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(const): Move outside !HAVE_CONFIG_H conditional.
(libintl.h): Include this if _LIBC. Otherwise include gettext.h. (wchar.h): Include, maybe. (attribute_hidden): Define if not defind. (__getopt_initialized): Use attribute_hidden. (__libc_argc, __libc_argv): Renamed from original_argc, etc. (__getopt_nonoption_flags, nonoption_flags_max_len, nonoption_flags_len): Conditional on USE_NONOPTION_FLAGS. (SWAP_FLAGS): New definitions. (exchange): Test USE_NONOPTION_FLAGS. (_getopt_initialize): Test USE_NONOPTION_FLAGS. (_getopt_internal): Error if argc < 1. New local var print_errors. Improve test for ambiguous long option. Add LIBIO support for error message output. (NONOPTION_P): Test USE_NONOPTION_FLAGS.
This commit is contained in:
Richard M. Stallman
parent
e1e86c97c5
commit
554ed1ff28
410
lib-src/getopt.c
410
lib-src/getopt.c
@ -1,22 +1,23 @@
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/* Getopt for GNU.
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NOTE: The canonical source of this file is maintained with the GNU
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C Library. Bugs can be reported to bug-glibc@gnu.org.
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Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99
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NOTE: getopt is now part of the C library, so if you don't know what
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"Keep this file name-space clean" means, talk to drepper@gnu.org
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before changing it!
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Copyright (C) 1987,88,89,90,91,92,93,94,95,96,98,99,2000,2001,2002
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>.
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@ -27,13 +28,13 @@
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#else
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# if !defined __STDC__ || !__STDC__
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#endif
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#if !defined __STDC__ || !__STDC__
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/* This is a separate conditional since some stdc systems
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reject `defined (const)'. */
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# ifndef const
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# define const
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# endif
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# ifndef const
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# define const
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# endif
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#endif
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@ -74,15 +75,20 @@
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# endif
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#endif
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#ifndef _
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/* This is for other GNU distributions with internationalized messages.
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When compiling libc, the _ macro is predefined. */
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# ifdef HAVE_LIBINTL_H
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# include <libintl.h>
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# define _(msgid) gettext (msgid)
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# else
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# define _(msgid) (msgid)
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# endif
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#ifdef _LIBC
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# include <libintl.h>
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#else
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/* This is for other GNU distributions with internationalized messages. */
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# include "gettext.h"
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#endif
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#define _(msgid) gettext (msgid)
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#if defined _LIBC && defined USE_IN_LIBIO
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# include <wchar.h>
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#endif
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#ifndef attribute_hidden
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# define attribute_hidden
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#endif
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/* This version of `getopt' appears to the caller like standard Unix `getopt'
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@ -128,7 +134,7 @@ int optind = 1;
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causes problems with re-calling getopt as programs generally don't
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know that. */
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int __getopt_initialized;
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int __getopt_initialized attribute_hidden;
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/* The next char to be scanned in the option-element
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in which the last option character we returned was found.
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@ -247,41 +253,34 @@ static int first_nonopt;
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static int last_nonopt;
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#ifdef _LIBC
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/* Stored original parameters.
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XXX This is no good solution. We should rather copy the args so
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that we can compare them later. But we must not use malloc(3). */
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extern int __libc_argc;
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extern char **__libc_argv;
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/* Bash 2.0 gives us an environment variable containing flags
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indicating ARGV elements that should not be considered arguments. */
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# ifdef USE_NONOPTION_FLAGS
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/* Defined in getopt_init.c */
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extern char *__getopt_nonoption_flags;
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static int nonoption_flags_max_len;
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static int nonoption_flags_len;
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# endif
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static int original_argc;
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static char *const *original_argv;
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/* Make sure the environment variable bash 2.0 puts in the environment
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is valid for the getopt call we must make sure that the ARGV passed
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to getopt is that one passed to the process. */
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static void
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__attribute__ ((unused))
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store_args_and_env (int argc, char *const *argv)
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{
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/* XXX This is no good solution. We should rather copy the args so
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that we can compare them later. But we must not use malloc(3). */
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original_argc = argc;
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original_argv = argv;
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}
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# ifdef text_set_element
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text_set_element (__libc_subinit, store_args_and_env);
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# endif /* text_set_element */
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# define SWAP_FLAGS(ch1, ch2) \
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# ifdef USE_NONOPTION_FLAGS
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# define SWAP_FLAGS(ch1, ch2) \
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if (nonoption_flags_len > 0) \
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{ \
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char __tmp = __getopt_nonoption_flags[ch1]; \
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__getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2]; \
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__getopt_nonoption_flags[ch2] = __tmp; \
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}
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# else
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# define SWAP_FLAGS(ch1, ch2)
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# endif
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#else /* !_LIBC */
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# define SWAP_FLAGS(ch1, ch2)
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#endif /* _LIBC */
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@ -313,7 +312,7 @@ exchange (argv)
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It leaves the longer segment in the right place overall,
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but it consists of two parts that need to be swapped next. */
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#ifdef _LIBC
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#if defined _LIBC && defined USE_NONOPTION_FLAGS
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/* First make sure the handling of the `__getopt_nonoption_flags'
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string can work normally. Our top argument must be in the range
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of the string. */
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@ -417,9 +416,9 @@ _getopt_initialize (argc, argv, optstring)
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else
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ordering = PERMUTE;
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#ifdef _LIBC
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#if defined _LIBC && defined USE_NONOPTION_FLAGS
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if (posixly_correct == NULL
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&& argc == original_argc && argv == original_argv)
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&& argc == __libc_argc && argv == __libc_argv)
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{
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if (nonoption_flags_max_len == 0)
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{
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@ -515,6 +514,13 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
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int *longind;
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int long_only;
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{
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int print_errors = opterr;
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if (optstring[0] == ':')
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print_errors = 0;
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if (argc < 1)
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return -1;
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optarg = NULL;
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if (optind == 0 || !__getopt_initialized)
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@ -529,7 +535,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
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Either it does not have option syntax, or there is an environment flag
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from the shell indicating it is not an option. The later information
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is only used when the used in the GNU libc. */
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#ifdef _LIBC
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#if defined _LIBC && defined USE_NONOPTION_FLAGS
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# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0' \
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|| (optind < nonoption_flags_len \
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&& __getopt_nonoption_flags[optind] == '1'))
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@ -664,16 +670,37 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
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pfound = p;
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indfound = option_index;
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}
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else
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else if (long_only
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|| pfound->has_arg != p->has_arg
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|| pfound->flag != p->flag
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|| pfound->val != p->val)
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/* Second or later nonexact match found. */
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ambig = 1;
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}
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if (ambig && !exact)
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{
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if (opterr)
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fprintf (stderr, _("%s: option `%s' is ambiguous\n"),
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argv[0], argv[optind]);
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if (print_errors)
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{
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#if defined _LIBC && defined USE_IN_LIBIO
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char *buf;
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if (__asprintf (&buf, _("%s: option `%s' is ambiguous\n"),
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argv[0], argv[optind]) >= 0)
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{
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if (_IO_fwide (stderr, 0) > 0)
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__fwprintf (stderr, L"%s", buf);
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else
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fputs (buf, stderr);
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free (buf);
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}
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#else
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fprintf (stderr, _("%s: option `%s' is ambiguous\n"),
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argv[0], argv[optind]);
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#endif
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}
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nextchar += strlen (nextchar);
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optind++;
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optopt = 0;
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@ -692,18 +719,52 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
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optarg = nameend + 1;
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else
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{
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if (opterr)
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if (print_errors)
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{
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#if defined _LIBC && defined USE_IN_LIBIO
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char *buf;
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int n;
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#endif
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if (argv[optind - 1][1] == '-')
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/* --option */
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fprintf (stderr,
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_("%s: option `--%s' doesn't allow an argument\n"),
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argv[0], pfound->name);
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{
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/* --option */
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#if defined _LIBC && defined USE_IN_LIBIO
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n = __asprintf (&buf, _("\
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%s: option `--%s' doesn't allow an argument\n"),
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argv[0], pfound->name);
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#else
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fprintf (stderr, _("\
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%s: option `--%s' doesn't allow an argument\n"),
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argv[0], pfound->name);
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#endif
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}
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else
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/* +option or -option */
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fprintf (stderr,
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_("%s: option `%c%s' doesn't allow an argument\n"),
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argv[0], argv[optind - 1][0], pfound->name);
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{
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/* +option or -option */
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#if defined _LIBC && defined USE_IN_LIBIO
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n = __asprintf (&buf, _("\
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%s: option `%c%s' doesn't allow an argument\n"),
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argv[0], argv[optind - 1][0],
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pfound->name);
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#else
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fprintf (stderr, _("\
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%s: option `%c%s' doesn't allow an argument\n"),
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argv[0], argv[optind - 1][0], pfound->name);
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#endif
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}
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#if defined _LIBC && defined USE_IN_LIBIO
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if (n >= 0)
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{
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if (_IO_fwide (stderr, 0) > 0)
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__fwprintf (stderr, L"%s", buf);
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else
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fputs (buf, stderr);
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free (buf);
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}
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#endif
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}
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nextchar += strlen (nextchar);
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@ -718,10 +779,28 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
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optarg = argv[optind++];
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else
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{
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if (opterr)
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fprintf (stderr,
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_("%s: option `%s' requires an argument\n"),
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argv[0], argv[optind - 1]);
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if (print_errors)
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{
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#if defined _LIBC && defined USE_IN_LIBIO
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char *buf;
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if (__asprintf (&buf, _("\
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%s: option `%s' requires an argument\n"),
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argv[0], argv[optind - 1]) >= 0)
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{
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if (_IO_fwide (stderr, 0) > 0)
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__fwprintf (stderr, L"%s", buf);
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else
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fputs (buf, stderr);
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free (buf);
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}
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#else
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fprintf (stderr,
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_("%s: option `%s' requires an argument\n"),
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argv[0], argv[optind - 1]);
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#endif
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}
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nextchar += strlen (nextchar);
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optopt = pfound->val;
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return optstring[0] == ':' ? ':' : '?';
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@ -745,16 +824,47 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
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if (!long_only || argv[optind][1] == '-'
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|| my_index (optstring, *nextchar) == NULL)
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{
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if (opterr)
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if (print_errors)
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{
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#if defined _LIBC && defined USE_IN_LIBIO
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char *buf;
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int n;
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#endif
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if (argv[optind][1] == '-')
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/* --option */
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fprintf (stderr, _("%s: unrecognized option `--%s'\n"),
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argv[0], nextchar);
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{
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/* --option */
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#if defined _LIBC && defined USE_IN_LIBIO
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n = __asprintf (&buf, _("%s: unrecognized option `--%s'\n"),
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argv[0], nextchar);
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#else
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fprintf (stderr, _("%s: unrecognized option `--%s'\n"),
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argv[0], nextchar);
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#endif
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}
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else
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/* +option or -option */
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fprintf (stderr, _("%s: unrecognized option `%c%s'\n"),
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argv[0], argv[optind][0], nextchar);
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{
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/* +option or -option */
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#if defined _LIBC && defined USE_IN_LIBIO
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n = __asprintf (&buf, _("%s: unrecognized option `%c%s'\n"),
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argv[0], argv[optind][0], nextchar);
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#else
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fprintf (stderr, _("%s: unrecognized option `%c%s'\n"),
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argv[0], argv[optind][0], nextchar);
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#endif
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}
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#if defined _LIBC && defined USE_IN_LIBIO
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if (n >= 0)
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{
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if (_IO_fwide (stderr, 0) > 0)
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__fwprintf (stderr, L"%s", buf);
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else
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fputs (buf, stderr);
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free (buf);
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}
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#endif
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}
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nextchar = (char *) "";
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optind++;
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@ -775,15 +885,44 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
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|
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if (temp == NULL || c == ':')
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{
|
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if (opterr)
|
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if (print_errors)
|
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{
|
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#if defined _LIBC && defined USE_IN_LIBIO
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char *buf;
|
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int n;
|
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#endif
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|
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if (posixly_correct)
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/* 1003.2 specifies the format of this message. */
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fprintf (stderr, _("%s: illegal option -- %c\n"),
|
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argv[0], c);
|
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{
|
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/* 1003.2 specifies the format of this message. */
|
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#if defined _LIBC && defined USE_IN_LIBIO
|
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n = __asprintf (&buf, _("%s: illegal option -- %c\n"),
|
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argv[0], c);
|
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#else
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fprintf (stderr, _("%s: illegal option -- %c\n"), argv[0], c);
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#endif
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}
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else
|
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fprintf (stderr, _("%s: invalid option -- %c\n"),
|
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argv[0], c);
|
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{
|
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#if defined _LIBC && defined USE_IN_LIBIO
|
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n = __asprintf (&buf, _("%s: invalid option -- %c\n"),
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argv[0], c);
|
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#else
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fprintf (stderr, _("%s: invalid option -- %c\n"), argv[0], c);
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#endif
|
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}
|
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|
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#if defined _LIBC && defined USE_IN_LIBIO
|
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if (n >= 0)
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{
|
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if (_IO_fwide (stderr, 0) > 0)
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__fwprintf (stderr, L"%s", buf);
|
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else
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fputs (buf, stderr);
|
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|
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free (buf);
|
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}
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#endif
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}
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optopt = c;
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return '?';
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@ -809,11 +948,27 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
|
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}
|
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else if (optind == argc)
|
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{
|
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if (opterr)
|
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if (print_errors)
|
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{
|
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/* 1003.2 specifies the format of this message. */
|
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#if defined _LIBC && defined USE_IN_LIBIO
|
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char *buf;
|
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|
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if (__asprintf (&buf,
|
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_("%s: option requires an argument -- %c\n"),
|
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argv[0], c) >= 0)
|
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{
|
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if (_IO_fwide (stderr, 0) > 0)
|
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__fwprintf (stderr, L"%s", buf);
|
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else
|
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fputs (buf, stderr);
|
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|
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free (buf);
|
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}
|
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#else
|
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fprintf (stderr, _("%s: option requires an argument -- %c\n"),
|
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argv[0], c);
|
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#endif
|
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}
|
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optopt = c;
|
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if (optstring[0] == ':')
|
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@ -858,9 +1013,26 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
|
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}
|
||||
if (ambig && !exact)
|
||||
{
|
||||
if (opterr)
|
||||
fprintf (stderr, _("%s: option `-W %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 `-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 '?';
|
||||
@ -876,10 +1048,28 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
|
||||
optarg = nameend + 1;
|
||||
else
|
||||
{
|
||||
if (opterr)
|
||||
fprintf (stderr, _("\
|
||||
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);
|
||||
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 '?';
|
||||
@ -891,10 +1081,28 @@ _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);
|
||||
return optstring[0] == ':' ? ':' : '?';
|
||||
}
|
||||
@ -938,12 +1146,28 @@ _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. */
|
||||
#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);
|
||||
_("%s: option requires an argument -- %c\n"),
|
||||
argv[0], c);
|
||||
#endif
|
||||
}
|
||||
optopt = c;
|
||||
if (optstring[0] == ':')
|
||||
|
||||
Loading…
Reference in New Issue
Block a user