mirror of
https://https.git.savannah.gnu.org/git/bash.git
synced 2026-06-28 16:09:51 +02:00
commit bash-20050901 snapshot
This commit is contained in:
Chet Ramey
@@ -12044,3 +12044,40 @@ doc/bash.1,lib/readline/doc/{rluser.texi,readline.3}
|
||||
----
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lib/sh/pathphys.c
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||||
- fix small memory leak in sh_realpath reported by Eric Blake
|
||||
|
||||
8/31
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||||
----
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||||
doc/bashref.texi
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||||
- add additional notes to posix mode section
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||||
|
||||
9/3
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||||
---
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||||
parse.y
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||||
- if $'...' occurs within a ${...} parameter expansion within
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double quotes, don't single-quote the expanded result -- the double
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||||
quotes will cause it to be expanded incorrectly
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||||
|
||||
9/4
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||||
---
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||||
builtins/fc.def
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- if STRICT_POSIX is defined, the posix mode default for the editor to
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use is $FCEDIT, then ed
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||||
|
||||
shell.c
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||||
- if STRICT_POSIX is defined, initialize `posixly_correct' to 1
|
||||
|
||||
config.h.in
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- add #undef STRICT_POSIX
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||||
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||||
9/5
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---
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configure.in
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- add new option argument, --enable-strict-posix-default, configures
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bash to be posix-conformant (including defaulting echo to posix
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conformance) by default
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builtins/echo.def
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- if STRICT_POSIX is defined, default echo to xpg-style
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||||
doc/bashref.texi
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- describe the --enable-strict-posix-default option to configure
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@@ -12039,3 +12039,39 @@ lib/readline/bind.c
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doc/bash.1,lib/readline/doc/{rluser.texi,readline.3}
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- clarified the language concerning parsing values for boolean
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variables in assignment statements
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|
||||
8/28
|
||||
----
|
||||
lib/sh/pathphys.c
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||||
- fix small memory leak in sh_realpath reported by Eric Blake
|
||||
|
||||
8/31
|
||||
----
|
||||
doc/bashref.texi
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- add additional notes to posix mode section
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||||
|
||||
9/3
|
||||
---
|
||||
parse.y
|
||||
- if $'...' occurs within a ${...} parameter expansion within
|
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double quotes, don't single-quote the expanded result -- the double
|
||||
quotes will cause it to be expanded incorrectly
|
||||
|
||||
9/4
|
||||
---
|
||||
builtins/fc.def
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||||
- if STRICT_POSIX is defined, the posix mode default for the editor to
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||||
use is $FCEDIT, then ed
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||||
|
||||
shell.c
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||||
- if STRICT_POSIX is defined, initialize `posixly_correct' to 1
|
||||
|
||||
config.h.in
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||||
- add #undef STRICT_POSIX
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||||
|
||||
9/5
|
||||
---
|
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configure.in
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- add new option argument, --enable-strict-posix-default, configures
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bash to be posix-conformant (including defaulting echo to posix
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conformance) by default
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@@ -767,6 +767,8 @@ tests/history.right f
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tests/history.list f 444
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tests/ifs.tests f
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tests/ifs.right f
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tests/ifs-posix.tests f
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tests/ifs-posix.right f
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tests/input-line.sh f
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tests/input-line.sub f
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tests/input.right f
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@@ -805,7 +807,6 @@ tests/posix2.tests f
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tests/posix2.right f
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tests/posixpat.tests f
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tests/posixpat.right f
|
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tests/posix-ifs.sh f
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tests/prec.right f
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tests/precedence f
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tests/printf.tests f
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||||
@@ -865,6 +866,7 @@ tests/run-herestr f
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tests/run-histexpand f
|
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tests/run-history f
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tests/run-ifs f
|
||||
tests/run-ifs-posix f
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||||
tests/run-input-test f
|
||||
tests/run-intl f
|
||||
tests/run-iquote f
|
||||
|
||||
+15
-1
@@ -1,5 +1,5 @@
|
||||
@%:@! /bin/sh
|
||||
@%:@ From configure.in for Bash 3.1, version 3.179.
|
||||
@%:@ From configure.in for Bash 3.1, version 3.180.
|
||||
@%:@ Guess values for system-dependent variables and create Makefiles.
|
||||
@%:@ Generated by GNU Autoconf 2.59 for bash 3.1-alpha1.
|
||||
@%:@
|
||||
@@ -894,6 +894,8 @@ Optional Features:
|
||||
--enable-single-help-strings
|
||||
store help documentation as a single string to ease
|
||||
translation
|
||||
--enable-strict-posix-default
|
||||
configure bash to be posix-conformant by default
|
||||
--enable-usg-echo-default
|
||||
a synonym for --enable-xpg-echo-default
|
||||
--enable-xpg-echo-default
|
||||
@@ -1714,6 +1716,7 @@ opt_brace_expansion=yes
|
||||
opt_disabled_builtins=no
|
||||
opt_command_timing=yes
|
||||
opt_xpg_echo=no
|
||||
opt_strict_posix=no
|
||||
opt_cond_command=yes
|
||||
opt_cond_regexp=yes
|
||||
opt_arith_for_command=yes
|
||||
@@ -1874,6 +1877,11 @@ if test "${enable_single_help_strings+set}" = set; then
|
||||
enableval="$enable_single_help_strings"
|
||||
opt_single_longdoc_strings=$enableval
|
||||
fi;
|
||||
# Check whether --enable-strict-posix-default or --disable-strict-posix-default was given.
|
||||
if test "${enable_strict_posix_default+set}" = set; then
|
||||
enableval="$enable_strict_posix_default"
|
||||
opt_strict_posix=$enableval
|
||||
fi;
|
||||
# Check whether --enable-usg-echo-default or --disable-usg-echo-default was given.
|
||||
if test "${enable_usg_echo_default+set}" = set; then
|
||||
enableval="$enable_usg_echo_default"
|
||||
@@ -1980,6 +1988,12 @@ cat >>confdefs.h <<\_ACEOF
|
||||
@%:@define DEFAULT_ECHO_TO_XPG 1
|
||||
_ACEOF
|
||||
|
||||
fi
|
||||
if test $opt_strict_posix = yes; then
|
||||
cat >>confdefs.h <<\_ACEOF
|
||||
@%:@define STRICT_POSIX 1
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||||
_ACEOF
|
||||
|
||||
fi
|
||||
if test $opt_extended_glob = yes ; then
|
||||
cat >>confdefs.h <<\_ACEOF
|
||||
|
||||
+1027
-1023
File diff suppressed because it is too large
Load Diff
+1
-1
@@ -72,7 +72,7 @@ $END
|
||||
existing system shells won't barf. Regrettably, the SUS v2 has
|
||||
standardized the Sys V echo behavior. This variable is external
|
||||
so that we can have a `shopt' variable to control it at runtime. */
|
||||
#if defined (DEFAULT_ECHO_TO_XPG)
|
||||
#if defined (DEFAULT_ECHO_TO_XPG) || defined (STRICT_POSIX)
|
||||
int xpg_echo = 1;
|
||||
#else
|
||||
int xpg_echo = 0;
|
||||
|
||||
+1
-6
@@ -31,11 +31,6 @@ $PRODUCES echo.c
|
||||
#include <stdio.h>
|
||||
#include "../shell.h"
|
||||
|
||||
#include <errno.h>
|
||||
#if !defined (errno)
|
||||
extern int errno;
|
||||
#endif
|
||||
|
||||
$BUILTIN echo
|
||||
$FUNCTION echo_builtin
|
||||
$DEPENDS_ON V9_ECHO
|
||||
@@ -180,7 +175,7 @@ just_echo:
|
||||
fflush (stdout);
|
||||
if (ferror (stdout))
|
||||
{
|
||||
builtin_error ("write error: %s", strerror (errno));
|
||||
sh_wrerror ();
|
||||
clearerr (stdout);
|
||||
return (EXECUTION_FAILURE);
|
||||
}
|
||||
|
||||
+5
-1
@@ -157,7 +157,11 @@ static void fc_addhist __P((char *));
|
||||
|
||||
/* String to execute on a file that we want to edit. */
|
||||
#define FC_EDIT_COMMAND "${FCEDIT:-${EDITOR:-vi}}"
|
||||
#define POSIX_FC_EDIT_COMMAND "${FCEDIT:-${EDITOR:-ed}}"
|
||||
#if defined (STRICT_POSIX)
|
||||
# define POSIX_FC_EDIT_COMMAND "${FCEDIT:-ed}"
|
||||
#else
|
||||
# define POSIX_FC_EDIT_COMMAND "${FCEDIT:-${EDITOR:-ed}}"
|
||||
#endif
|
||||
|
||||
int
|
||||
fc_builtin (list)
|
||||
|
||||
+1
-1
@@ -1,7 +1,7 @@
|
||||
This file is fc.def, from which is created fc.c.
|
||||
It implements the builtin "fc" in Bash.
|
||||
|
||||
Copyright (C) 1987-2003 Free Software Foundation, Inc.
|
||||
Copyright (C) 1987-2005 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Bash, the Bourne Again SHell.
|
||||
|
||||
|
||||
@@ -144,6 +144,10 @@
|
||||
bash debugger. */
|
||||
#undef DEBUGGER
|
||||
|
||||
/* Define STRICT_POSIX if you want bash to be strictly posix.2 conformant by
|
||||
default (except for echo; that is controlled separately). */
|
||||
#undef STRICT_POSIX
|
||||
|
||||
/* Define MEMSCRAMBLE if you want the bash malloc and free to scramble
|
||||
memory contents on malloc() and free(). */
|
||||
#undef MEMSCRAMBLE
|
||||
|
||||
@@ -510,6 +510,9 @@
|
||||
/* Define if you have the dup2 function. */
|
||||
#undef HAVE_DUP2
|
||||
|
||||
/* Define if you have the fcntl function. */
|
||||
#undef HAVE_FCNTL
|
||||
|
||||
/* Define if you have the getaddrinfo function. */
|
||||
#undef HAVE_GETADDRINFO
|
||||
|
||||
@@ -534,6 +537,15 @@
|
||||
/* Define if you have the getpeername function. */
|
||||
#undef HAVE_GETPEERNAME
|
||||
|
||||
/* Define if you have the getpwent function. */
|
||||
#undef HAVE_GETPWENT
|
||||
|
||||
/* Define if you have the getpwnam function. */
|
||||
#undef HAVE_GETPWNAM
|
||||
|
||||
/* Define if you have the getpwuid function. */
|
||||
#undef HAVE_GETPWUID
|
||||
|
||||
/* Define if you have the getrlimit function. */
|
||||
#undef HAVE_GETRLIMIT
|
||||
|
||||
@@ -576,6 +588,9 @@
|
||||
/* Define if you have the isxdigit function. */
|
||||
#undef HAVE_ISXDIGIT
|
||||
|
||||
/* Define if you have the kill function. */
|
||||
#undef HAVE_KILL
|
||||
|
||||
/* Define if you have the killpg function. */
|
||||
#undef HAVE_KILLPG
|
||||
|
||||
@@ -791,6 +806,9 @@
|
||||
/* Define if you have the <netinet/in.h> header file. */
|
||||
#undef HAVE_NETINET_IN_H
|
||||
|
||||
/* Define if you have the <pwd.h> header file. */
|
||||
#undef HAVE_PWD_H
|
||||
|
||||
/* Define if you have the <regex.h> header file. */
|
||||
#undef HAVE_REGEX_H
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
#! /bin/sh
|
||||
# From configure.in for Bash 3.1, version 3.179.
|
||||
# From configure.in for Bash 3.1, version 3.180.
|
||||
# Guess values for system-dependent variables and create Makefiles.
|
||||
# Generated by GNU Autoconf 2.59 for bash 3.1-alpha1.
|
||||
#
|
||||
@@ -894,6 +894,8 @@ Optional Features:
|
||||
--enable-single-help-strings
|
||||
store help documentation as a single string to ease
|
||||
translation
|
||||
--enable-strict-posix-default
|
||||
configure bash to be posix-conformant by default
|
||||
--enable-usg-echo-default
|
||||
a synonym for --enable-xpg-echo-default
|
||||
--enable-xpg-echo-default
|
||||
@@ -1714,6 +1716,7 @@ opt_brace_expansion=yes
|
||||
opt_disabled_builtins=no
|
||||
opt_command_timing=yes
|
||||
opt_xpg_echo=no
|
||||
opt_strict_posix=no
|
||||
opt_cond_command=yes
|
||||
opt_cond_regexp=yes
|
||||
opt_arith_for_command=yes
|
||||
@@ -1874,6 +1877,11 @@ if test "${enable_single_help_strings+set}" = set; then
|
||||
enableval="$enable_single_help_strings"
|
||||
opt_single_longdoc_strings=$enableval
|
||||
fi;
|
||||
# Check whether --enable-strict-posix-default or --disable-strict-posix-default was given.
|
||||
if test "${enable_strict_posix_default+set}" = set; then
|
||||
enableval="$enable_strict_posix_default"
|
||||
opt_strict_posix=$enableval
|
||||
fi;
|
||||
# Check whether --enable-usg-echo-default or --disable-usg-echo-default was given.
|
||||
if test "${enable_usg_echo_default+set}" = set; then
|
||||
enableval="$enable_usg_echo_default"
|
||||
@@ -1980,6 +1988,12 @@ cat >>confdefs.h <<\_ACEOF
|
||||
#define DEFAULT_ECHO_TO_XPG 1
|
||||
_ACEOF
|
||||
|
||||
fi
|
||||
if test $opt_strict_posix = yes; then
|
||||
cat >>confdefs.h <<\_ACEOF
|
||||
#define STRICT_POSIX 1
|
||||
_ACEOF
|
||||
|
||||
fi
|
||||
if test $opt_extended_glob = yes ; then
|
||||
cat >>confdefs.h <<\_ACEOF
|
||||
|
||||
+6
-1
@@ -22,7 +22,7 @@ dnl Process this file with autoconf to produce a configure script.
|
||||
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
||||
# 02111-1307, USA.
|
||||
|
||||
AC_REVISION([for Bash 3.1, version 3.179])dnl
|
||||
AC_REVISION([for Bash 3.1, version 3.180])dnl
|
||||
|
||||
define(bashvers, 3.1)
|
||||
define(relstatus, alpha1)
|
||||
@@ -173,6 +173,7 @@ opt_brace_expansion=yes
|
||||
opt_disabled_builtins=no
|
||||
opt_command_timing=yes
|
||||
opt_xpg_echo=no
|
||||
opt_strict_posix=no
|
||||
opt_cond_command=yes
|
||||
opt_cond_regexp=yes
|
||||
opt_arith_for_command=yes
|
||||
@@ -229,6 +230,7 @@ AC_ARG_ENABLE(restricted, AC_HELP_STRING([--enable-restricted], [enable a restri
|
||||
AC_ARG_ENABLE(select, AC_HELP_STRING([--enable-select], [include select command]), opt_select=$enableval)
|
||||
AC_ARG_ENABLE(separate-helpfiles, AC_HELP_STRING([--enable-separate-helpfiles], [use external files for help builtin documentation]), opt_separate_help=$enableval)
|
||||
AC_ARG_ENABLE(single-help-strings, AC_HELP_STRING([--enable-single-help-strings], [store help documentation as a single string to ease translation]), opt_single_longdoc_strings=$enableval)
|
||||
AC_ARG_ENABLE(strict-posix-default, AC_HELP_STRING([--enable-strict-posix-default], [configure bash to be posix-conformant by default]), opt_strict_posix=$enableval)
|
||||
AC_ARG_ENABLE(usg-echo-default, AC_HELP_STRING([--enable-usg-echo-default], [a synonym for --enable-xpg-echo-default]), opt_xpg_echo=$enableval)
|
||||
AC_ARG_ENABLE(xpg-echo-default, AC_HELP_STRING([--enable-xpg-echo-default], [make the echo builtin expand escape sequences by default]), opt_xpg_echo=$enableval)
|
||||
|
||||
@@ -282,6 +284,9 @@ fi
|
||||
if test $opt_xpg_echo = yes ; then
|
||||
AC_DEFINE(DEFAULT_ECHO_TO_XPG)
|
||||
fi
|
||||
if test $opt_strict_posix = yes; then
|
||||
AC_DEFINE(STRICT_POSIX)
|
||||
fi
|
||||
if test $opt_extended_glob = yes ; then
|
||||
AC_DEFINE(EXTENDED_GLOB)
|
||||
fi
|
||||
|
||||
+6
-5
@@ -22,7 +22,7 @@ dnl Process this file with autoconf to produce a configure script.
|
||||
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
||||
# 02111-1307, USA.
|
||||
|
||||
AC_REVISION([for Bash 3.1, version 3.178, from autoconf version] AC_ACVERSION)dnl
|
||||
AC_REVISION([for Bash 3.1, version 3.180])dnl
|
||||
|
||||
define(bashvers, 3.1)
|
||||
define(relstatus, alpha1)
|
||||
@@ -173,6 +173,7 @@ opt_brace_expansion=yes
|
||||
opt_disabled_builtins=no
|
||||
opt_command_timing=yes
|
||||
opt_xpg_echo=no
|
||||
opt_strict_posix=no
|
||||
opt_cond_command=yes
|
||||
opt_cond_regexp=yes
|
||||
opt_arith_for_command=yes
|
||||
@@ -229,6 +230,7 @@ AC_ARG_ENABLE(restricted, AC_HELP_STRING([--enable-restricted], [enable a restri
|
||||
AC_ARG_ENABLE(select, AC_HELP_STRING([--enable-select], [include select command]), opt_select=$enableval)
|
||||
AC_ARG_ENABLE(separate-helpfiles, AC_HELP_STRING([--enable-separate-helpfiles], [use external files for help builtin documentation]), opt_separate_help=$enableval)
|
||||
AC_ARG_ENABLE(single-help-strings, AC_HELP_STRING([--enable-single-help-strings], [store help documentation as a single string to ease translation]), opt_single_longdoc_strings=$enableval)
|
||||
AC_ARG_ENABLE(strict-posix-default, AC_HELP_STRING([--strict-posix-default], [configure bash to be posix-conformant by default]), opt_strict_posix=$enableval)
|
||||
AC_ARG_ENABLE(usg-echo-default, AC_HELP_STRING([--enable-usg-echo-default], [a synonym for --enable-xpg-echo-default]), opt_xpg_echo=$enableval)
|
||||
AC_ARG_ENABLE(xpg-echo-default, AC_HELP_STRING([--enable-xpg-echo-default], [make the echo builtin expand escape sequences by default]), opt_xpg_echo=$enableval)
|
||||
|
||||
@@ -282,6 +284,9 @@ fi
|
||||
if test $opt_xpg_echo = yes ; then
|
||||
AC_DEFINE(DEFAULT_ECHO_TO_XPG)
|
||||
fi
|
||||
if test $opt_strict_posix = yes; then
|
||||
AC_DEFINE(STRICT_POSIX)
|
||||
fi
|
||||
if test $opt_extended_glob = yes ; then
|
||||
AC_DEFINE(EXTENDED_GLOB)
|
||||
fi
|
||||
@@ -363,10 +368,6 @@ dnl test for Unix variants
|
||||
AC_ISC_POSIX
|
||||
AC_MINIX
|
||||
|
||||
dnl test for non-Unix variants
|
||||
AC_CYGWIN
|
||||
AC_MINGW32
|
||||
|
||||
AC_SYS_LARGEFILE
|
||||
|
||||
dnl BEGIN changes for cross-building (currently cygwin, minGW, and
|
||||
|
||||
@@ -64,6 +64,8 @@ shells (\fBksh\fP and \fBcsh\fP).
|
||||
.B Bash
|
||||
is intended to be a conformant implementation of the IEEE
|
||||
POSIX Shell and Tools specification (IEEE Working Group 1003\.2).
|
||||
.B Bash
|
||||
can be configured to be POSIX-conformant by default.
|
||||
.SH OPTIONS
|
||||
In addition to the single-character shell options documented in the
|
||||
description of the \fBset\fR builtin command, \fBbash\fR
|
||||
|
||||
+8
-3
@@ -6,12 +6,12 @@
|
||||
.\" Case Western Reserve University
|
||||
.\" chet@po.CWRU.Edu
|
||||
.\"
|
||||
.\" Last Change: Wed Aug 24 17:20:03 EDT 2005
|
||||
.\" Last Change: Sat Aug 27 13:28:44 EDT 2005
|
||||
.\"
|
||||
.\" bash_builtins, strip all but Built-Ins section
|
||||
.if \n(zZ=1 .ig zZ
|
||||
.if \n(zY=1 .ig zY
|
||||
.TH BASH 1 "2005 Aug 24" "GNU Bash-3.1-alpha1"
|
||||
.TH BASH 1 "2005 Aug 27" "GNU Bash-3.1-alpha1"
|
||||
.\"
|
||||
.\" There's some problem with having a `@'
|
||||
.\" in a tagged paragraph with the BSD man macros.
|
||||
@@ -4565,7 +4565,12 @@ file with a statement of the form
|
||||
Except where noted, readline variables can take the values
|
||||
.B On
|
||||
or
|
||||
.BR Off .
|
||||
.B Off
|
||||
(without regard to case).
|
||||
Unrecognized variable names are ignored.
|
||||
When a variable value is read, empty or null values, "on" (case-insensitive),
|
||||
and "1" are equivalent to \fBOn\fP. All other values are equivalent to
|
||||
\fBOff\fP.
|
||||
The variables and their default values are:
|
||||
.PP
|
||||
.PD 0
|
||||
|
||||
+60
-18
@@ -5223,6 +5223,7 @@ shell to exit.
|
||||
@item
|
||||
When running in @sc{posix} mode, a special builtin returning an error
|
||||
status will not cause the shell to exit (@pxref{Bash POSIX Mode}).
|
||||
|
||||
@item
|
||||
A failed @code{exec} will not cause the shell to exit
|
||||
(@pxref{Bourne Shell Builtins}).
|
||||
@@ -5910,6 +5911,11 @@ The message printed by the job control code and builtins when a job
|
||||
is stopped is `Stopped(@var{signame})', where @var{signame} is, for
|
||||
example, @code{SIGTSTP}.
|
||||
|
||||
@item
|
||||
The @code{bg} builtin uses the required format to describe each job placed
|
||||
in the background, which does not include an indication of whether the job
|
||||
is the current or previous job.
|
||||
|
||||
@item
|
||||
Reserved words appearing in a context where reserved words are recognized
|
||||
do not undergo alias expansion.
|
||||
@@ -5963,7 +5969,7 @@ may not start with a digit. Declaring a function with an invalid name
|
||||
causes a fatal syntax error in non-interactive shells.
|
||||
|
||||
@item
|
||||
@sc{posix} 1003.2 `special' builtins are found before shell functions
|
||||
@sc{posix} 1003.2 special builtins are found before shell functions
|
||||
during command lookup.
|
||||
|
||||
@item
|
||||
@@ -6057,6 +6063,11 @@ falling back to @var{physical} mode.
|
||||
When the @code{pwd} builtin is supplied the @option{-P} option, it resets
|
||||
@code{$PWD} to a pathname containing no symlinks.
|
||||
|
||||
@item
|
||||
The @code{pwd} builtin verifies that the value it prints is the same as the
|
||||
current directory, even if it is not asked to check the file system with the
|
||||
@option{-P} option.
|
||||
|
||||
@item
|
||||
When listing the history, the @code{fc} builtin does not include an
|
||||
indication of whether or not a history entry has been modified.
|
||||
@@ -6069,6 +6080,11 @@ The @code{type} and @code{command} builtins will not report a non-executable
|
||||
file as having been found, though the shell will attempt to execute such a
|
||||
file if it is the only so-named file found in @code{$PATH}.
|
||||
|
||||
@item
|
||||
The @code{vi} editing mode will invoke the @code{vi} editor directly when
|
||||
the @samp{v} command is run, instead of checking @code{$FCEDIT} and
|
||||
@code{$EDITOR}.
|
||||
|
||||
@item
|
||||
When the @code{xpg_echo} option is enabled, Bash does not attempt to interpret
|
||||
any arguments to @code{echo} as options. Each argument is displayed, after
|
||||
@@ -6076,27 +6092,27 @@ escape characters are converted.
|
||||
|
||||
@end enumerate
|
||||
|
||||
There is other @sc{posix} 1003.2 behavior that Bash does not implement.
|
||||
There is other @sc{posix} 1003.2 behavior that Bash does not implement by
|
||||
default even when in @sc{posix} mode.
|
||||
Specifically:
|
||||
|
||||
@enumerate
|
||||
@item
|
||||
Assignment statements affect the execution environment of all
|
||||
builtins, not just special ones.
|
||||
|
||||
@item
|
||||
When a subshell is created to execute a shell script with execute permission,
|
||||
but without a leading @samp{#!}, Bash sets @code{$0} to the full pathname of
|
||||
the script as found by searching @code{$PATH}, rather than the command as
|
||||
typed by the user.
|
||||
The @code{fc} builtin checks @code{$EDITOR} as a program to edit history
|
||||
entries if @code{FCEDIT} is unset, rather than defaulting directly to
|
||||
@code{ed}. @code{fc} uses @code{ed} if @code{EDITOR} is unset.
|
||||
|
||||
@item
|
||||
The @code{fc} builtin checks @code{$EDITOR} as a program to edit history lines
|
||||
if @code{FCEDIT} is unset, rather than defaulting directly to @code{ed}.
|
||||
@code{fc} uses @code{ed} if @code{EDITOR} is unset.
|
||||
As noted above, Bash requires the @code{xpg_echo} option to be enabled for
|
||||
the @code{echo} builtin to be fully conformant.
|
||||
|
||||
@end enumerate
|
||||
|
||||
Bash can be configured to be @sc{posix}-conformant by default, by specifying
|
||||
the @option{--enable-strict-posix-default} to @code{configure} when building
|
||||
(@pxref{Optional Features}).
|
||||
|
||||
@node Job Control
|
||||
@chapter Job Control
|
||||
|
||||
@@ -6640,10 +6656,10 @@ Define if you are using the Andrew File System from Transarc.
|
||||
|
||||
@item --with-bash-malloc
|
||||
Use the Bash version of
|
||||
@code{malloc} in @file{lib/malloc/malloc.c}. This is not the same
|
||||
@code{malloc} in the directory @file{lib/malloc}. This is not the same
|
||||
@code{malloc} that appears in @sc{gnu} libc, but an older version
|
||||
derived from the 4.2 @sc{bsd} @code{malloc}. This @code{malloc} is
|
||||
very fast, but wastes some space on each allocation.
|
||||
originally derived from the 4.2 @sc{bsd} @code{malloc}. This @code{malloc}
|
||||
is very fast, but wastes some space on each allocation.
|
||||
This option is enabled by default.
|
||||
The @file{NOTES} file contains a list of systems for
|
||||
which this should be turned off, and @code{configure} disables this
|
||||
@@ -6830,6 +6846,9 @@ each help topic. This aids in translating the text to different languages.
|
||||
You may need to disable this if your compiler cannot handle very long string
|
||||
literals.
|
||||
|
||||
@item --enable-strict-posix-default
|
||||
Make Bash @sc{posix}-conformant by default (@pxref{Bash Posix Mode}).
|
||||
|
||||
@item --enable-usg-echo-default
|
||||
A synonym for @code{--enable-xpg-echo-default}.
|
||||
|
||||
@@ -6902,8 +6921,8 @@ differences between the traditional Bourne shell and Bash; this
|
||||
section quickly details the differences of significance. A
|
||||
number of these differences are explained in greater depth in
|
||||
previous sections.
|
||||
This section uses the version of @code{sh} included in SVR4.2 as
|
||||
the baseline reference.
|
||||
This section uses the version of @code{sh} included in SVR4.2 (the
|
||||
last version of the historical Bourne shell) as the baseline reference.
|
||||
|
||||
@itemize @bullet
|
||||
|
||||
@@ -6955,6 +6974,8 @@ invocation options list the translatable strings found in a script
|
||||
Bash implements the @code{!} keyword to negate the return value of
|
||||
a pipeline (@pxref{Pipelines}).
|
||||
Very useful when an @code{if} statement needs to act only if a test fails.
|
||||
The Bash @samp{-o pipefail} option to @code{set} will cause a pipeline to
|
||||
return a failure status if any command fails.
|
||||
|
||||
@item
|
||||
Bash has the @code{time} reserved word and command timing (@pxref{Pipelines}).
|
||||
@@ -6971,7 +6992,12 @@ generation of simple menus (@pxref{Conditional Constructs}).
|
||||
|
||||
@item
|
||||
Bash includes the @code{[[} compound command, which makes conditional
|
||||
testing part of the shell grammar (@pxref{Conditional Constructs}).
|
||||
testing part of the shell grammar (@pxref{Conditional Constructs}), including
|
||||
optional regular expression matching.
|
||||
|
||||
@item
|
||||
Bash provides optional case-insensitive matching for the @code{case} and
|
||||
@code{[[} constructs.
|
||||
|
||||
@item
|
||||
Bash includes brace expansion (@pxref{Brace Expansion}) and tilde
|
||||
@@ -6992,6 +7018,10 @@ exported to child processes. The Bourne shell does not normally do
|
||||
this unless the variables are explicitly marked using the @code{export}
|
||||
command.
|
||||
|
||||
@item
|
||||
Bash supports the @samp{+=} assignment operator, which appends to the value
|
||||
of the variable named on the left hand side.
|
||||
|
||||
@item
|
||||
Bash includes the @sc{posix} pattern removal @samp{%}, @samp{#}, @samp{%%}
|
||||
and @samp{##} expansions to remove leading or trailing substrings from
|
||||
@@ -7083,6 +7113,14 @@ opened for both reading and writing, and the @samp{&>} redirection
|
||||
operator, for directing standard output and standard error to the same
|
||||
file (@pxref{Redirections}).
|
||||
|
||||
@item
|
||||
Bash includes the @samp{<<<} redirection operator, allowing a string to
|
||||
be used as the standard input to a command.
|
||||
|
||||
@item
|
||||
Bash implements the @samp{[n]<&@var{word}} and @samp{[n]>&@var{word}}
|
||||
redirection operators, which move one file descriptor to another.
|
||||
|
||||
@item
|
||||
Bash treats a number of filenames specially when they are
|
||||
used in redirection operators (@pxref{Redirections}).
|
||||
@@ -7252,6 +7290,10 @@ job table (@pxref{Job Control Builtins}) or suppress the sending
|
||||
of @code{SIGHUP} to a job when the shell exits as the result of a
|
||||
@code{SIGHUP}.
|
||||
|
||||
@item
|
||||
Bash includes a number of features to support a separate debugger for
|
||||
shell scripts.
|
||||
|
||||
@item
|
||||
The SVR4.2 shell has two privilege-related builtins
|
||||
(@code{mldmode} and @code{priv}) not present in Bash.
|
||||
|
||||
+50
-11
@@ -5223,6 +5223,7 @@ shell to exit.
|
||||
@item
|
||||
When running in @sc{posix} mode, a special builtin returning an error
|
||||
status will not cause the shell to exit (@pxref{Bash POSIX Mode}).
|
||||
|
||||
@item
|
||||
A failed @code{exec} will not cause the shell to exit
|
||||
(@pxref{Bourne Shell Builtins}).
|
||||
@@ -5910,6 +5911,11 @@ The message printed by the job control code and builtins when a job
|
||||
is stopped is `Stopped(@var{signame})', where @var{signame} is, for
|
||||
example, @code{SIGTSTP}.
|
||||
|
||||
@item
|
||||
The @code{bg} builtin uses the required format to describe each job placed
|
||||
in the background, which does not include an indication of whether the job
|
||||
is the current or previous job.
|
||||
|
||||
@item
|
||||
Reserved words appearing in a context where reserved words are recognized
|
||||
do not undergo alias expansion.
|
||||
@@ -5963,7 +5969,7 @@ may not start with a digit. Declaring a function with an invalid name
|
||||
causes a fatal syntax error in non-interactive shells.
|
||||
|
||||
@item
|
||||
@sc{posix} 1003.2 `special' builtins are found before shell functions
|
||||
@sc{posix} 1003.2 special builtins are found before shell functions
|
||||
during command lookup.
|
||||
|
||||
@item
|
||||
@@ -6057,6 +6063,11 @@ falling back to @var{physical} mode.
|
||||
When the @code{pwd} builtin is supplied the @option{-P} option, it resets
|
||||
@code{$PWD} to a pathname containing no symlinks.
|
||||
|
||||
@item
|
||||
The @code{pwd} builtin verifies that the value it prints is the same as the
|
||||
current directory, even if it is not asked to check the file system with the
|
||||
@option{-P} option.
|
||||
|
||||
@item
|
||||
When listing the history, the @code{fc} builtin does not include an
|
||||
indication of whether or not a history entry has been modified.
|
||||
@@ -6069,6 +6080,11 @@ The @code{type} and @code{command} builtins will not report a non-executable
|
||||
file as having been found, though the shell will attempt to execute such a
|
||||
file if it is the only so-named file found in @code{$PATH}.
|
||||
|
||||
@item
|
||||
The @code{vi} editing mode will invoke the @code{vi} editor directly when
|
||||
the @samp{v} command is run, instead of checking @code{$FCEDIT} and
|
||||
@code{$EDITOR}.
|
||||
|
||||
@item
|
||||
When the @code{xpg_echo} option is enabled, Bash does not attempt to interpret
|
||||
any arguments to @code{echo} as options. Each argument is displayed, after
|
||||
@@ -6080,15 +6096,15 @@ There is other @sc{posix} 1003.2 behavior that Bash does not implement.
|
||||
Specifically:
|
||||
|
||||
@enumerate
|
||||
@item
|
||||
Assignment statements affect the execution environment of all
|
||||
builtins, not just special ones.
|
||||
|
||||
@item
|
||||
When a subshell is created to execute a shell script with execute permission,
|
||||
but without a leading @samp{#!}, Bash sets @code{$0} to the full pathname of
|
||||
the script as found by searching @code{$PATH}, rather than the command as
|
||||
typed by the user.
|
||||
The @code{fc} builtin checks @code{$EDITOR} as a program to edit history lines
|
||||
if @code{FCEDIT} is unset, rather than defaulting directly to @code{ed}.
|
||||
@code{fc} uses @code{ed} if @code{EDITOR} is unset.
|
||||
|
||||
@item
|
||||
As noted above, Bash requires the @code{xpg_echo} option to be enabled for
|
||||
the @code{echo} builtin to be fully conformant.
|
||||
|
||||
@end enumerate
|
||||
|
||||
@@ -6897,8 +6913,8 @@ differences between the traditional Bourne shell and Bash; this
|
||||
section quickly details the differences of significance. A
|
||||
number of these differences are explained in greater depth in
|
||||
previous sections.
|
||||
This section uses the version of @code{sh} included in SVR4.2 as
|
||||
the baseline reference.
|
||||
This section uses the version of @code{sh} included in SVR4.2 (the
|
||||
last version of the historical Bourne shell) as the baseline reference.
|
||||
|
||||
@itemize @bullet
|
||||
|
||||
@@ -6950,6 +6966,8 @@ invocation options list the translatable strings found in a script
|
||||
Bash implements the @code{!} keyword to negate the return value of
|
||||
a pipeline (@pxref{Pipelines}).
|
||||
Very useful when an @code{if} statement needs to act only if a test fails.
|
||||
The Bash @samp{-o pipefail} option to @code{set} will cause a pipeline to
|
||||
return a failure status if any command fails.
|
||||
|
||||
@item
|
||||
Bash has the @code{time} reserved word and command timing (@pxref{Pipelines}).
|
||||
@@ -6966,7 +6984,12 @@ generation of simple menus (@pxref{Conditional Constructs}).
|
||||
|
||||
@item
|
||||
Bash includes the @code{[[} compound command, which makes conditional
|
||||
testing part of the shell grammar (@pxref{Conditional Constructs}).
|
||||
testing part of the shell grammar (@pxref{Conditional Constructs}), including
|
||||
optional regular expression matching.
|
||||
|
||||
@item
|
||||
Bash provides optional case-insensitive matching for the @code{case} and
|
||||
@code{[[} constructs.
|
||||
|
||||
@item
|
||||
Bash includes brace expansion (@pxref{Brace Expansion}) and tilde
|
||||
@@ -6987,6 +7010,10 @@ exported to child processes. The Bourne shell does not normally do
|
||||
this unless the variables are explicitly marked using the @code{export}
|
||||
command.
|
||||
|
||||
@item
|
||||
Bash supports the @samp{+=} assignment operator, which appends to the value
|
||||
of the variable named on the left hand side.
|
||||
|
||||
@item
|
||||
Bash includes the @sc{posix} pattern removal @samp{%}, @samp{#}, @samp{%%}
|
||||
and @samp{##} expansions to remove leading or trailing substrings from
|
||||
@@ -7078,6 +7105,14 @@ opened for both reading and writing, and the @samp{&>} redirection
|
||||
operator, for directing standard output and standard error to the same
|
||||
file (@pxref{Redirections}).
|
||||
|
||||
@item
|
||||
Bash includes the @samp{<<<} redirection operator, allowing a string to
|
||||
be used as the standard input to a command.
|
||||
|
||||
@item
|
||||
Bash implements the @samp{[n]<&@var{word}} and @samp{[n]>&@var{word}}
|
||||
redirection operators, which move one file descriptor to another.
|
||||
|
||||
@item
|
||||
Bash treats a number of filenames specially when they are
|
||||
used in redirection operators (@pxref{Redirections}).
|
||||
@@ -7247,6 +7282,10 @@ job table (@pxref{Job Control Builtins}) or suppress the sending
|
||||
of @code{SIGHUP} to a job when the shell exits as the result of a
|
||||
@code{SIGHUP}.
|
||||
|
||||
@item
|
||||
Bash includes a number of features to support a separate debugger for
|
||||
shell scripts.
|
||||
|
||||
@item
|
||||
The SVR4.2 shell has two privilege-related builtins
|
||||
(@code{mldmode} and @code{priv}) not present in Bash.
|
||||
|
||||
+3
-3
@@ -2,9 +2,9 @@
|
||||
Copyright (C) 1988-2005 Free Software Foundation, Inc.
|
||||
@end ignore
|
||||
|
||||
@set LASTCHANGE Sat Aug 27 13:54:54 EDT 2005
|
||||
@set LASTCHANGE Mon Sep 5 11:47:04 EDT 2005
|
||||
|
||||
@set EDITION 3.1-alpha1
|
||||
@set VERSION 3.1-alpha1
|
||||
@set UPDATED 27 August 2005
|
||||
@set UPDATED-MONTH August 2005
|
||||
@set UPDATED 5 September 2005
|
||||
@set UPDATED-MONTH September 2005
|
||||
|
||||
+3
-3
@@ -2,9 +2,9 @@
|
||||
Copyright (C) 1988-2005 Free Software Foundation, Inc.
|
||||
@end ignore
|
||||
|
||||
@set LASTCHANGE Wed Aug 24 17:22:10 EDT 2005
|
||||
@set LASTCHANGE Sat Sep 3 18:31:49 EDT 2005
|
||||
|
||||
@set EDITION 3.1-alpha1
|
||||
@set VERSION 3.1-alpha1
|
||||
@set UPDATED 24 August 2005
|
||||
@set UPDATED-MONTH August 2005
|
||||
@set UPDATED 3 September 2005
|
||||
@set UPDATED-MONTH September 2005
|
||||
|
||||
@@ -0,0 +1,301 @@
|
||||
/*
|
||||
*
|
||||
* Another test harness for the readline callback interface.
|
||||
*
|
||||
* Author: Bob Rossi <bob@brasko.net>
|
||||
*/
|
||||
|
||||
#if defined (HAVE_CONFIG_H)
|
||||
#include <config.h>
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
#include <sys/types.h>
|
||||
#include <errno.h>
|
||||
#include <curses.h>
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <signal.h>
|
||||
|
||||
#if 0 /* LINUX */
|
||||
#include <pty.h>
|
||||
#else
|
||||
#include <util.h>
|
||||
#endif
|
||||
|
||||
#ifdef READLINE_LIBRARY
|
||||
# include "readline.h"
|
||||
#else
|
||||
# include <readline/readline.h>
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Master/Slave PTY used to keep readline off of stdin/stdout.
|
||||
*/
|
||||
static int masterfd = -1;
|
||||
static int slavefd;
|
||||
|
||||
void
|
||||
sigint (s)
|
||||
int s;
|
||||
{
|
||||
tty_reset (STDIN_FILENO);
|
||||
close (masterfd);
|
||||
close (slavefd);
|
||||
printf ("\n");
|
||||
exit (0);
|
||||
}
|
||||
|
||||
static int
|
||||
user_input()
|
||||
{
|
||||
int size;
|
||||
const int MAX = 1024;
|
||||
char *buf = (char *)malloc(MAX+1);
|
||||
|
||||
size = read (STDIN_FILENO, buf, MAX);
|
||||
if (size == -1)
|
||||
return -1;
|
||||
|
||||
size = write (masterfd, buf, size);
|
||||
if (size == -1)
|
||||
return -1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
readline_input()
|
||||
{
|
||||
const int MAX = 1024;
|
||||
char *buf = (char *)malloc(MAX+1);
|
||||
int size;
|
||||
|
||||
size = read (masterfd, buf, MAX);
|
||||
if (size == -1)
|
||||
{
|
||||
free( buf );
|
||||
buf = NULL;
|
||||
return -1;
|
||||
}
|
||||
|
||||
buf[size] = 0;
|
||||
|
||||
/* Display output from readline */
|
||||
if ( size > 0 )
|
||||
fprintf(stderr, "%s", buf);
|
||||
|
||||
free( buf );
|
||||
buf = NULL;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
rlctx_send_user_command(char *line)
|
||||
{
|
||||
/* This happens when rl_callback_read_char gets EOF */
|
||||
if ( line == NULL )
|
||||
return;
|
||||
|
||||
if (strcmp (line, "exit") == 0) {
|
||||
tty_reset (STDIN_FILENO);
|
||||
close (masterfd);
|
||||
close (slavefd);
|
||||
printf ("\n");
|
||||
exit (0);
|
||||
}
|
||||
|
||||
/* Don't add the enter command */
|
||||
if ( line && *line != '\0' )
|
||||
add_history(line);
|
||||
}
|
||||
|
||||
static void
|
||||
custom_deprep_term_function ()
|
||||
{
|
||||
}
|
||||
|
||||
static int
|
||||
init_readline (int inputfd, int outputfd)
|
||||
{
|
||||
FILE *inputFILE, *outputFILE;
|
||||
|
||||
inputFILE = fdopen (inputfd, "r");
|
||||
if (!inputFILE)
|
||||
return -1;
|
||||
|
||||
outputFILE = fdopen (outputfd, "w");
|
||||
if (!outputFILE)
|
||||
return -1;
|
||||
|
||||
rl_instream = inputFILE;
|
||||
rl_outstream = outputFILE;
|
||||
|
||||
/* Tell readline what the prompt is if it needs to put it back */
|
||||
rl_callback_handler_install("(rltest): ", rlctx_send_user_command);
|
||||
|
||||
/* Set the terminal type to dumb so the output of readline can be
|
||||
* understood by tgdb */
|
||||
if ( rl_reset_terminal("dumb") == -1 )
|
||||
return -1;
|
||||
|
||||
/* For some reason, readline can not deprep the terminal.
|
||||
* However, it doesn't matter because no other application is working on
|
||||
* the terminal besides readline */
|
||||
rl_deprep_term_function = custom_deprep_term_function;
|
||||
|
||||
using_history();
|
||||
read_history(".history");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
main_loop(void)
|
||||
{
|
||||
fd_set rset;
|
||||
int max;
|
||||
|
||||
max = (masterfd > STDIN_FILENO) ? masterfd : STDIN_FILENO;
|
||||
max = (max > slavefd) ? max : slavefd;
|
||||
|
||||
for (;;)
|
||||
{
|
||||
/* Reset the fd_set, and watch for input from GDB or stdin */
|
||||
FD_ZERO(&rset);
|
||||
|
||||
FD_SET(STDIN_FILENO, &rset);
|
||||
FD_SET(slavefd, &rset);
|
||||
FD_SET(masterfd, &rset);
|
||||
|
||||
/* Wait for input */
|
||||
if (select(max + 1, &rset, NULL, NULL, NULL) == -1)
|
||||
{
|
||||
if (errno == EINTR)
|
||||
continue;
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Input received through the pty: Handle it
|
||||
* Wrote to masterfd, slave fd has that input, alert readline to read it.
|
||||
*/
|
||||
if (FD_ISSET(slavefd, &rset))
|
||||
rl_callback_read_char();
|
||||
|
||||
/* Input received through the pty.
|
||||
* Readline read from slavefd, and it wrote to the masterfd.
|
||||
*/
|
||||
if (FD_ISSET(masterfd, &rset))
|
||||
if ( readline_input() == -1 )
|
||||
return -1;
|
||||
|
||||
/* Input received: Handle it, write to masterfd (input to readline) */
|
||||
if (FD_ISSET(STDIN_FILENO, &rset))
|
||||
if ( user_input() == -1 )
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* The terminal attributes before calling tty_cbreak */
|
||||
static struct termios save_termios;
|
||||
static struct winsize size;
|
||||
static enum { RESET, TCBREAK } ttystate = RESET;
|
||||
|
||||
/* tty_cbreak: Sets terminal to cbreak mode. Also known as noncanonical mode.
|
||||
* 1. Signal handling is still turned on, so the user can still type those.
|
||||
* 2. echo is off
|
||||
* 3. Read in one char at a time.
|
||||
*
|
||||
* fd - The file descriptor of the terminal
|
||||
*
|
||||
* Returns: 0 on sucess, -1 on error
|
||||
*/
|
||||
int tty_cbreak(int fd){
|
||||
struct termios buf;
|
||||
int ttysavefd = -1;
|
||||
|
||||
if(tcgetattr(fd, &save_termios) < 0)
|
||||
return -1;
|
||||
|
||||
buf = save_termios;
|
||||
buf.c_lflag &= ~(ECHO | ICANON);
|
||||
buf.c_iflag &= ~(ICRNL | INLCR);
|
||||
buf.c_cc[VMIN] = 1;
|
||||
buf.c_cc[VTIME] = 0;
|
||||
|
||||
#if defined (VLNEXT) && defined (_POSIX_VDISABLE)
|
||||
buf.c_cc[VLNEXT] = _POSIX_VDISABLE;
|
||||
#endif
|
||||
|
||||
#if defined (VDSUSP) && defined (_POSIX_VDISABLE)
|
||||
buf.c_cc[VDSUSP] = _POSIX_VDISABLE;
|
||||
#endif
|
||||
|
||||
if(tcsetattr(fd, TCSAFLUSH, &buf) < 0)
|
||||
return -1;
|
||||
|
||||
ttystate = TCBREAK;
|
||||
ttysavefd = fd;
|
||||
|
||||
/* set size */
|
||||
if(ioctl(fd, TIOCGWINSZ, (char *)&size) < 0)
|
||||
return -1;
|
||||
|
||||
#ifdef DEBUG
|
||||
err_msg("%d rows and %d cols\n", size.ws_row, size.ws_col);
|
||||
#endif
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
/* tty_reset: Sets the terminal attributes back to their previous state.
|
||||
* PRE: tty_cbreak must have already been called.
|
||||
*
|
||||
* fd - The file descrioptor of the terminal to reset.
|
||||
*
|
||||
* Returns: 0 on success, -1 on error
|
||||
*/
|
||||
int tty_reset(int fd){
|
||||
if(ttystate != TCBREAK)
|
||||
return (0);
|
||||
|
||||
if(tcsetattr(fd, TCSAFLUSH, &save_termios) < 0)
|
||||
return (-1);
|
||||
|
||||
ttystate = RESET;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
main()
|
||||
{
|
||||
int val;
|
||||
val = openpty (&masterfd, &slavefd, NULL, NULL, NULL);
|
||||
if (val == -1)
|
||||
return -1;
|
||||
|
||||
val = init_readline (slavefd, slavefd);
|
||||
if (val == -1)
|
||||
return -1;
|
||||
|
||||
val = tty_cbreak (STDIN_FILENO);
|
||||
if (val == -1)
|
||||
return -1;
|
||||
|
||||
signal (SIGINT, sigint);
|
||||
|
||||
val = main_loop ();
|
||||
|
||||
tty_reset (STDIN_FILENO);
|
||||
|
||||
if (val == -1)
|
||||
return -1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
@@ -2819,9 +2819,17 @@ parse_matched_pair (qc, open, close, lenp, flags)
|
||||
ttrans = ansiexpand (nestret, 0, nestlen - 1, &ttranslen);
|
||||
xfree (nestret);
|
||||
|
||||
nestret = sh_single_quote (ttrans);
|
||||
free (ttrans);
|
||||
nestlen = strlen (nestret);
|
||||
if ((rflags & P_DQUOTE) == 0)
|
||||
{
|
||||
nestret = sh_single_quote (ttrans);
|
||||
free (ttrans);
|
||||
nestlen = strlen (nestret);
|
||||
}
|
||||
else
|
||||
{
|
||||
nestret = ttrans;
|
||||
nestlen = ttranslen;
|
||||
}
|
||||
retind -= 2; /* back up before the $' */
|
||||
}
|
||||
else if MBTEST(was_dollar && ch == '"' && (extended_quote || (rflags & P_DQUOTE) == 0))
|
||||
|
||||
@@ -2881,18 +2881,8 @@ add_nestret:
|
||||
nestret = parse_matched_pair (0, '{', '}', &nestlen, P_FIRSTCLOSE|rflags);
|
||||
else if (ch == '[') /* ] */
|
||||
nestret = parse_matched_pair (0, '[', ']', &nestlen, rflags);
|
||||
if (nestret == &matched_pair_error)
|
||||
{
|
||||
free (ret);
|
||||
return &matched_pair_error;
|
||||
}
|
||||
if (nestlen)
|
||||
{
|
||||
RESIZE_MALLOCED_BUFFER (ret, retind, nestlen, retsize, 64);
|
||||
strcpy (ret + retind, nestret);
|
||||
retind += nestlen;
|
||||
}
|
||||
FREE (nestret);
|
||||
|
||||
goto add_nestret;
|
||||
}
|
||||
was_dollar = MBTEST(ch == '$');
|
||||
}
|
||||
|
||||
@@ -197,12 +197,18 @@ static int want_initial_help; /* --help option */
|
||||
|
||||
int debugging_mode = 0; /* In debugging mode with --debugger */
|
||||
int no_line_editing = 0; /* Don't do fancy line editing. */
|
||||
int posixly_correct = 0; /* Non-zero means posix.2 superset. */
|
||||
int dump_translatable_strings; /* Dump strings in $"...", don't execute. */
|
||||
int dump_po_strings; /* Dump strings in $"..." in po format */
|
||||
int wordexp_only = 0; /* Do word expansion only */
|
||||
int protected_mode = 0; /* No command substitution with --wordexp */
|
||||
|
||||
#if defined (STRICT_POSIX)
|
||||
int posixly_correct = 1; /* Non-zero means posix.2 superset. */
|
||||
#else
|
||||
int posixly_correct = 0; /* Non-zero means posix.2 superset. */
|
||||
#endif
|
||||
|
||||
|
||||
/* Some long-winded argument names. These are obviously new. */
|
||||
#define Int 1
|
||||
#define Charp 2
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
/* shell.c -- GNU's idea of the POSIX shell specification. */
|
||||
|
||||
/* Copyright (C) 1987-2004 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Bash, the Bourne Again SHell.
|
||||
|
||||
@@ -96,10 +96,11 @@ extern int shell_level;
|
||||
extern int subshell_environment;
|
||||
extern int last_command_exit_value;
|
||||
extern int line_number;
|
||||
extern char *primary_prompt, *secondary_prompt;
|
||||
extern int expand_aliases;
|
||||
extern char *this_command_name;
|
||||
extern int array_needs_making;
|
||||
extern int gnu_error_format;
|
||||
extern char *primary_prompt, *secondary_prompt;
|
||||
extern char *this_command_name;
|
||||
|
||||
/* Non-zero means that this shell has already been run; i.e. you should
|
||||
call shell_reinitialize () if you need to start afresh. */
|
||||
@@ -361,7 +362,7 @@ main (argc, argv, env)
|
||||
#endif /* __CYGWIN__ */
|
||||
|
||||
/* Wait forever if we are debugging a login shell. */
|
||||
while (debugging_login_shell);
|
||||
while (debugging_login_shell) sleep (3);
|
||||
|
||||
set_default_locale ();
|
||||
|
||||
@@ -386,6 +387,8 @@ main (argc, argv, env)
|
||||
|
||||
/* Initialize `local' variables for all `invocations' of main (). */
|
||||
arg_index = 1;
|
||||
if (arg_index > argc)
|
||||
arg_index = argc;
|
||||
command_execution_string = (char *)NULL;
|
||||
want_pending_command = locally_skip_execution = read_from_stdin = 0;
|
||||
default_input = stdin;
|
||||
@@ -511,7 +514,7 @@ main (argc, argv, env)
|
||||
alias expansion in non-interactive shells, and other Posix.2 things. */
|
||||
if (posixly_correct)
|
||||
{
|
||||
bind_variable ("POSIXLY_CORRECT", "y");
|
||||
bind_variable ("POSIXLY_CORRECT", "y", 0);
|
||||
sv_strict_posix ("POSIXLY_CORRECT");
|
||||
}
|
||||
|
||||
@@ -532,13 +535,14 @@ main (argc, argv, env)
|
||||
term = get_string_value ("TERM");
|
||||
no_line_editing |= term && (STREQ (term, "emacs"));
|
||||
emacs = get_string_value ("EMACS");
|
||||
running_under_emacs = emacs ? ((strmatch ("*term*", emacs, 0) == 0) ? 2 : 1)
|
||||
: 0;
|
||||
running_under_emacs = emacs ? ((strstr (emacs, "term") != 0) ? 2 : 1) : 0;
|
||||
#if 0
|
||||
no_line_editing |= emacs && emacs[0] == 't' && emacs[1] == '\0';
|
||||
#else
|
||||
no_line_editing |= emacs && emacs[0] == 't' && emacs[1] == '\0' && STREQ (term, "dumb");
|
||||
#endif
|
||||
if (running_under_emacs)
|
||||
gnu_error_format = 1;
|
||||
}
|
||||
|
||||
top_level_arg_index = arg_index;
|
||||
@@ -610,7 +614,7 @@ main (argc, argv, env)
|
||||
/* If we are invoked as `sh', turn on Posix mode. */
|
||||
if (act_like_sh)
|
||||
{
|
||||
bind_variable ("POSIXLY_CORRECT", "y");
|
||||
bind_variable ("POSIXLY_CORRECT", "y", 0);
|
||||
sv_strict_posix ("POSIXLY_CORRECT");
|
||||
}
|
||||
|
||||
@@ -1270,7 +1274,7 @@ bind_args (argv, arg_start, arg_end, start_index)
|
||||
register int i;
|
||||
WORD_LIST *args;
|
||||
|
||||
for (i = arg_start, args = (WORD_LIST *)NULL; i != arg_end; i++)
|
||||
for (i = arg_start, args = (WORD_LIST *)NULL; i < arg_end; i++)
|
||||
args = make_word_list (make_word (argv[i]), args);
|
||||
if (args)
|
||||
{
|
||||
@@ -1478,17 +1482,12 @@ set_bash_input ()
|
||||
/* with_input_from_stdin really means `with_input_from_readline' */
|
||||
if (interactive && no_line_editing == 0)
|
||||
with_input_from_stdin ();
|
||||
else
|
||||
#if defined (BUFFERED_INPUT)
|
||||
{
|
||||
if (interactive == 0)
|
||||
with_input_from_buffered_stream (default_buffered_input, dollar_vars[0]);
|
||||
else
|
||||
with_input_from_stream (default_input, dollar_vars[0]);
|
||||
}
|
||||
#else /* !BUFFERED_INPUT */
|
||||
else if (interactive == 0)
|
||||
with_input_from_buffered_stream (default_buffered_input, dollar_vars[0]);
|
||||
#endif /* BUFFERED_INPUT */
|
||||
else
|
||||
with_input_from_stream (default_input, dollar_vars[0]);
|
||||
#endif /* !BUFFERED_INPUT */
|
||||
}
|
||||
|
||||
/* Close the current shell script input source and forget about it. This is
|
||||
@@ -1526,7 +1525,7 @@ set_shell_name (argv0)
|
||||
{
|
||||
/* Here's a hack. If the name of this shell is "sh", then don't do
|
||||
any startup files; just try to be more like /bin/sh. */
|
||||
shell_name = base_pathname (argv0);
|
||||
shell_name = argv0 ? base_pathname (argv0) : PROGRAM;
|
||||
|
||||
if (*shell_name == '-')
|
||||
{
|
||||
@@ -1539,7 +1538,7 @@ set_shell_name (argv0)
|
||||
if (shell_name[0] == 's' && shell_name[1] == 'u' && shell_name[2] == '\0')
|
||||
su_shell++;
|
||||
|
||||
shell_name = argv0;
|
||||
shell_name = argv0 ? argv0 : PROGRAM;
|
||||
FREE (dollar_vars[0]);
|
||||
dollar_vars[0] = savestring (shell_name);
|
||||
|
||||
|
||||
@@ -0,0 +1 @@
|
||||
# tests 6856 passed 6856 failed 0
|
||||
@@ -0,0 +1,257 @@
|
||||
# Usage: $SHELL ifs.sh
|
||||
#
|
||||
# This script generates 6856 tests for the set(1) and read(1)
|
||||
# builtins w.r.t. IFS whitespace and non-whitespace characters.
|
||||
# Each failed test produces one line on the standard output that
|
||||
# contains the test along with the expected and actual results.
|
||||
# The last output line contains the test result counts. ordered>0
|
||||
# are the number of tests where IFS=": " produced different results
|
||||
# than IFS=" :". If a test fails the same way for IFS=": " and
|
||||
# IFS=" :" then the second output line is suppressed.
|
||||
|
||||
TESTS=6856
|
||||
|
||||
ksh_read=0
|
||||
echo 1 | read ksh_read
|
||||
ksh_arith=0
|
||||
eval '((ksh_arith+=1))' 2>/dev/null
|
||||
|
||||
failed=0
|
||||
ordered=0
|
||||
passed=0
|
||||
|
||||
split()
|
||||
{
|
||||
i=$1 s=$2 r=$3 S='' R=''
|
||||
for ifs in ': ' ' :'
|
||||
do IFS=$ifs
|
||||
set x $i
|
||||
shift
|
||||
IFS=' '
|
||||
g="[$#]"
|
||||
while :
|
||||
do case $# in
|
||||
0) break ;;
|
||||
esac
|
||||
g="$g($1)"
|
||||
shift
|
||||
done
|
||||
case $g in
|
||||
"$s") case $ksh_arith in
|
||||
1) ((passed+=1)) ;;
|
||||
*) passed=`expr $passed + 1` ;;
|
||||
esac
|
||||
case $S in
|
||||
'') S=$g
|
||||
;;
|
||||
"$g") ;;
|
||||
*) case $ksh_arith in
|
||||
1) ((ordered+=1)) ;;
|
||||
*) ordered=`expr $ordered + 1` ;;
|
||||
esac
|
||||
;;
|
||||
esac
|
||||
;;
|
||||
"$S") case $ksh_arith in
|
||||
1) ((failed+=1)) ;;
|
||||
*) failed=`expr $failed + 1` ;;
|
||||
esac
|
||||
;;
|
||||
*) case $ksh_arith in
|
||||
1) ((failed+=1)) ;;
|
||||
*) failed=`expr $failed + 1` ;;
|
||||
esac
|
||||
case $s in
|
||||
"$S") ;;
|
||||
?0*) echo "IFS=\"$ifs\"; x=\"$i\"; set x \$x; shift; echo \"[\$#]\" # expected \"$s\" got \"$g\"" ;;
|
||||
?1*) echo "IFS=\"$ifs\"; x=\"$i\"; set x \$x; shift; echo \"[\$#](\$1)\" # expected \"$s\" got \"$g\"" ;;
|
||||
?2*) echo "IFS=\"$ifs\"; x=\"$i\"; set x \$x; shift; echo \"[\$#](\$1)(\$2)\" # expected \"$s\" got \"$g\"" ;;
|
||||
?3*) echo "IFS=\"$ifs\"; x=\"$i\"; set x \$x; shift; echo \"[\$#](\$1)(\$2)(\$3)\" # expected \"$s\" got \"$g\"" ;;
|
||||
*) echo TEST ERROR i="'$i'" s="'$s'" ;;
|
||||
esac
|
||||
case $S in
|
||||
'') S=$g
|
||||
;;
|
||||
"$g") ;;
|
||||
*) case $ksh_arith in
|
||||
1) ((ordered+=1)) ;;
|
||||
*) ordered=`expr $ordered + 1` ;;
|
||||
esac
|
||||
;;
|
||||
esac
|
||||
esac
|
||||
case $ksh_read in
|
||||
1) echo "$i" | IFS=$ifs read x y; g="($x)($y)" ;;
|
||||
*) g=`export ifs; echo "$i" | ( IFS=$ifs; read x y; echo "($x)($y)" )` ;;
|
||||
esac
|
||||
case $g in
|
||||
"$r") case $ksh_arith in
|
||||
1) ((passed+=1)) ;;
|
||||
*) passed=`expr $passed + 1` ;;
|
||||
esac
|
||||
case $R in
|
||||
'') R=$g
|
||||
;;
|
||||
"$g") ;;
|
||||
*) case $ksh_arith in
|
||||
1) ((ordered+=1)) ;;
|
||||
*) ordered=`expr $ordered + 1` ;;
|
||||
esac
|
||||
;;
|
||||
esac
|
||||
;;
|
||||
"$R") case $ksh_arith in
|
||||
1) ((failed+=1)) ;;
|
||||
*) failed=`expr $failed + 1` ;;
|
||||
esac
|
||||
;;
|
||||
*) case $ksh_arith in
|
||||
1) ((failed+=1)) ;;
|
||||
*) failed=`expr $failed + 1` ;;
|
||||
esac
|
||||
case $r in
|
||||
"$R") ;;
|
||||
*) echo "echo \"$i\" | ( IFS=\"$ifs\" read x y; echo \"(\$x)(\$y)\" ) # expected \"$r\" got \"$g\"" ;;
|
||||
esac
|
||||
case $R in
|
||||
'') R=$g
|
||||
;;
|
||||
"$g") ;;
|
||||
*) case $ksh_arith in
|
||||
1) ((ordered+=1)) ;;
|
||||
*) ordered=`expr $ordered + 1` ;;
|
||||
esac
|
||||
;;
|
||||
esac
|
||||
;;
|
||||
esac
|
||||
done
|
||||
}
|
||||
|
||||
for str in \
|
||||
'-' \
|
||||
'a' \
|
||||
'- -' \
|
||||
'- a' \
|
||||
'a -' \
|
||||
'a b' \
|
||||
'- - -' \
|
||||
'- - a' \
|
||||
'- a -' \
|
||||
'- a b' \
|
||||
'a - -' \
|
||||
'a - b' \
|
||||
'a b -' \
|
||||
'a b c' \
|
||||
|
||||
do
|
||||
IFS=' '
|
||||
set x $str
|
||||
|
||||
shift
|
||||
case $# in
|
||||
0) continue ;;
|
||||
esac
|
||||
|
||||
f1=$1
|
||||
case $f1 in
|
||||
'-') f1='' ;;
|
||||
esac
|
||||
|
||||
shift
|
||||
case $# in
|
||||
0) for d0 in '' ' '
|
||||
do
|
||||
for d1 in '' ' ' ':' ' :' ': ' ' : '
|
||||
do
|
||||
case $f1$d1 in
|
||||
'') split "$d0$f1$d1" "[0]" "()()" ;;
|
||||
' ') ;;
|
||||
*) split "$d0$f1$d1" "[1]($f1)" "($f1)()" ;;
|
||||
esac
|
||||
done
|
||||
done
|
||||
continue
|
||||
;;
|
||||
esac
|
||||
f2=$1
|
||||
case $f2 in
|
||||
'-') f2='' ;;
|
||||
esac
|
||||
|
||||
shift
|
||||
case $# in
|
||||
0) for d0 in '' ' '
|
||||
do
|
||||
for d1 in ' ' ':' ' :' ': ' ' : '
|
||||
do
|
||||
case ' ' in
|
||||
$f1$d1|$d1$f2) continue ;;
|
||||
esac
|
||||
for d2 in '' ' ' ':' ' :' ': ' ' : '
|
||||
do
|
||||
case $f2$d2 in
|
||||
'') split "$d0$f1$d1$f2$d2" "[1]($f1)" "($f1)()" ;;
|
||||
' ') ;;
|
||||
*) split "$d0$f1$d1$f2$d2" "[2]($f1)($f2)" "($f1)($f2)" ;;
|
||||
esac
|
||||
done
|
||||
done
|
||||
done
|
||||
continue
|
||||
;;
|
||||
esac
|
||||
f3=$1
|
||||
case $f3 in
|
||||
'-') f3='' ;;
|
||||
esac
|
||||
|
||||
shift
|
||||
case $# in
|
||||
0) for d0 in '' ' '
|
||||
do
|
||||
for d1 in ':' ' :' ': ' ' : '
|
||||
do
|
||||
case ' ' in
|
||||
$f1$d1|$d1$f2) continue ;;
|
||||
esac
|
||||
for d2 in ' ' ':' ' :' ': ' ' : '
|
||||
do
|
||||
case $f2$d2 in
|
||||
' ') continue ;;
|
||||
esac
|
||||
case ' ' in
|
||||
$f2$d2|$d2$f3) continue ;;
|
||||
esac
|
||||
for d3 in '' ' ' ':' ' :' ': ' ' : '
|
||||
do
|
||||
case $f3$d3 in
|
||||
'') split "$d0$f1$d1$f2$d2$f3$d3" "[2]($f1)($f2)" "($f1)($f2)" ;;
|
||||
' ') ;;
|
||||
*) x=$f2$d2$f3$d3
|
||||
x=${x#' '}
|
||||
x=${x%' '}
|
||||
split "$d0$f1$d1$f2$d2$f3$d3" "[3]($f1)($f2)($f3)" "($f1)($x)"
|
||||
;;
|
||||
esac
|
||||
done
|
||||
done
|
||||
done
|
||||
done
|
||||
continue
|
||||
;;
|
||||
esac
|
||||
done
|
||||
case $ksh_arith in
|
||||
1) ((tests=passed+failed)) ;;
|
||||
*) tests=`expr $passed + $failed` ;;
|
||||
esac
|
||||
case $ordered in
|
||||
0) ordered="" ;;
|
||||
*) ordered=" ordered $ordered" ;;
|
||||
esac
|
||||
case $tests in
|
||||
$TESTS) fatal="" ;;
|
||||
*) fatal=" -- fundamental IFS error -- $TESTS tests expected"
|
||||
esac
|
||||
echo "# tests $tests passed $passed failed $failed$ordered$fatal"
|
||||
+1
-1
@@ -56,7 +56,7 @@ fg-bg 6
|
||||
./jobs.tests: line 95: fg: -s: invalid option
|
||||
fg: usage: fg [job_spec]
|
||||
./jobs.tests: line 96: bg: -s: invalid option
|
||||
bg: usage: bg [job_spec]
|
||||
bg: usage: bg [job_spec ...]
|
||||
./jobs.tests: line 101: disown: -s: invalid option
|
||||
disown: usage: disown [-h] [-ar] [jobspec ...]
|
||||
./jobs.tests: line 105: disown: %1: no such job
|
||||
|
||||
@@ -0,0 +1,105 @@
|
||||
./jobs2.sub: line 9: fg: job 1 started without job control
|
||||
fg: 1
|
||||
Waiting for job 0
|
||||
job 0 returns 0
|
||||
Waiting for job 1
|
||||
job 1 returns 0
|
||||
Waiting for job 2
|
||||
job 2 returns 0
|
||||
Waiting for job 3
|
||||
job 3 returns 0
|
||||
Waiting for job 4
|
||||
job 4 returns 0
|
||||
Waiting for job 5
|
||||
job 5 returns 0
|
||||
Waiting for job 6
|
||||
job 6 returns 0
|
||||
Waiting for job 7
|
||||
job 7 returns 0
|
||||
[1] Running sleep 5 &
|
||||
[2] Running sleep 5 &
|
||||
[3] Running sleep 5 &
|
||||
[4]- Running sleep 5 &
|
||||
[5]+ Running ( sleep 5; exit 4 ) &
|
||||
4
|
||||
0
|
||||
i killed it
|
||||
0
|
||||
./jobs.tests: line 19: wait: %1: no such job
|
||||
./jobs.tests: line 24: fg: no job control
|
||||
wait-for-pid
|
||||
wait-errors
|
||||
./jobs.tests: line 37: wait: `1-1': not a pid or valid job spec
|
||||
./jobs.tests: line 38: wait: `-4': not a pid or valid job spec
|
||||
wait-for-background-pids
|
||||
async list wait-for-background-pids
|
||||
async list wait for child
|
||||
forked
|
||||
wait-when-no-children
|
||||
wait-for-job
|
||||
./jobs.tests: line 60: wait: %2: no such job
|
||||
127
|
||||
async list wait-for-job
|
||||
forked
|
||||
fg-bg 1
|
||||
sleep 5
|
||||
fg-bg 2
|
||||
sleep 5
|
||||
fg-bg 3
|
||||
sleep 5
|
||||
fg-bg 4
|
||||
sleep 5
|
||||
fg-bg 5
|
||||
./jobs.tests: line 87: fg: %2: no such job
|
||||
./jobs.tests: line 88: bg: job 1 already in background
|
||||
fg-bg 6
|
||||
./jobs.tests: line 95: fg: -s: invalid option
|
||||
fg: usage: fg [job_spec]
|
||||
./jobs.tests: line 96: bg: -s: invalid option
|
||||
bg: usage: bg [job_spec]
|
||||
./jobs.tests: line 101: disown: -s: invalid option
|
||||
disown: usage: disown [-h] [-ar] [jobspec ...]
|
||||
./jobs.tests: line 105: disown: %1: no such job
|
||||
./jobs.tests: line 108: disown: %2: no such job
|
||||
wait-for-non-child
|
||||
./jobs.tests: line 111: wait: pid 1 is not a child of this shell
|
||||
127
|
||||
3 -- 1 2 3 -- 1 - 2 - 3
|
||||
[1] Running sleep 300 &
|
||||
[2]- Running sleep 350 &
|
||||
[3]+ Running sleep 400 &
|
||||
running jobs:
|
||||
[1] Running sleep 300 &
|
||||
[2]- Running sleep 350 &
|
||||
[3]+ Running sleep 400 &
|
||||
./jobs.tests: line 127: kill: %4: no such job
|
||||
./jobs.tests: line 129: jobs: %4: no such job
|
||||
current job:
|
||||
[3]+ Running sleep 400 &
|
||||
previous job:
|
||||
[2]- Running sleep 350 &
|
||||
after kill -STOP
|
||||
running jobs:
|
||||
[1] Running sleep 300 &
|
||||
[3]- Running sleep 400 &
|
||||
stopped jobs:
|
||||
[2]+ Stopped sleep 350
|
||||
after disown
|
||||
[2]+ Stopped sleep 350
|
||||
[3]- Running sleep 400 &
|
||||
running jobs:
|
||||
[3]- Running sleep 400 &
|
||||
stopped jobs:
|
||||
[2]+ Stopped sleep 350
|
||||
after kill -s CONT
|
||||
running jobs:
|
||||
[2]+ Running sleep 350 &
|
||||
[3]- Running sleep 400 &
|
||||
stopped jobs:
|
||||
after kill -STOP, backgrounding %3:
|
||||
[3]+ sleep 400 &
|
||||
killing...
|
||||
done
|
||||
after KILL -STOP, foregrounding %1
|
||||
sleep 10
|
||||
done
|
||||
@@ -0,0 +1,2 @@
|
||||
${THIS_SH} ./ifs-posix.tests > /tmp/xx 2>&1
|
||||
diff /tmp/xx ifs-posix.right && rm -f /tmp/xx
|
||||
+1
-1
@@ -27,7 +27,7 @@ do
|
||||
*.orig|*~) ;;
|
||||
run-dollars|run-execscript|run-func|run-getopts|run-heredoc) echo $x ; sh $x ;;
|
||||
run-ifs-tests|run-input-test|run-invert|run-more-exp|run-nquote) echo $x ; sh $x ;;
|
||||
run-posix2|run-posixpat) echo $x ; sh $x ;;
|
||||
run-ifs-0posix|run-posix2|run-posixpat) echo $x ; sh $x ;;
|
||||
run-precedence|run-quote|run-read|run-rhs-exp|run-strip|run-tilde) echo $x ; sh $x ;;
|
||||
*) ;;
|
||||
esac
|
||||
|
||||
Reference in New Issue
Block a user