
#endif
#define CUSTOM_REDISPLAY_FUNC() (rl_redisplay_function != rl_redisplay)
#define CUSTOM_INPUT_FUNC() (rl_getc_function != rl_getc)
/* If the calling application sets this to a non-zero value, readline will
use the $LINES and $COLUMNS environment variables to set its idea of the
window size before interrogating the kernel. */
int rl_prefer_env_winsize = 0;
/* **************************************************************** */
/* */
/* Terminal and Termcap */
/* */
/* **************************************************************** */
static char *term_buffer = (char *)NULL;
static char *term_string_buffer = (char *)NULL;
static int tcap_initialized;
#if !defined (__linux__) && !defined (NCURSES_VERSION)
# if defined (__EMX__) || defined (NEED_EXTERN_PC)
extern
# endif /* __EMX__ || NEED_EXTERN_PC */
char PC, *BC, *UP;
#endif /* !__linux__ && !NCURSES_VERSION */
/* Some strings to control terminal actions. These are output by tputs (). */
char *_rl_term_clreol;
char *_rl_term_clrpag;
char *_rl_term_cr;
char *_rl_term_backspace;
char *_rl_term_goto;
char *_rl_term_pc;
/* Non-zero if we determine that the terminal can do character insertion. */
int _rl_terminal_can_insert = 0;
/* How to insert characters. */
char *_rl_term_im;
char *_rl_term_ei;
char *_rl_term_ic;
char *_rl_term_ip;
char *_rl_term_IC;
/* How to delete characters. */
char *_rl_term_dc;
char *_rl_term_DC;
char *_rl_term_forward_char;
/* How to go up a line. */
char *_rl_term_up;
/* A visible bell; char if the terminal can be made to flash the screen. */
static char *_rl_visible_bell;
/* Non-zero means the terminal can auto-wrap lines. */
int _rl_term_autowrap = -1;
/* Non-zero means that this terminal has a meta key. */
static int term_has_meta;
/* The sequences to write to turn on and off the meta key, if this
terminal has one. */
static char *_rl_term_mm;
static char *_rl_term_mo;
/* The key sequences output by the arrow keys, if this terminal has any. */
static char *_rl_term_ku;
static char *_rl_term_kd;
static char *_rl_term_kr;
static char *_rl_term_kl;
/* How to initialize and reset the arrow keys, if this terminal has any. */
static char *_rl_term_ks;
static char *_rl_term_ke;
/* The key sequences sent by the Home and End keys, if any. */
static char *_rl_term_kh;
static char *_rl_term_kH;
static char *_rl_term_at7; /* @7 */
/* Delete key */
static char *_rl_term_kD;
/* Insert key */
static char *_rl_term_kI;
/* Cursor control */
static char *_rl_term_vs; /* very visible */
static char *_rl_term_ve; /* normal */
static void bind_termcap_arrow_keys PARAMS((Keymap));
/* Variables that hold the screen dimensions, used by the display code. */
int _rl_screenwidth, _rl_screenheight, _rl_screenchars;
/* Non-zero means the user wants to enable the keypad. */
int _rl_enable_keypad;
/* Non-zero means the user wants to enable a meta key. */
int _rl_enable_meta = 1;
#if defined (__EMX__)
static void
_emx_get_screensize (swp, shp)
int *swp, *shp;
{
int sz[2];
_scrsize (sz);
if (swp)
*swp = sz[0];
if (shp)
*shp = sz[1];
}
#endif
#if defined (__MINGW32__)
static void
_win_get_screensize (swp, shp)
int *swp, *shp;
{
HANDLE hConOut;
CONSOLE_SCREEN_BUFFER_INFO scr;
hConOut = GetStdHandle (STD_OUTPUT_HANDLE);
if (hConOut != INVALID_HANDLE_VALUE)
{
if (GetConsoleScreenBufferInfo (hConOut, &scr))
{
*swp = scr.dwSize.X;
*shp = scr.srWindow.Bottom - scr.srWindow.Top + 1;
}
}
}
#endif
/* Get readline's idea of the screen size. TTY is a file descriptor open
to the terminal. If IGNORE_ENV is true, we do not pay attention to the
values of $LINES and $COLUMNS. The tests for TERM_STRING_BUFFER being
non-null serve to check whether or not we have initialized termcap. */
void
_rl_get_screen_size (tty, ignore_env)
int tty, ignore_env;
{
char *ss;
#if defined (TIOCGWINSZ)
struct winsize window_size;
#endif /* TIOCGWINSZ */
int wr, wc;
wr = wc = -1;
#if defined (TIOCGWINSZ)
if (ioctl (tty, TIOCGWINSZ, &window_size) == 0)
{
wc = (int) window_size.ws_col;
wr = (int) window_size.ws_row;
}
#endif /* TIOCGWINSZ */
#if defined (__EMX__)
_emx_get_screensize (&wc, &wr);
#elif defined (__MINGW32__)
_win_get_screensize (&wc, &wr);
#endif
if (ignore_env || rl_prefer_env_winsize == 0)
{
_rl_screenwidth = wc;
_rl_screenheight = wr;
}
else
_rl_screenwidth = _rl_screenheight = -1;
/* Environment variable COLUMNS overrides setting of "co" if IGNORE_ENV
is unset. If we prefer the environment, check it first before
assigning the value returned by the kernel. */
if (_rl_screenwidth <= 0)
{
if (ignore_env == 0 && (ss = sh_get_env_value ("COLUMNS")))
_rl_screenwidth = atoi (ss);
if (_rl_screenwidth <= 0)
_rl_screenwidth = wc;
#if !defined (__DJGPP__)
if (_rl_screenwidth <= 0 && term_string_buffer)
_rl_screenwidth = tgetnum ("co");
#endif
}
/* Environment variable LINES overrides setting of "li" if IGNORE_ENV
is unset. */
if (_rl_screenheight <= 0)
{
if (ignore_env == 0 && (ss = sh_get_env_value ("LINES")))
_rl_screenheight = atoi (ss);
if (_rl_screenheight <= 0)
_rl_screenheight = wr;
#if !defined (__DJGPP__)
if (_rl_screenheight <= 0 && term_string_buffer)
_rl_screenheight = tgetnum ("li");
#endif
}
/* If all else fails, default to 80x24 terminal. */
if (_rl_screenwidth <= 1)
_rl_screenwidth = 80;
if (_rl_screenheight <= 0)
_rl_screenheight = 24;
/* If we're being compiled as part of bash, set the environment
variables $LINES and $COLUMNS to new values. Otherwise, just
do a pair of putenv () or setenv () calls. */
sh_set_lines_and_columns (_rl_screenheight, _rl_screenwidth);
if (_rl_term_autowrap == 0)
_rl_screenwidth--;
_rl_screenchars = _rl_screenwidth * _rl_screenheight;
}
void
_rl_set_screen_size (rows, cols)
int rows, cols;
{
if (_rl_term_autowrap == -1)
_rl_init_terminal_io (rl_terminal_name);
if (rows > 0)
_rl_screenheight = rows;
if (cols > 0)
{
_rl_screenwidth = cols;
if (_rl_term_autowrap == 0)
_rl_screenwidth--;
}
if (rows > 0 || cols > 0)
_rl_screenchars = _rl_screenwidth * _rl_screenheight;
}
void
rl_set_screen_size (rows, cols)
int rows, cols;
{
_rl_set_screen_size (rows, cols);
}
void
rl_get_screen_size (rows, cols)
int *rows, *cols;
{
if (rows)
*rows = _rl_screenheight;
if (cols)
*cols = _rl_screenwidth;
}
void
rl_reset_screen_size ()
{
_rl_get_screen_size (fileno (rl_instream), 0);
}
void
_rl_sigwinch_resize_terminal ()
{
_rl_get_screen_size (fileno (rl_instream), 1);
}
void
rl_resize_terminal ()
{
_rl_get_screen_size (fileno (rl_instream), 1);
if (_rl_echoing_p)
{
if (CUSTOM_REDISPLAY_FUNC ())
rl_forced_update_display ();
else if (RL_ISSTATE(RL_STATE_REDISPLAYING) == 0)
_rl_redisplay_after_sigwinch ();
}
}
struct _tc_string {
const char * const tc_var;
char **tc_value;
};
/* This should be kept sorted, just in case we decide to change the
search algorithm to something smarter. */
static const struct _tc_string tc_strings[] =
{
{ "@7", &_rl_term_at7 },
{ "DC", &_rl_term_DC },
{ "IC", &_rl_term_IC },
{ "ce", &_rl_term_clreol },
{ "cl", &_rl_term_clrpag },
{ "cr", &_rl_term_cr },
{ "dc", &_rl_term_dc },
{ "ei", &_rl_term_ei },
{ "ic", &_rl_term_ic },
{ "im", &_rl_term_im },
{ "kD", &_rl_term_kD }, /* delete */
{ "kH", &_rl_term_kH }, /* home down ?? */
{ "kI", &_rl_term_kI }, /* insert */
{ "kd", &_rl_term_kd },
{ "ke", &_rl_term_ke }, /* end keypad mode */
{ "kh", &_rl_term_kh }, /* home */
{ "kl", &_rl_term_kl },
{ "kr", &_rl_term_kr },
{ "ks", &_rl_term_ks }, /* start keypad mode */
{ "ku", &_rl_term_ku },
{ "le", &_rl_term_backspace },
{ "mm", &_rl_term_mm },
{ "mo", &_rl_term_mo },
{ "nd", &_rl_term_forward_char },
{ "pc", &_rl_term_pc },
{ "up", &_rl_term_up },
{ "vb", &_rl_visible_bell },
{ "vs", &_rl_term_vs },
{ "ve", &_rl_term_ve },
};
#define NUM_TC_STRINGS (sizeof (tc_strings) / sizeof (struct _tc_string))
/* Read the desired terminal capability strings into BP. The capabilities
are described in the TC_STRINGS table. */
static void
get_term_capabilities (bp)
char **bp;
{
#if !defined (__DJGPP__) /* XXX - doesn't DJGPP have a termcap library? */
register int i;
for (i = 0; i < NUM_TC_STRINGS; i++)
*(tc_strings[i].tc_value) = tgetstr ((char *)tc_strings[i].tc_var, bp);
#endif
tcap_initialized = 1;
}
int
_rl_init_terminal_io (terminal_name)
const char *terminal_name;
{
const char *term;
char *buffer;
int tty, tgetent_ret;
term = terminal_name ? terminal_name : sh_get_env_value ("TERM");
_rl_term_clrpag = _rl_term_cr = _rl_term_clreol = (char *)NULL;
tty = rl_instream ? fileno (rl_instream) : 0;
if (term == 0)
term = "dumb";
/* I've separated this out for later work on not calling tgetent at all
if the calling application has supplied a custom redisplay function,
(and possibly if the application has supplied a custom input function). */
if (CUSTOM_REDISPLAY_FUNC())
{
tgetent_ret = -1;
}
else
{
if (term_string_buffer == 0)
term_string_buffer = (char *)xmalloc(2032);
if (term_buffer == 0)
term_buffer = (char *)xmalloc(4080);
buffer = term_string_buffer;
tgetent_ret = tgetent (term_buffer, term);
}
if (tgetent_ret <= 0)
{
FREE (term_string_buffer);
FREE (term_buffer);
buffer = term_buffer = term_string_buffer = (char *)NULL;
_rl_term_autowrap = 0; /* used by _rl_get_screen_size */
/* Allow calling application to set default height and width, using
rl_set_screen_size */
if (_rl_screenwidth <= 0 || _rl_screenheight <= 0)
{
#if defined (__EMX__)
_emx_get_screensize (&_rl_screenwidth, &_rl_screenheight);
_rl_screenwidth--;
#else /* !__EMX__ */
_rl_get_screen_size (tty, 0);
#endif /* !__EMX__ */
}
/* Defaults. */
if (_rl_screenwidth <= 0 || _rl_screenheight <= 0)
{
_rl_screenwidth = 79;
_rl_screenheight = 24;
}
/* Everything below here is used by the redisplay code (tputs). */
_rl_screenchars = _rl_screenwidth * _rl_screenheight;
_rl_term_cr = "\r";
_rl_term_im = _rl_term_ei = _rl_term_ic = _rl_term_IC = (char *)NULL;
_rl_term_up = _rl_term_dc = _rl_term_DC = _rl_visible_bell = (char *)NULL;
_rl_term_ku = _rl_term_kd = _rl_term_kl = _rl_term_kr = (char *)NULL;
_rl_term_kh = _rl_term_kH = _rl_term_kI = _rl_term_kD = (char *)NULL;
_rl_term_ks = _rl_term_ke = _rl_term_at7 = (char *)NULL;
_rl_term_mm = _rl_term_mo = (char *)NULL;
_rl_term_ve = _rl_term_vs = (char *)NULL;
_rl_term_forward_char = (char *)NULL;
_rl_terminal_can_insert = term_has_meta = 0;
/* Reasonable defaults for tgoto(). Readline currently only uses
tgoto if _rl_term_IC or _rl_term_DC is defined, but just in case we
change that later... */
PC = '\0';
BC = _rl_term_backspace = "\b";
UP = _rl_term_up;
return 0;
}
get_term_capabilities (&buffer);
/* Set up the variables that the termcap library expects the application
to provide. */
PC = _rl_term_pc ? *_rl_term_pc : 0;
BC = _rl_term_backspace;
UP = _rl_term_up;
if (!_rl_term_cr)
_rl_term_cr = "\r";
_rl_term_autowrap = tgetflag ("am") && tgetflag ("xn");
/* Allow calling application to set default height and width, using
rl_set_screen_size */
if (_rl_screenwidth <= 0 || _rl_screenheight <= 0)
_rl_get_screen_size (tty, 0);
/* "An application program can assume that the terminal can do
character insertion if *any one of* the capabilities `IC',
`im', `ic' or `ip' is provided." But we can't do anything if
only `ip' is provided, so... */
_rl_terminal_can_insert = (_rl_term_IC || _rl_term_im || _rl_term_ic);
/* Check to see if this terminal has a meta key and clear the capability
variables if there is none. */
term_has_meta = tgetflag ("km") != 0;
if (term_has_meta == 0)
_rl_term_mm = _rl_term_mo = (char *)NULL;
/* Attempt to find and bind the arrow keys. Do not override already
bound keys in an overzealous attempt, however. */
bind_termcap_arrow_keys (emacs_standard_keymap);
#if defined (VI_MODE)
bind_termcap_arrow_keys (vi_movement_keymap);
bind_termcap_arrow_keys (vi_insertion_keymap);
#endif /* VI_MODE */
return 0;
}
/* Bind the arrow key sequences from the termcap description in MAP. */
static void
bind_termcap_arrow_keys (map)
Keymap map;
{
Keymap xkeymap;
xkeymap = _rl_keymap;
_rl_keymap = map;
rl_bind_keyseq_if_unbound (_rl_term_ku, rl_get_previous_history);
rl_bind_keyseq_if_unbound (_rl_term_kd, rl_get_next_history);
rl_bind_keyseq_if_unbound (_rl_term_kr, rl_forward_char);
rl_bind_keyseq_if_unbound (_rl_term_kl, rl_backward_char);
rl_bind_keyseq_if_unbound (_rl_term_kh, rl_beg_of_line); /* Home */
rl_bind_keyseq_if_unbound (_rl_term_at7, rl_end_of_line); /* End */
rl_bind_keyseq_if_unbound (_rl_term_kD, rl_delete);
_rl_keymap = xkeymap;
}
char *
rl_get_termcap (cap)
const char *cap;
{
register int i;
if (tcap_initialized == 0)
return ((char *)NULL);
for (i = 0; i < NUM_TC_STRINGS; i++)
{
if (tc_strings[i].tc_var[0] == cap[0] && strcmp (tc_strings[i].tc_var, cap) == 0)
return *(tc_strings[i].tc_value);
}
return ((char *)NULL);
}
/* Re-initialize the terminal considering that the TERM/TERMCAP variable
has changed. */
int
rl_reset_terminal (terminal_name)
const char *terminal_name;
{
_rl_screenwidth = _rl_screenheight = 0;
_rl_init_terminal_io (terminal_name);
return 0;
}
/* A function for the use of tputs () */
#ifdef _MINIX
void
_rl_output_character_function (c)
int c;
{
putc (c, _rl_out_stream);
}
#else /* !_MINIX */
int
_rl_output_character_function (c)
int c;
{
return putc (c, _rl_out_stream);
}
#endif /* !_MINIX */
/* Write COUNT characters from STRING to the output stream. */
void
_rl_output_some_chars (string, count)
const char *string;
int count;
{
fwrite (string, 1, count, _rl_out_stream);
}
/* Move the cursor back. */
int
_rl_backspace (count)
int count;
{
register int i;
if (_rl_term_backspace)
for (i = 0; i < count; i++)
tputs (_rl_term_backspace, 1, _rl_output_character_function);
else
for (i = 0; i < count; i++)
putc ('\b', _rl_out_stream);
return 0;
}
/* Move to the start of the next line. */
int
rl_crlf ()
{
#if defined (NEW_TTY_DRIVER) || defined (__MINT__)
if (_rl_term_cr)
tputs (_rl_term_cr, 1, _rl_output_character_function);
#endif /* NEW_TTY_DRIVER || __MINT__ */
putc ('\n', _rl_out_stream);
return 0;
}
/* Ring the terminal bell. */
int
rl_ding ()
{
if (_rl_echoing_p)
{
switch (_rl_bell_preference)
{
case NO_BELL:
default:
break;
case VISIBLE_BELL:
if (_rl_visible_bell)
{
tputs (_rl_visible_bell, 1, _rl_output_character_function);
break;
}
/* FALLTHROUGH */
case AUDIBLE_BELL:
fprintf (stderr, "\007");
fflush (stderr);
break;
}
return (0);
}
return (-1);
}
/* **************************************************************** */
/* */
/* Controlling the Meta Key and Keypad */
/* */
/* **************************************************************** */
void
_rl_enable_meta_key ()
{
#if !defined (__DJGPP__)
if (term_has_meta && _rl_term_mm)
tputs (_rl_term_mm, 1, _rl_output_character_function);
#endif
}
void
_rl_control_keypad (on)
int on;
{
#if !defined (__DJGPP__)
if (on && _rl_term_ks)
tputs (_rl_term_ks, 1, _rl_output_character_function);
else if (!on && _rl_term_ke)
tputs (_rl_term_ke, 1, _rl_output_character_function);
#endif
}
/* **************************************************************** */
/* */
/* Controlling the Cursor */
/* */
/* **************************************************************** */
/* Set the cursor appropriately depending on IM, which is one of the
insert modes (insert or overwrite). Insert mode gets the normal
cursor. Overwrite mode gets a very visible cursor. Only does
anything if we have both capabilities. */
void
_rl_set_cursor (im, force)
int im, force;
{
if (_rl_term_ve && _rl_term_vs)
{
if (force || im != rl_insert_mode)
{
if (im == RL_IM_OVERWRITE)
tputs (_rl_term_vs, 1, _rl_output_character_function);
else
tputs (_rl_term_ve, 1, _rl_output_character_function);
}
}
}