libport: Simplify configuration checks in getopt.c.
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
parent
25e4cfbdb3
commit
96b815fcca
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@ -83,7 +83,6 @@ C_SRCS = \
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fold.c \
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fstatvfs.c \
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getopt.c \
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getopt1.c \
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interlocked.c \
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isfinite.c \
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isinf.c \
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@ -27,61 +27,18 @@
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# define _NO_PROTO
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#endif
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#define HAVE_CONFIG_H /* needed for Wine */
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#include "config.h"
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#include "wine/port.h"
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifdef HAVE_GETOPT_LONG_ONLY
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#define ELIDE_CODE
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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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#endif
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#ifndef HAVE_GETOPT_LONG_ONLY
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#include <stdio.h>
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/* Comment out all this code if we are using the GNU C Library, and are not
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actually compiling the library itself. This code is part of the GNU C
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Library, but also included in many other GNU distributions. Compiling
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and linking in this code is a waste when using the GNU C library
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(especially if it is a shared library). Rather than having every GNU
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program understand `configure --with-gnu-libc' and omit the object files,
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it is simpler to just do this in the source for each such file. */
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#define GETOPT_INTERFACE_VERSION 2
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#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
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# include <gnu-versions.h>
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# if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
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# define ELIDE_CODE
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# endif
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#endif
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#ifndef ELIDE_CODE
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/* This needs to come after some library #include
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to get __GNU_LIBRARY__ defined. */
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#ifdef __GNU_LIBRARY__
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/* Don't include stdlib.h for non-GNU C libraries because some of them
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contain conflicting prototypes for getopt. */
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#include <stdlib.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#elif defined _MSC_VER
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# include <stdlib.h>
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#endif /* GNU C library. */
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#ifdef VMS
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# include <unixlib.h>
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# ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_GETOPT_H
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# include <getopt.h>
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#endif
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#ifndef _
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@ -117,8 +74,6 @@
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GNU application programs can use a third alternative mode in which
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they can distinguish the relative order of options and other arguments. */
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#include "getopt.h"
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/* For communication from `getopt' to the caller.
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When `getopt' finds an option that takes an argument,
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the argument value is returned here.
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@ -482,13 +437,7 @@ _getopt_initialize (argc, argv, optstring)
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long-named options. */
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int
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_getopt_internal (argc, argv, optstring, longopts, longind, long_only)
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int argc;
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char *const *argv;
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const char *optstring;
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const struct option *longopts;
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int *longind;
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int long_only;
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_getopt_internal( int argc, char * const *argv, const char *optstring, const struct option *longopts, int *longind, 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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@ -1171,76 +1120,21 @@ getopt (int argc, char * const *argv, const char *optstring)
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0);
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}
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#endif /* Not ELIDE_CODE. */
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int
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getopt_long (int argc, char * const *argv, const char *options, const struct option *long_options, int *opt_index)
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{
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return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
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}
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#ifdef TEST
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/* Compile with -DTEST to make an executable for use in testing
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the above definition of `getopt'. */
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/* Like getopt_long, but '-' as well as '--' can indicate a long option.
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If an option that starts with '-' (not '--') doesn't match a long option,
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but does match a short option, it is parsed as a short option
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instead. */
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int
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main (argc, argv)
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int argc;
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char **argv;
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getopt_long_only (int argc, char * const *argv, const char *options, const struct option *long_options, int *opt_index)
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{
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int c;
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int digit_optind = 0;
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while (1)
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{
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int this_option_optind = optind ? optind : 1;
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c = getopt (argc, argv, "abc:d:0123456789");
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if (c == -1)
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break;
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switch (c)
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{
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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if (digit_optind != 0 && digit_optind != this_option_optind)
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printf ("digits occur in two different argv-elements.\n");
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digit_optind = this_option_optind;
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printf ("option %c\n", c);
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break;
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case 'a':
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printf ("option a\n");
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break;
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case 'b':
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printf ("option b\n");
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break;
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case 'c':
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printf ("option c with value `%s'\n", optarg);
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break;
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case '?':
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break;
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default:
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printf ("?? getopt returned character code 0%o ??\n", c);
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}
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return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
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}
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if (optind < argc)
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{
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printf ("non-option ARGV-elements: ");
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while (optind < argc)
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printf ("%s ", argv[optind++]);
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printf ("\n");
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}
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exit (0);
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}
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#endif /* TEST */
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#endif /* HAVE_GETOPT_LONG_ONLY */
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@ -1,129 +0,0 @@
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/* Declarations for getopt.
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Copyright (C) 1989-1994, 1996-1999, 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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MA 02110-1301, USA */
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#ifndef _GETOPT_H
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#ifndef __need_getopt
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# define _GETOPT_H 1
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#endif
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/* If __GNU_LIBRARY__ is not already defined, either we are being used
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standalone, or this is the first header included in the source file.
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If we are being used with glibc, we need to include <features.h>, but
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that does not exist if we are standalone. So: if __GNU_LIBRARY__ is
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not defined, include <ctype.h>, which will pull in <features.h> for us
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if it's from glibc. (Why ctype.h? It's guaranteed to exist and it
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doesn't flood the namespace with stuff the way some other headers do.) */
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#if !defined __GNU_LIBRARY__
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# include <ctype.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* For communication from `getopt' to the caller.
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When `getopt' finds an option that takes an argument,
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the argument value is returned here.
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Also, when `ordering' is RETURN_IN_ORDER,
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each non-option ARGV-element is returned here. */
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extern char *optarg;
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/* Index in ARGV of the next element to be scanned.
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This is used for communication to and from the caller
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and for communication between successive calls to `getopt'.
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On entry to `getopt', zero means this is the first call; initialize.
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When `getopt' returns -1, this is the index of the first of the
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non-option elements that the caller should itself scan.
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Otherwise, `optind' communicates from one call to the next
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how much of ARGV has been scanned so far. */
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extern int optind;
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/* Callers store zero here to inhibit the error message `getopt' prints
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for unrecognized options. */
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extern int opterr;
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/* Set to an option character which was unrecognized. */
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extern int optopt;
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#ifndef __need_getopt
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/* Describe the long-named options requested by the application.
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The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
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of `struct option' terminated by an element containing a name which is
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zero.
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The field `has_arg' is:
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no_argument (or 0) if the option does not take an argument,
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required_argument (or 1) if the option requires an argument,
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optional_argument (or 2) if the option takes an optional argument.
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If the field `flag' is not NULL, it points to a variable that is set
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to the value given in the field `val' when the option is found, but
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left unchanged if the option is not found.
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To have a long-named option do something other than set an `int' to
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a compiled-in constant, such as set a value from `optarg', set the
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option's `flag' field to zero and its `val' field to a nonzero
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value (the equivalent single-letter option character, if there is
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one). For long options that have a zero `flag' field, `getopt'
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returns the contents of the `val' field. */
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struct option
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{
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# if (defined __STDC__ && __STDC__) || defined __cplusplus
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const char *name;
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# else
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char *name;
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# endif
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/* has_arg can't be an enum because some compilers complain about
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type mismatches in all the code that assumes it is an int. */
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int has_arg;
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int *flag;
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int val;
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};
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/* Names for the values of the `has_arg' field of `struct option'. */
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# define no_argument 0
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# define required_argument 1
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# define optional_argument 2
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#endif /* need getopt */
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/* Internal only. Users should not call this directly. */
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extern int _getopt_internal (int ___argc, char *const *___argv,
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const char *__shortopts,
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const struct option *__longopts, int *__longind,
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int __long_only);
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#ifdef __cplusplus
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}
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#endif
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/* Make sure we later can get all the definitions and declarations. */
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#undef __need_getopt
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#endif /* getopt.h */
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@ -1,192 +0,0 @@
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/* getopt_long and getopt_long_only entry points for GNU getopt.
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Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98
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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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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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MA 02110-1301, USA */
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#define HAVE_CONFIG_H /* needed for Wine */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#ifdef HAVE_GETOPT_LONG_ONLY
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#define ELIDE_CODE
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#endif
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#ifdef _LIBC
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# include <getopt.h>
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#else
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# include "getopt.h"
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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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#endif
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#include <stdio.h>
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/* Comment out all this code if we are using the GNU C Library, and are not
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actually compiling the library itself. This code is part of the GNU C
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Library, but also included in many other GNU distributions. Compiling
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and linking in this code is a waste when using the GNU C library
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(especially if it is a shared library). Rather than having every GNU
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program understand `configure --with-gnu-libc' and omit the object files,
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it is simpler to just do this in the source for each such file. */
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#define GETOPT_INTERFACE_VERSION 2
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#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
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#include <gnu-versions.h>
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#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
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#define ELIDE_CODE
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#endif
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#endif
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#ifndef ELIDE_CODE
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/* This needs to come after some library #include
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to get __GNU_LIBRARY__ defined. */
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#ifdef __GNU_LIBRARY__
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#include <stdlib.h>
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#endif
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#ifndef NULL
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#define NULL 0
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#endif
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int
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getopt_long (int argc, char * const *argv, const char *options, const struct option *long_options, int *opt_index)
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{
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return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
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}
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/* Like getopt_long, but '-' as well as '--' can indicate a long option.
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If an option that starts with '-' (not '--') doesn't match a long option,
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but does match a short option, it is parsed as a short option
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instead. */
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int
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getopt_long_only (int argc, char * const *argv, const char *options, const struct option *long_options, int *opt_index)
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{
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return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
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}
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# ifdef _LIBC
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libc_hidden_def (getopt_long)
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libc_hidden_def (getopt_long_only)
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# endif
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#endif /* Not ELIDE_CODE. */
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#ifdef TEST
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#include <stdio.h>
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int
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main (argc, argv)
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int argc;
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char **argv;
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{
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int c;
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int digit_optind = 0;
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while (1)
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{
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int this_option_optind = optind ? optind : 1;
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int option_index = 0;
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static struct option long_options[] =
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{
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{"add", 1, 0, 0},
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{"append", 0, 0, 0},
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{"delete", 1, 0, 0},
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{"verbose", 0, 0, 0},
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{"create", 0, 0, 0},
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{"file", 1, 0, 0},
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{0, 0, 0, 0}
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};
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c = getopt_long (argc, argv, "abc:d:0123456789",
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long_options, &option_index);
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if (c == -1)
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break;
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switch (c)
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{
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case 0:
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printf ("option %s", long_options[option_index].name);
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if (optarg)
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printf (" with arg %s", optarg);
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printf ("\n");
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break;
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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if (digit_optind != 0 && digit_optind != this_option_optind)
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printf ("digits occur in two different argv-elements.\n");
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digit_optind = this_option_optind;
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printf ("option %c\n", c);
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break;
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case 'a':
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printf ("option a\n");
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break;
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case 'b':
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printf ("option b\n");
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break;
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case 'c':
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printf ("option c with value `%s'\n", optarg);
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break;
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case 'd':
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printf ("option d with value `%s'\n", optarg);
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break;
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case '?':
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break;
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default:
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printf ("?? getopt returned character code 0%o ??\n", c);
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}
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}
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if (optind < argc)
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{
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printf ("non-option ARGV-elements: ");
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while (optind < argc)
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printf ("%s ", argv[optind++]);
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printf ("\n");
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}
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exit (0);
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}
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#endif /* TEST */
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