X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fgetopt.c;h=289d137e20babf967f75a5baa19c904b2ff5b68a;hb=39d3808335bce3c4c3411d11cf49c974bf97ebd9;hp=c7fbc2d8013c5fe63bc51827a67215c402384a5a;hpb=cba9751a5c129f78d162fbe541a2f50ea1753e93;p=gnulib.git diff --git a/lib/getopt.c b/lib/getopt.c index c7fbc2d80..289d137e2 100644 --- a/lib/getopt.c +++ b/lib/getopt.c @@ -1,48 +1,42 @@ /* Getopt for GNU. NOTE: getopt is now part of the C library, so if you don't know what - "Keep this file name-space clean" means, talk to roland@gnu.ai.mit.edu + "Keep this file name-space clean" means, talk to drepper@gnu.org before changing it! - - Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94 + Copyright (C) 1987,88,89,90,91,92,93,94,95,96,98,99,2000,2001,2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. - 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. + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. - This program is distributed in the hope that it will be useful, + The GNU C 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. + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; 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 . Ditto for AIX 3.2 and . */ #ifndef _NO_PROTO -#define _NO_PROTO +# define _NO_PROTO #endif #ifdef HAVE_CONFIG_H -#if defined (emacs) || defined (CONFIG_BROKETS) -/* We use 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 -#else -#include "config.h" -#endif +# include #endif -#ifndef __STDC__ +#if !defined __STDC__ || !__STDC__ /* This is a separate conditional since some stdc systems reject `defined (const)'. */ -#ifndef const -#define const -#endif +# ifndef const +# define const +# endif #endif #include @@ -55,17 +49,52 @@ 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. */ -#if defined (_LIBC) || !defined (__GNU_LIBRARY__) +#define GETOPT_INTERFACE_VERSION 2 +#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2 +# include +# 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. */ -#if defined (__GNU_LIBRARY__) || defined (__sgi) +#ifdef __GNU_LIBRARY__ /* Don't include stdlib.h for non-GNU C libraries because some of them contain conflicting prototypes for getopt. */ -#include +# include +# include #endif /* GNU C library. */ +#ifdef VMS +# include +# if HAVE_STRING_H - 0 +# include +# endif +#endif + +#ifndef _ +/* This is for other GNU distributions with internationalized messages. */ +# if (HAVE_LIBINTL_H && ENABLE_NLS) || defined _LIBC +# include +# ifndef _ +# define _(msgid) gettext (msgid) +# endif +# else +# define _(msgid) (msgid) +# endif +# if defined _LIBC && defined USE_IN_LIBIO +# include +# endif +#endif + +#ifndef attribute_hidden +# define attribute_hidden +#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. @@ -88,7 +117,7 @@ Also, when `ordering' is RETURN_IN_ORDER, each non-option ARGV-element is returned here. */ -char *optarg = NULL; +char *optarg; /* Index in ARGV of the next element to be scanned. This is used for communication to and from the caller @@ -96,14 +125,20 @@ 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 attribute_hidden; /* The next char to be scanned in the option-element in which the last option character we returned was found. @@ -152,26 +187,37 @@ 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; -#if defined (__GNU_LIBRARY__) || defined (__sgi) +#ifdef __GNU_LIBRARY__ /* We want to avoid inclusion of string.h with non-GNU libraries because there are many ways it can cause trouble. On some systems, it contains special magic macros that don't work in GCC. */ -#include -#define my_index strchr +# include +# define my_index strchr #else +# if HAVE_STRING_H +# include +# else +# include +# endif + /* Avoid depending on library functions or files whose names are inconsistent. */ -char *getenv (); +#ifndef getenv +extern char *getenv (); +#endif static char * my_index (str, chr) @@ -192,11 +238,11 @@ 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__) && !defined strlen /* 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 *); -#endif /* not __STDC__ */ +# endif /* not __STDC__ */ #endif /* __GNUC__ */ #endif /* not __GNU_LIBRARY__ */ @@ -210,6 +256,39 @@ extern int strlen (const char *); static int first_nonopt; static int last_nonopt; +#ifdef _LIBC +/* Stored original parameters. + 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). */ +extern int __libc_argc; +extern char **__libc_argv; + +/* Bash 2.0 gives us an environment variable containing flags + indicating ARGV elements that should not be considered arguments. */ + +# ifdef USE_NONOPTION_FLAGS +/* Defined in getopt_init.c */ +extern char *__getopt_nonoption_flags; + +static int nonoption_flags_max_len; +static int nonoption_flags_len; +# endif + +# ifdef USE_NONOPTION_FLAGS +# 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 +# define SWAP_FLAGS(ch1, ch2) +# endif +#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. @@ -219,6 +298,10 @@ 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; @@ -233,6 +316,28 @@ exchange (argv) It leaves the longer segment in the right place overall, but it consists of two parts that need to be swapped next. */ +#if defined _LIBC && defined USE_NONOPTION_FLAGS + /* 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) @@ -247,6 +352,7 @@ 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; @@ -263,6 +369,7 @@ 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; @@ -277,18 +384,25 @@ 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] == '-') @@ -301,11 +415,41 @@ _getopt_initialize (optstring) ordering = REQUIRE_ORDER; ++optstring; } - else if (getenv ("POSIXLY_CORRECT") != NULL) + else if (posixly_correct != NULL) ordering = REQUIRE_ORDER; else ordering = PERMUTE; +#if defined _LIBC && defined USE_NONOPTION_FLAGS + if (posixly_correct == NULL + && argc == __libc_argc && argv == __libc_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; } @@ -322,7 +466,7 @@ _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.) @@ -374,15 +518,46 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) int *longind; int long_only; { + int print_errors = opterr; + if (optstring[0] == ':') + print_errors = 0; + + if (argc < 1) + return -1; + 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; + } + + /* 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. */ +#if defined _LIBC && defined USE_NONOPTION_FLAGS +# 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, @@ -396,8 +571,7 @@ _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; } @@ -429,16 +603,16 @@ _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; } @@ -474,22 +648,19 @@ _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++) /* Do nothing. */ ; -#ifdef lint /* Suppress `used before initialized' warning. */ - indfound = 0; -#endif - /* 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 (nameend - nextchar == strlen (p->name)) + if ((unsigned int) (nameend - nextchar) + == (unsigned int) strlen (p->name)) { /* Exact match found. */ pfound = p; @@ -503,18 +674,40 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) pfound = p; indfound = option_index; } - else + else if (long_only + || pfound->has_arg != p->has_arg + || pfound->flag != p->flag + || pfound->val != p->val) /* Second or later nonexact match found. */ ambig = 1; } if (ambig && !exact) { - if (opterr) - fprintf (stderr, "%s: option `%s' is ambiguous\n", - argv[0], argv[optind]); + if (print_errors) + { +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + + if (__asprintf (&buf, _("%s: option `%s' is ambiguous\n"), + argv[0], argv[optind]) >= 0) + { + + if (_IO_fwide (stderr, 0) > 0) + __fwprintf (stderr, L"%s", buf); + else + fputs (buf, stderr); + + free (buf); + } +#else + fprintf (stderr, _("%s: option `%s' is ambiguous\n"), + argv[0], argv[optind]); +#endif + } nextchar += strlen (nextchar); optind++; + optopt = 0; return '?'; } @@ -530,20 +723,57 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) optarg = nameend + 1; else { - if (opterr) + if (print_errors) { +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + int n; +#endif + if (argv[optind - 1][1] == '-') - /* --option */ - fprintf (stderr, - "%s: option `--%s' doesn't allow an argument\n", - argv[0], pfound->name); + { + /* --option */ +#if defined _LIBC && defined USE_IN_LIBIO + n = __asprintf (&buf, _("\ +%s: option `--%s' doesn't allow an argument\n"), + argv[0], pfound->name); +#else + fprintf (stderr, _("\ +%s: option `--%s' doesn't allow an argument\n"), + argv[0], pfound->name); +#endif + } else - /* +option or -option */ - fprintf (stderr, - "%s: option `%c%s' doesn't allow an argument\n", - argv[0], argv[optind - 1][0], pfound->name); + { + /* +option or -option */ +#if defined _LIBC && defined USE_IN_LIBIO + n = __asprintf (&buf, _("\ +%s: option `%c%s' doesn't allow an argument\n"), + argv[0], argv[optind - 1][0], + pfound->name); +#else + fprintf (stderr, _("\ +%s: option `%c%s' doesn't allow an argument\n"), + argv[0], argv[optind - 1][0], pfound->name); +#endif + } + +#if defined _LIBC && defined USE_IN_LIBIO + if (n >= 0) + { + if (_IO_fwide (stderr, 0) > 0) + __fwprintf (stderr, L"%s", buf); + else + fputs (buf, stderr); + + free (buf); + } +#endif } + nextchar += strlen (nextchar); + + optopt = pfound->val; return '?'; } } @@ -553,10 +783,30 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) optarg = argv[optind++]; else { - if (opterr) - fprintf (stderr, "%s: option `%s' requires an argument\n", - argv[0], argv[optind - 1]); + if (print_errors) + { +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + + if (__asprintf (&buf, _("\ +%s: option `%s' requires an argument\n"), + argv[0], argv[optind - 1]) >= 0) + { + if (_IO_fwide (stderr, 0) > 0) + __fwprintf (stderr, L"%s", buf); + else + fputs (buf, stderr); + + free (buf); + } +#else + fprintf (stderr, + _("%s: option `%s' requires an argument\n"), + argv[0], argv[optind - 1]); +#endif + } nextchar += strlen (nextchar); + optopt = pfound->val; return optstring[0] == ':' ? ':' : '?'; } } @@ -578,19 +828,51 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) if (!long_only || argv[optind][1] == '-' || my_index (optstring, *nextchar) == NULL) { - if (opterr) + if (print_errors) { +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + int n; +#endif + if (argv[optind][1] == '-') - /* --option */ - fprintf (stderr, "%s: unrecognized option `--%s'\n", - argv[0], nextchar); + { + /* --option */ +#if defined _LIBC && defined USE_IN_LIBIO + n = __asprintf (&buf, _("%s: unrecognized option `--%s'\n"), + argv[0], nextchar); +#else + fprintf (stderr, _("%s: unrecognized option `--%s'\n"), + argv[0], nextchar); +#endif + } else - /* +option or -option */ - fprintf (stderr, "%s: unrecognized option `%c%s'\n", - argv[0], argv[optind][0], nextchar); + { + /* +option or -option */ +#if defined _LIBC && defined USE_IN_LIBIO + n = __asprintf (&buf, _("%s: unrecognized option `%c%s'\n"), + argv[0], argv[optind][0], nextchar); +#else + fprintf (stderr, _("%s: unrecognized option `%c%s'\n"), + argv[0], argv[optind][0], nextchar); +#endif + } + +#if defined _LIBC && defined USE_IN_LIBIO + if (n >= 0) + { + if (_IO_fwide (stderr, 0) > 0) + __fwprintf (stderr, L"%s", buf); + else + fputs (buf, stderr); + + free (buf); + } +#endif } nextchar = (char *) ""; optind++; + optopt = 0; return '?'; } } @@ -607,14 +889,241 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) if (temp == NULL || c == ':') { - if (opterr) + if (print_errors) { - /* 1003.2 specifies the format of this message. */ - fprintf (stderr, "%s: illegal option -- %c\n", argv[0], c); +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + int n; +#endif + + if (posixly_correct) + { + /* 1003.2 specifies the format of this message. */ +#if defined _LIBC && defined USE_IN_LIBIO + n = __asprintf (&buf, _("%s: illegal option -- %c\n"), + argv[0], c); +#else + fprintf (stderr, _("%s: illegal option -- %c\n"), argv[0], c); +#endif + } + else + { +#if defined _LIBC && defined USE_IN_LIBIO + n = __asprintf (&buf, _("%s: invalid option -- %c\n"), + argv[0], c); +#else + fprintf (stderr, _("%s: invalid option -- %c\n"), argv[0], c); +#endif + } + +#if defined _LIBC && defined USE_IN_LIBIO + if (n >= 0) + { + if (_IO_fwide (stderr, 0) > 0) + __fwprintf (stderr, L"%s", buf); + else + fputs (buf, stderr); + + free (buf); + } +#endif } 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 (print_errors) + { + /* 1003.2 specifies the format of this message. */ +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + + if (__asprintf (&buf, + _("%s: option requires an argument -- %c\n"), + argv[0], c) >= 0) + { + if (_IO_fwide (stderr, 0) > 0) + __fwprintf (stderr, L"%s", buf); + else + fputs (buf, stderr); + + free (buf); + } +#else + fprintf (stderr, _("%s: option requires an argument -- %c\n"), + argv[0], c); +#endif + } + 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 (print_errors) + { +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + + if (__asprintf (&buf, _("%s: option `-W %s' is ambiguous\n"), + argv[0], argv[optind]) >= 0) + { + if (_IO_fwide (stderr, 0) > 0) + __fwprintf (stderr, L"%s", buf); + else + fputs (buf, stderr); + + free (buf); + } +#else + fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"), + argv[0], argv[optind]); +#endif + } + 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 (print_errors) + { +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + + if (__asprintf (&buf, _("\ +%s: option `-W %s' doesn't allow an argument\n"), + argv[0], pfound->name) >= 0) + { + if (_IO_fwide (stderr, 0) > 0) + __fwprintf (stderr, L"%s", buf); + else + fputs (buf, stderr); + + free (buf); + } +#else + fprintf (stderr, _("\ +%s: option `-W %s' doesn't allow an argument\n"), + argv[0], pfound->name); +#endif + } + + nextchar += strlen (nextchar); + return '?'; + } + } + else if (pfound->has_arg == 1) + { + if (optind < argc) + optarg = argv[optind++]; + else + { + if (print_errors) + { +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + + if (__asprintf (&buf, _("\ +%s: option `%s' requires an argument\n"), + argv[0], argv[optind - 1]) >= 0) + { + if (_IO_fwide (stderr, 0) > 0) + __fwprintf (stderr, L"%s", buf); + else + fputs (buf, stderr); + + free (buf); + } +#else + fprintf (stderr, + _("%s: option `%s' requires an argument\n"), + argv[0], argv[optind - 1]); +#endif + } + 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] == ':') @@ -641,11 +1150,28 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only) } else if (optind == argc) { - if (opterr) + if (print_errors) { /* 1003.2 specifies the format of this message. */ - fprintf (stderr, "%s: option requires an argument -- %c\n", +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + + if (__asprintf (&buf, _("\ +%s: option requires an argument -- %c\n"), + argv[0], c) >= 0) + { + if (_IO_fwide (stderr, 0) > 0) + __fwprintf (stderr, L"%s", buf); + else + fputs (buf, stderr); + + free (buf); + } +#else + fprintf (stderr, + _("%s: option requires an argument -- %c\n"), argv[0], c); +#endif } optopt = c; if (optstring[0] == ':') @@ -676,7 +1202,7 @@ getopt (argc, argv, optstring) 0); } -#endif /* _LIBC or not __GNU_LIBRARY__. */ +#endif /* Not ELIDE_CODE. */ #ifdef TEST @@ -696,7 +1222,7 @@ 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)