mirror of
https://https.git.savannah.gnu.org/git/bash.git
synced 2026-08-11 12:40:42 +02:00
Bash-5.3-alpha release
This commit is contained in:
Chet Ramey
@@ -1,6 +1,6 @@
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/* general.h -- defines that everybody likes to use. */
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/* Copyright (C) 1993-2021 Free Software Foundation, Inc.
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/* Copyright (C) 1993-2024 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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@@ -43,26 +43,14 @@
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# include <limits.h>
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#endif
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#include "unlocked-io.h"
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#include "xmalloc.h"
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/* NULL pointer type. */
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#if !defined (NULL)
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# if defined (__STDC__)
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# define NULL ((void *) 0)
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# else
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# define NULL 0x0
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# endif /* !__STDC__ */
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#endif /* !NULL */
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/* Hardly used anymore */
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#define pointer_to_int(x) (int)((char *)x - (char *)0)
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#if defined (alpha) && defined (__GNUC__) && !defined (strchr) && !defined (__STDC__)
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extern char *strchr (), *strrchr ();
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#endif
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#if !defined (strcpy) && (defined (HAVE_DECL_STRCPY) && !HAVE_DECL_STRCPY)
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extern char *strcpy PARAMS((char *, const char *));
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extern char *strcpy (char *, const char *);
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#endif
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#if !defined (savestring)
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@@ -163,9 +151,19 @@ typedef struct {
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#endif /* !__GNUC__ */
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/* String comparisons that possibly save a function call each. */
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#define STREQ(a, b) ((a)[0] == (b)[0] && strcmp(a, b) == 0)
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#define STREQN(a, b, n) ((n == 0) ? (1) \
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: ((a)[0] == (b)[0] && strncmp(a, b, n) == 0))
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static inline int
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STREQ(const char *a, const char *b)
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{
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return ((a)[0] == (b)[0] && strcmp(a, b) == 0);
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}
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static inline int
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STREQN(const char *a, const char *b, size_t n)
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{
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return ((n == 0) ||
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(n == 1 && a[0] == b[0]) ||
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((a)[0] == (b)[0] && strncmp(a, b, n) == 0));
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}
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/* More convenience definitions that possibly save system or libc calls. */
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#define STRLEN(s) (((s) && (s)[0]) ? ((s)[1] ? ((s)[2] ? strlen(s) : 2) : 1) : 0)
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@@ -190,62 +188,54 @@ typedef struct {
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} \
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} while (0)
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/* Function pointers can be declared as (Function *)foo. */
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#if !defined (_FUNCTION_DEF)
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# define _FUNCTION_DEF
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typedef int Function ();
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typedef void VFunction ();
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typedef char *CPFunction (); /* no longer used */
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typedef char **CPPFunction (); /* no longer used */
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#endif /* _FUNCTION_DEF */
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#ifndef SH_FUNCTION_TYPEDEF
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# define SH_FUNCTION_TYPEDEF
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/* Shell function typedefs with prototypes */
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/* `Generic' function pointer typedefs */
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typedef int sh_intfunc_t PARAMS((int));
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typedef int sh_ivoidfunc_t PARAMS((void));
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typedef int sh_icpfunc_t PARAMS((char *));
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typedef int sh_icppfunc_t PARAMS((char **));
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typedef int sh_iptrfunc_t PARAMS((PTR_T));
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typedef int sh_intfunc_t (int);
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typedef int sh_ivoidfunc_t (void);
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typedef int sh_icpfunc_t (char *);
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typedef int sh_icppfunc_t (char **);
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typedef int sh_iptrfunc_t (PTR_T);
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typedef void sh_voidfunc_t PARAMS((void));
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typedef void sh_vintfunc_t PARAMS((int));
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typedef void sh_vcpfunc_t PARAMS((char *));
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typedef void sh_vcppfunc_t PARAMS((char **));
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typedef void sh_vptrfunc_t PARAMS((PTR_T));
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typedef void sh_voidfunc_t (void);
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typedef void sh_vintfunc_t (int);
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typedef void sh_vcpfunc_t (char *);
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typedef void sh_vcppfunc_t (char **);
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typedef void sh_vptrfunc_t (PTR_T);
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typedef int sh_wdesc_func_t PARAMS((WORD_DESC *));
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typedef int sh_wlist_func_t PARAMS((WORD_LIST *));
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typedef int sh_wdesc_func_t (WORD_DESC *);
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typedef int sh_wlist_func_t (WORD_LIST *);
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typedef int sh_glist_func_t PARAMS((GENERIC_LIST *));
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typedef int sh_glist_func_t (GENERIC_LIST *);
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typedef int sh_gcp_func_t (GENERIC_LIST *, char *);
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typedef char *sh_string_func_t PARAMS((char *)); /* like savestring, et al. */
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typedef char *sh_string_func_t (char *); /* like savestring, et al. */
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typedef int sh_msg_func_t PARAMS((const char *, ...)); /* printf(3)-like */
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typedef void sh_vmsg_func_t PARAMS((const char *, ...)); /* printf(3)-like */
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typedef int sh_msg_func_t (const char *, ...); /* printf(3)-like */
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typedef void sh_vmsg_func_t (const char *, ...); /* printf(3)-like */
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/* Specific function pointer typedefs. Most of these could be done
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with #defines. */
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typedef void sh_sv_func_t PARAMS((char *)); /* sh_vcpfunc_t */
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typedef void sh_free_func_t PARAMS((PTR_T)); /* sh_vptrfunc_t */
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typedef void sh_resetsig_func_t PARAMS((int)); /* sh_vintfunc_t */
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typedef void sh_sv_func_t (const char *);
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typedef void sh_free_func_t (PTR_T); /* sh_vptrfunc_t */
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typedef void sh_resetsig_func_t (int); /* sh_vintfunc_t */
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typedef int sh_ignore_func_t PARAMS((const char *)); /* sh_icpfunc_t */
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typedef int sh_ignore_func_t (const char *); /* sh_icpfunc_t */
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typedef int sh_assign_func_t PARAMS((const char *));
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typedef int sh_wassign_func_t PARAMS((WORD_DESC *, int));
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typedef int sh_assign_func_t (const char *);
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typedef int sh_wassign_func_t (const WORD_DESC *, int);
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typedef int sh_load_func_t PARAMS((char *));
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typedef void sh_unload_func_t PARAMS((char *));
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typedef int sh_load_func_t (char *);
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typedef void sh_unload_func_t (char *);
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typedef int sh_builtin_func_t PARAMS((WORD_LIST *)); /* sh_wlist_func_t */
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typedef int sh_builtin_func_t (WORD_LIST *); /* sh_wlist_func_t */
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#endif /* SH_FUNCTION_TYPEDEF */
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#define NOW ((time_t) time ((time_t *) 0))
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#define NOW getnow()
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#define GETTIME(tv) gettimeofday(&(tv), NULL)
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/* Some defines for calling file status functions. */
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@@ -261,11 +251,7 @@ typedef int sh_builtin_func_t PARAMS((WORD_LIST *)); /* sh_wlist_func_t */
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#define HIGH_FD_MAX 256
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/* The type of function passed as the fourth argument to qsort(3). */
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#ifdef __STDC__
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typedef int QSFUNC (const void *, const void *);
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#else
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typedef int QSFUNC ();
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#endif
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/* Some useful definitions for Unix pathnames. Argument convention:
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x == string, c == character */
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@@ -296,77 +282,79 @@ typedef int QSFUNC ();
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#if 0
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/* Declarations for functions defined in xmalloc.c */
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extern PTR_T xmalloc PARAMS((size_t));
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extern PTR_T xrealloc PARAMS((void *, size_t));
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extern void xfree PARAMS((void *));
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extern PTR_T xmalloc (size_t);
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extern PTR_T xrealloc (void *, size_t);
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extern void xfree (void *);
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#endif
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/* Declarations for functions defined in general.c */
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extern void posix_initialize PARAMS((int));
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extern void posix_initialize (int);
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extern int num_posix_options PARAMS((void));
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extern char *get_posix_options PARAMS((char *));
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extern void set_posix_options PARAMS((const char *));
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extern size_t num_posix_options (void);
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extern char *get_posix_options (char *);
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extern void set_posix_options (const char *);
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extern void save_posix_options PARAMS((void));
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extern void save_posix_options (void);
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#if defined (RLIMTYPE)
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extern RLIMTYPE string_to_rlimtype PARAMS((char *));
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extern void print_rlimtype PARAMS((RLIMTYPE, int));
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extern RLIMTYPE string_to_rlimtype (const char *, char **);
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extern void print_rlimtype (RLIMTYPE, int);
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#endif
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extern int all_digits PARAMS((const char *));
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extern int legal_number PARAMS((const char *, intmax_t *));
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extern int legal_identifier PARAMS((const char *));
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extern int importable_function_name PARAMS((const char *, size_t));
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extern int exportable_function_name PARAMS((const char *));
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extern int check_identifier PARAMS((WORD_DESC *, int));
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extern int valid_nameref_value PARAMS((const char *, int));
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extern int check_selfref PARAMS((const char *, char *, int));
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extern int legal_alias_name PARAMS((const char *, int));
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extern int line_isblank PARAMS((const char *));
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extern int assignment PARAMS((const char *, int));
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extern int all_digits (const char *);
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extern int valid_number (const char *, intmax_t *);
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extern int valid_identifier (const char *);
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extern int importable_function_name (const char *, size_t);
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extern int exportable_function_name (const char *);
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extern int check_identifier (WORD_DESC *, int);
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extern int valid_nameref_value (const char *, int);
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extern int check_selfref (const char *, char *, int);
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extern int valid_alias_name (const char *, int);
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extern int valid_function_name (const char *, int);
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extern int valid_function_word (WORD_DESC *, int);
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extern int line_isblank (const char *);
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extern int assignment (const char *, int);
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extern int sh_unset_nodelay_mode PARAMS((int));
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extern int sh_setclexec PARAMS((int));
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extern int sh_validfd PARAMS((int));
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extern int fd_ispipe PARAMS((int));
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extern void check_dev_tty PARAMS((void));
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extern int move_to_high_fd PARAMS((int, int, int));
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extern int check_binary_file PARAMS((const char *, int));
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extern int sh_unset_nodelay_mode (int);
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extern int sh_setclexec (int);
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extern int sh_validfd (int);
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extern int fd_ispipe (int);
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extern void check_dev_tty (void);
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extern int move_to_high_fd (int, int, int);
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extern int check_binary_file (const char *, int);
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#ifdef _POSIXSTAT_H_
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extern int same_file PARAMS((const char *, const char *, struct stat *, struct stat *));
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extern int same_file (const char *, const char *, struct stat *, struct stat *);
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#endif
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extern int sh_openpipe PARAMS((int *));
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extern int sh_closepipe PARAMS((int *));
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extern int sh_openpipe (int *);
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extern int sh_closepipe (int *);
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extern int file_exists PARAMS((const char *));
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extern int file_isdir PARAMS((const char *));
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extern int file_iswdir PARAMS((const char *));
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extern int path_dot_or_dotdot PARAMS((const char *));
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extern int absolute_pathname PARAMS((const char *));
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extern int absolute_program PARAMS((const char *));
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extern int file_exists (const char *);
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extern int file_isdir (const char *);
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extern int file_iswdir (const char *);
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extern int path_dot_or_dotdot (const char *);
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extern int absolute_pathname (const char *);
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extern int absolute_program (const char *);
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extern char *make_absolute PARAMS((const char *, const char *));
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extern char *base_pathname PARAMS((char *));
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extern char *full_pathname PARAMS((char *));
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extern char *polite_directory_format PARAMS((char *));
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extern char *trim_pathname PARAMS((char *, int));
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extern char *printable_filename PARAMS((char *, int));
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extern char *make_absolute (const char *, const char *);
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extern char *base_pathname (char *);
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extern char *full_pathname (char *);
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extern char *polite_directory_format (char *);
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extern char *trim_pathname (char *, int);
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extern char *printable_filename (char *, int);
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extern char *extract_colon_unit PARAMS((char *, int *));
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extern char *extract_colon_unit (char *, int *);
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extern void tilde_initialize PARAMS((void));
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extern char *bash_tilde_find_word PARAMS((const char *, int, int *));
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extern char *bash_tilde_expand PARAMS((const char *, int));
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extern void tilde_initialize (void);
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extern char *bash_tilde_find_word (const char *, int, size_t *);
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extern char *bash_tilde_expand (const char *, int);
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extern int group_member PARAMS((gid_t));
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extern char **get_group_list PARAMS((int *));
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extern int *get_group_array PARAMS((int *));
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extern int group_member (gid_t);
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extern char **get_group_list (int *);
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extern int *get_group_array (int *);
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extern char *conf_standard_path PARAMS((void));
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extern int default_columns PARAMS((void));
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extern char *conf_standard_path (void);
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extern int default_columns (void);
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#endif /* _GENERAL_H_ */
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