diff options
author | Ian Lance Taylor <ian@cygnus.com> | 1998-02-22 16:44:13 +0000 |
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committer | Jeff Law <law@gcc.gnu.org> | 1998-02-22 09:44:13 -0700 |
commit | b134508bdf7c7be232163aca51789a455db9cb76 (patch) | |
tree | 3ba0edb65250d4aebf9bcfe6d4f733335a1552e9 /libiberty | |
parent | 2b63596afe456e2e9878f67f286ab501398711a4 (diff) | |
download | gcc-b134508bdf7c7be232163aca51789a455db9cb76.zip gcc-b134508bdf7c7be232163aca51789a455db9cb76.tar.gz gcc-b134508bdf7c7be232163aca51789a455db9cb76.tar.bz2 |
getopt.c: Update to latest FSF version.
* getopt.c: Update to latest FSF version.
* getopt1.c: Likewise.
Bring over from devo.
From-SVN: r18169
Diffstat (limited to 'libiberty')
-rw-r--r-- | libiberty/ChangeLog | 5 | ||||
-rw-r--r-- | libiberty/getopt.c | 436 | ||||
-rw-r--r-- | libiberty/getopt1.c | 49 |
3 files changed, 389 insertions, 101 deletions
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index 64100fb..c35a168 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -1,3 +1,8 @@ +Thu Feb 12 16:29:49 1998 Ian Lance Taylor <ian@cygnus.com> + + * getopt.c: Update to latest FSF version. + * getopt1.c: Likewise. + Fri Feb 6 01:35:17 1998 Manfred Hollstein <manfred@s-direktnet.de> * Makefile.in (FLAGS_TO_PASS): Don't pass PICFLAG. diff --git a/libiberty/getopt.c b/libiberty/getopt.c index 79080aa..fc87ce6 100644 --- a/libiberty/getopt.c +++ b/libiberty/getopt.c @@ -3,29 +3,26 @@ "Keep this file name-space clean" means, talk to roland@gnu.ai.mit.edu before changing it! - Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95 + Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc. -This file is part of the libiberty library. This library 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 2, or (at your option) -any later version. - -This library 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 GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - -As a special exception, if you link this library with files -compiled with a GNU compiler to produce an executable, this does not cause -the resulting executable to be covered by the GNU General Public License. -This exception does not however invalidate any other reasons why -the executable file might be covered by the GNU General Public License. */ + NOTE: The canonical source of this file is maintained with the GNU C Library. + Bugs can be reported to bug-glibc@prep.ai.mit.edu. + + This program 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 2, or (at your option) any + later version. + + This program 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 this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + USA. */ /* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>. Ditto for AIX 3.2 and <stdlib.h>. */ @@ -34,17 +31,10 @@ the executable file might be covered by the GNU General Public License. */ #endif #ifdef HAVE_CONFIG_H -#if defined (emacs) || defined (CONFIG_BROKETS) -/* We use <config.h> instead of "config.h" so that a compilation - using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h - (which it would do because it found this file in $srcdir). */ #include <config.h> -#else -#include "config.h" -#endif #endif -#ifndef __STDC__ +#if !defined (__STDC__) || !__STDC__ /* This is a separate conditional since some stdc systems reject `defined (const)'. */ #ifndef const @@ -61,11 +51,16 @@ the executable file might be covered by the GNU General Public License. */ (especially if it is a shared library). Rather than having every GNU program understand `configure --with-gnu-libc' and omit the object files, it is simpler to just do this in the source for each such file. */ -/* Many versions of the Linux C library include older, broken versions - of these routines, which will break the linker's command-line - parsing. */ -#if defined (_LIBC) || !defined (__GNU_LIBRARY__) || defined (__linux__) +#define GETOPT_INTERFACE_VERSION 2 +#if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2 +#include <gnu-versions.h> +#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION +#define ELIDE_CODE +#endif +#endif + +#ifndef ELIDE_CODE /* This needs to come after some library #include @@ -74,8 +69,27 @@ the executable file might be covered by the GNU General Public License. */ /* Don't include stdlib.h for non-GNU C libraries because some of them contain conflicting prototypes for getopt. */ #include <stdlib.h> +#include <unistd.h> #endif /* GNU C library. */ +#ifdef VMS +#include <unixlib.h> +#if HAVE_STRING_H - 0 +#include <string.h> +#endif +#endif + +#ifndef _ +/* This is for other GNU distributions with internationalized messages. + When compiling libc, the _ macro is predefined. */ +#ifdef HAVE_LIBINTL_H +# include <libintl.h> +# define _(msgid) gettext (msgid) +#else +# define _(msgid) (msgid) +#endif +#endif + /* This version of `getopt' appears to the caller like standard Unix `getopt' but it behaves differently for the user, since it allows the user to intersperse the options with the other arguments. @@ -106,14 +120,20 @@ char *optarg = NULL; On entry to `getopt', zero means this is the first call; initialize. - When `getopt' returns EOF, this is the index of the first of the + When `getopt' returns -1, this is the index of the first of the non-option elements that the caller should itself scan. Otherwise, `optind' communicates from one call to the next how much of ARGV has been scanned so far. */ -/* XXX 1003.2 says this must be 1 before any call. */ -int optind = 0; +/* 1003.2 says this must be 1 before any call. */ +int optind = 1; + +/* Formerly, initialization of getopt depended on optind==0, which + causes problems with re-calling getopt as programs generally don't + know that. */ + +int __getopt_initialized = 0; /* The next char to be scanned in the option-element in which the last option character we returned was found. @@ -162,12 +182,15 @@ int optopt = '?'; The special argument `--' forces an end of option-scanning regardless of the value of `ordering'. In the case of RETURN_IN_ORDER, only - `--' can cause `getopt' to return EOF with `optind' != ARGC. */ + `--' can cause `getopt' to return -1 with `optind' != ARGC. */ static enum { REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER } ordering; + +/* Value of POSIXLY_CORRECT environment variable. */ +static char *posixly_correct; #ifdef __GNU_LIBRARY__ /* We want to avoid inclusion of string.h with non-GNU libraries @@ -202,7 +225,7 @@ my_index (str, chr) #ifdef __GNUC__ /* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h. That was relevant to code that was here before. */ -#ifndef __STDC__ +#if !defined (__STDC__) || !__STDC__ /* gcc with -traditional declares the built-in strlen to return int, and has done so at least since version 2.4.5. -- rms. */ extern int strlen (const char *); @@ -220,6 +243,46 @@ extern int strlen (const char *); static int first_nonopt; static int last_nonopt; +#ifdef _LIBC +/* Bash 2.0 gives us an environment variable containing flags + indicating ARGV elements that should not be considered arguments. */ + +/* Defined in getopt_init.c */ +extern char *__getopt_nonoption_flags; + +static int nonoption_flags_max_len; +static int nonoption_flags_len; + +static int original_argc; +static char *const *original_argv; + +/* Make sure the environment variable bash 2.0 puts in the environment + is valid for the getopt call we must make sure that the ARGV passed + to getopt is that one passed to the process. */ +static void +__attribute__ ((unused)) +store_args_and_env (int argc, char *const *argv) +{ + /* XXX This is no good solution. We should rather copy the args so + that we can compare them later. But we must not use malloc(3). */ + original_argc = argc; + original_argv = argv; +} +# ifdef text_set_element +text_set_element (__libc_subinit, store_args_and_env); +# endif /* text_set_element */ + +# define SWAP_FLAGS(ch1, ch2) \ + if (nonoption_flags_len > 0) \ + { \ + char __tmp = __getopt_nonoption_flags[ch1]; \ + __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2]; \ + __getopt_nonoption_flags[ch2] = __tmp; \ + } +#else /* !_LIBC */ +# define SWAP_FLAGS(ch1, ch2) +#endif /* _LIBC */ + /* Exchange two adjacent subsequences of ARGV. One subsequence is elements [first_nonopt,last_nonopt) which contains all the non-options that have been skipped so far. @@ -229,6 +292,10 @@ static int last_nonopt; `first_nonopt' and `last_nonopt' are relocated so that they describe the new indices of the non-options in ARGV after they are moved. */ +#if defined (__STDC__) && __STDC__ +static void exchange (char **); +#endif + static void exchange (argv) char **argv; @@ -243,6 +310,28 @@ exchange (argv) It leaves the longer segment in the right place overall, but it consists of two parts that need to be swapped next. */ +#ifdef _LIBC + /* First make sure the handling of the `__getopt_nonoption_flags' + string can work normally. Our top argument must be in the range + of the string. */ + if (nonoption_flags_len > 0 && top >= nonoption_flags_max_len) + { + /* We must extend the array. The user plays games with us and + presents new arguments. */ + char *new_str = malloc (top + 1); + if (new_str == NULL) + nonoption_flags_len = nonoption_flags_max_len = 0; + else + { + memset (__mempcpy (new_str, __getopt_nonoption_flags, + nonoption_flags_max_len), + '\0', top + 1 - nonoption_flags_max_len); + nonoption_flags_max_len = top + 1; + __getopt_nonoption_flags = new_str; + } + } +#endif + while (top > middle && middle > bottom) { if (top - middle > middle - bottom) @@ -257,6 +346,7 @@ exchange (argv) tem = argv[bottom + i]; argv[bottom + i] = argv[top - (middle - bottom) + i]; argv[top - (middle - bottom) + i] = tem; + SWAP_FLAGS (bottom + i, top - (middle - bottom) + i); } /* Exclude the moved bottom segment from further swapping. */ top -= len; @@ -273,6 +363,7 @@ exchange (argv) tem = argv[bottom + i]; argv[bottom + i] = argv[middle + i]; argv[middle + i] = tem; + SWAP_FLAGS (bottom + i, middle + i); } /* Exclude the moved top segment from further swapping. */ bottom += len; @@ -287,18 +378,25 @@ exchange (argv) /* Initialize the internal data when the first call is made. */ +#if defined (__STDC__) && __STDC__ +static const char *_getopt_initialize (int, char *const *, const char *); +#endif static const char * -_getopt_initialize (optstring) +_getopt_initialize (argc, argv, optstring) + int argc; + char *const *argv; const char *optstring; { /* Start processing options with ARGV-element 1 (since ARGV-element 0 is the program name); the sequence of previously skipped non-option ARGV-elements is empty. */ - first_nonopt = last_nonopt = optind = 1; + first_nonopt = last_nonopt = optind; nextchar = NULL; + posixly_correct = getenv ("POSIXLY_CORRECT"); + /* Determine how to handle the ordering of options and nonoptions. */ if (optstring[0] == '-') @@ -311,11 +409,41 @@ _getopt_initialize (optstring) ordering = REQUIRE_ORDER; ++optstring; } - else if (getenv ("POSIXLY_CORRECT") != NULL) + else if (posixly_correct != NULL) ordering = REQUIRE_ORDER; else ordering = PERMUTE; +#ifdef _LIBC + if (posixly_correct == NULL + && argc == original_argc && argv == original_argv) + { + if (nonoption_flags_max_len == 0) + { + if (__getopt_nonoption_flags == NULL + || __getopt_nonoption_flags[0] == '\0') + nonoption_flags_max_len = -1; + else + { + const char *orig_str = __getopt_nonoption_flags; + int len = nonoption_flags_max_len = strlen (orig_str); + if (nonoption_flags_max_len < argc) + nonoption_flags_max_len = argc; + __getopt_nonoption_flags = + (char *) malloc (nonoption_flags_max_len); + if (__getopt_nonoption_flags == NULL) + nonoption_flags_max_len = -1; + else + memset (__mempcpy (__getopt_nonoption_flags, orig_str, len), + '\0', nonoption_flags_max_len - len); + } + } + nonoption_flags_len = nonoption_flags_max_len; + } + else + nonoption_flags_len = 0; +#endif + return optstring; } @@ -332,7 +460,7 @@ _getopt_initialize (optstring) updating `optind' and `nextchar' so that the next call to `getopt' can resume the scan with the following option character or ARGV-element. - If there are no more option characters, `getopt' returns `EOF'. + If there are no more option characters, `getopt' returns -1. Then `optind' is the index in ARGV of the first ARGV-element that is not an option. (The ARGV-elements have been permuted so that those that are not options now come last.) @@ -386,16 +514,37 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) { optarg = NULL; - if (optind == 0) - optstring = _getopt_initialize (optstring); + if (optind == 0 || !__getopt_initialized) + { + if (optind == 0) + optind = 1; /* Don't scan ARGV[0], the program name. */ + optstring = _getopt_initialize (argc, argv, optstring); + __getopt_initialized = 1; + } - if (argc == 0) - return EOF; + /* Test whether ARGV[optind] points to a non-option argument. + Either it does not have option syntax, or there is an environment flag + from the shell indicating it is not an option. The later information + is only used when the used in the GNU libc. */ +#ifdef _LIBC +#define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0' \ + || (optind < nonoption_flags_len \ + && __getopt_nonoption_flags[optind] == '1')) +#else +#define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0') +#endif if (nextchar == NULL || *nextchar == '\0') { /* Advance to the next ARGV-element. */ + /* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has been + moved back by the user (who may also have changed the arguments). */ + if (last_nonopt > optind) + last_nonopt = optind; + if (first_nonopt > optind) + first_nonopt = optind; + if (ordering == PERMUTE) { /* If we have just processed some options following some non-options, @@ -409,8 +558,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) /* Skip any additional non-options and extend the range of non-options previously skipped. */ - while (optind < argc - && (argv[optind][0] != '-' || argv[optind][1] == '\0')) + while (optind < argc && NONOPTION_P) optind++; last_nonopt = optind; } @@ -442,16 +590,16 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) that we previously skipped, so the caller will digest them. */ if (first_nonopt != last_nonopt) optind = first_nonopt; - return EOF; + return -1; } /* If we have come to a non-option and did not permute it, either stop the scan or describe it to the caller and pass it by. */ - if ((argv[optind][0] != '-' || argv[optind][1] == '\0')) + if (NONOPTION_P) { if (ordering == REQUIRE_ORDER) - return EOF; + return -1; optarg = argv[optind++]; return 1; } @@ -487,7 +635,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) const struct option *pfound = NULL; int exact = 0; int ambig = 0; - int indfound; + int indfound = -1; int option_index; for (nameend = nextchar; *nameend && *nameend != '='; nameend++) @@ -498,7 +646,8 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) for (p = longopts, option_index = 0; p->name; p++, option_index++) if (!strncmp (p->name, nextchar, nameend - nextchar)) { - if (nameend - nextchar == strlen (p->name)) + if ((unsigned int) (nameend - nextchar) + == (unsigned int) strlen (p->name)) { /* Exact match found. */ pfound = p; @@ -520,10 +669,11 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) if (ambig && !exact) { if (opterr) - fprintf (stderr, "%s: option `%s' is ambiguous\n", + fprintf (stderr, _("%s: option `%s' is ambiguous\n"), argv[0], argv[optind]); nextchar += strlen (nextchar); optind++; + optopt = 0; return '?'; } @@ -540,19 +690,20 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) else { if (opterr) - { - if (argv[optind - 1][1] == '-') - /* --option */ - fprintf (stderr, - "%s: option `--%s' doesn't allow an argument\n", - argv[0], pfound->name); - else - /* +option or -option */ - fprintf (stderr, - "%s: option `%c%s' doesn't allow an argument\n", - argv[0], argv[optind - 1][0], pfound->name); - } + if (argv[optind - 1][1] == '-') + /* --option */ + fprintf (stderr, + _("%s: option `--%s' doesn't allow an argument\n"), + argv[0], pfound->name); + else + /* +option or -option */ + fprintf (stderr, + _("%s: option `%c%s' doesn't allow an argument\n"), + argv[0], argv[optind - 1][0], pfound->name); + nextchar += strlen (nextchar); + + optopt = pfound->val; return '?'; } } @@ -563,9 +714,11 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) else { if (opterr) - fprintf (stderr, "%s: option `%s' requires an argument\n", - argv[0], argv[optind - 1]); + fprintf (stderr, + _("%s: option `%s' requires an argument\n"), + argv[0], argv[optind - 1]); nextchar += strlen (nextchar); + optopt = pfound->val; return optstring[0] == ':' ? ':' : '?'; } } @@ -591,15 +744,16 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) { if (argv[optind][1] == '-') /* --option */ - fprintf (stderr, "%s: unrecognized option `--%s'\n", + fprintf (stderr, _("%s: unrecognized option `--%s'\n"), argv[0], nextchar); else /* +option or -option */ - fprintf (stderr, "%s: unrecognized option `%c%s'\n", + fprintf (stderr, _("%s: unrecognized option `%c%s'\n"), argv[0], argv[optind][0], nextchar); } nextchar = (char *) ""; optind++; + optopt = 0; return '?'; } } @@ -618,12 +772,141 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) { if (opterr) { - /* 1003.2 specifies the format of this message. */ - fprintf (stderr, "%s: illegal option -- %c\n", argv[0], c); + if (posixly_correct) + /* 1003.2 specifies the format of this message. */ + fprintf (stderr, _("%s: illegal option -- %c\n"), + argv[0], c); + else + fprintf (stderr, _("%s: invalid option -- %c\n"), + argv[0], c); } optopt = c; return '?'; } + /* Convenience. Treat POSIX -W foo same as long option --foo */ + if (temp[0] == 'W' && temp[1] == ';') + { + char *nameend; + const struct option *p; + const struct option *pfound = NULL; + int exact = 0; + int ambig = 0; + int indfound = 0; + int option_index; + + /* This is an option that requires an argument. */ + if (*nextchar != '\0') + { + optarg = nextchar; + /* If we end this ARGV-element by taking the rest as an arg, + we must advance to the next element now. */ + optind++; + } + else if (optind == argc) + { + if (opterr) + { + /* 1003.2 specifies the format of this message. */ + fprintf (stderr, _("%s: option requires an argument -- %c\n"), + argv[0], c); + } + optopt = c; + if (optstring[0] == ':') + c = ':'; + else + c = '?'; + return c; + } + else + /* We already incremented `optind' once; + increment it again when taking next ARGV-elt as argument. */ + optarg = argv[optind++]; + + /* optarg is now the argument, see if it's in the + table of longopts. */ + + for (nextchar = nameend = optarg; *nameend && *nameend != '='; nameend++) + /* Do nothing. */ ; + + /* Test all long options for either exact match + or abbreviated matches. */ + for (p = longopts, option_index = 0; p->name; p++, option_index++) + if (!strncmp (p->name, nextchar, nameend - nextchar)) + { + if ((unsigned int) (nameend - nextchar) == strlen (p->name)) + { + /* Exact match found. */ + pfound = p; + indfound = option_index; + exact = 1; + break; + } + else if (pfound == NULL) + { + /* First nonexact match found. */ + pfound = p; + indfound = option_index; + } + else + /* Second or later nonexact match found. */ + ambig = 1; + } + if (ambig && !exact) + { + if (opterr) + fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"), + argv[0], argv[optind]); + nextchar += strlen (nextchar); + optind++; + return '?'; + } + if (pfound != NULL) + { + option_index = indfound; + if (*nameend) + { + /* Don't test has_arg with >, because some C compilers don't + allow it to be used on enums. */ + if (pfound->has_arg) + optarg = nameend + 1; + else + { + if (opterr) + fprintf (stderr, _("\ +%s: option `-W %s' doesn't allow an argument\n"), + argv[0], pfound->name); + + nextchar += strlen (nextchar); + return '?'; + } + } + else if (pfound->has_arg == 1) + { + if (optind < argc) + optarg = argv[optind++]; + else + { + if (opterr) + fprintf (stderr, + _("%s: option `%s' requires an argument\n"), + argv[0], argv[optind - 1]); + nextchar += strlen (nextchar); + return optstring[0] == ':' ? ':' : '?'; + } + } + nextchar += strlen (nextchar); + if (longind != NULL) + *longind = option_index; + if (pfound->flag) + { + *(pfound->flag) = pfound->val; + return 0; + } + return pfound->val; + } + nextchar = NULL; + return 'W'; /* Let the application handle it. */ + } if (temp[1] == ':') { if (temp[2] == ':') @@ -653,8 +936,9 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) if (opterr) { /* 1003.2 specifies the format of this message. */ - fprintf (stderr, "%s: option requires an argument -- %c\n", - argv[0], c); + fprintf (stderr, + _("%s: option requires an argument -- %c\n"), + argv[0], c); } optopt = c; if (optstring[0] == ':') @@ -685,7 +969,7 @@ getopt (argc, argv, optstring) 0); } -#endif /* _LIBC or not __GNU_LIBRARY__. */ +#endif /* Not ELIDE_CODE. */ #ifdef TEST @@ -705,7 +989,7 @@ main (argc, argv) int this_option_optind = optind ? optind : 1; c = getopt (argc, argv, "abc:d:0123456789"); - if (c == EOF) + if (c == -1) break; switch (c) diff --git a/libiberty/getopt1.c b/libiberty/getopt1.c index c3400e5..af8e681 100644 --- a/libiberty/getopt1.c +++ b/libiberty/getopt1.c @@ -1,35 +1,31 @@ /* getopt_long and getopt_long_only entry points for GNU getopt. - Copyright (C) 1987, 88, 89, 90, 91, 92, 1993 - Free Software Foundation, Inc. + Copyright (C) 1987,88,89,90,91,92,93,94,96,97 Free Software Foundation, Inc. - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License - as published by the Free Software Foundation; either version 2, or - (at your option) any later version. + NOTE: The canonical source of this file is maintained with the GNU C Library. + Bugs can be reported to bug-glibc@prep.ai.mit.edu. + + This program 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 2, or (at your option) any + later version. This program 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 Library General Public License for more details. + GNU General Public License for more details. - You should have received a copy of the GNU Library General Public License + You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software - Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + USA. */ #ifdef HAVE_CONFIG_H -#if defined (emacs) || defined (CONFIG_BROKETS) -/* We use <config.h> instead of "config.h" so that a compilation - using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h - (which it would do because it found this file in $srcdir). */ #include <config.h> -#else -#include "config.h" -#endif #endif #include "getopt.h" -#ifndef __STDC__ +#if !defined (__STDC__) || !__STDC__ /* This is a separate conditional since some stdc systems reject `defined (const)'. */ #ifndef const @@ -46,19 +42,22 @@ (especially if it is a shared library). Rather than having every GNU program understand `configure --with-gnu-libc' and omit the object files, it is simpler to just do this in the source for each such file. */ -/* Many versions of the Linux C library include older, broken versions - of these routines, which will break the linker's command-line - parsing. */ -#if defined (_LIBC) || !defined (__GNU_LIBRARY__) || defined (__linux__) +#define GETOPT_INTERFACE_VERSION 2 +#if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2 +#include <gnu-versions.h> +#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION +#define ELIDE_CODE +#endif +#endif + +#ifndef ELIDE_CODE /* This needs to come after some library #include to get __GNU_LIBRARY__ defined. */ #ifdef __GNU_LIBRARY__ #include <stdlib.h> -#else -char *getenv (); #endif #ifndef NULL @@ -93,7 +92,7 @@ getopt_long_only (argc, argv, options, long_options, opt_index) } -#endif /* _LIBC or not __GNU_LIBRARY__. */ +#endif /* Not ELIDE_CODE. */ #ifdef TEST @@ -124,7 +123,7 @@ main (argc, argv) c = getopt_long (argc, argv, "abc:d:0123456789", long_options, &option_index); - if (c == EOF) + if (c == -1) break; switch (c) |