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Diffstat (limited to 'src/share/getopt/getopt1.c')
| -rw-r--r-- | src/share/getopt/getopt1.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/share/getopt/getopt1.c b/src/share/getopt/getopt1.c new file mode 100644 index 0000000..fc52678 --- /dev/null +++ b/src/share/getopt/getopt1.c @@ -0,0 +1,189 @@ +/* + NOTE: + I cannot get the vanilla getopt code to work (i.e. compile only what + is needed and not duplicate symbols found in the standard library) + on all the platforms that FLAC supports. In particular the gating + of code with the ELIDE_CODE #define is not accurate enough on systems + that are POSIX but not glibc. If someone has a patch that works on + GNU/Linux, Darwin, AND Solaris please submit it on the project page: + https://sourceforge.net/p/flac/patches/ + + In the meantime I have munged the global symbols and removed gates + around code, while at the same time trying to touch the original as + little as possible. +*/ +/* getopt_long and getopt_long_only entry points for GNU getopt. + Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#if !defined __STDC__ || !__STDC__ +/* This is a separate conditional since some stdc systems + reject `defined (const)'. */ +#ifndef const +#define const +#endif +#endif + +#include <stdio.h> + +#include "share/getopt.h" +/*[JEC] was:#include "getopt.h"*/ + +/* Comment out all this code if we are using the GNU C Library, and are not + actually compiling the library itself. This code is part of the GNU C + Library, but also included in many other GNU distributions. Compiling + and linking in this code is a waste when using the GNU C library + (especially if it is a shared library). Rather than having every GNU + program understand `configure --with-gnu-libc' and omit the object files, + it is simpler to just do this in the source for each such file. */ + +#define GETOPT_INTERFACE_VERSION 2 +#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2 +#include <gnu-versions.h> +#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION +#define ELIDE_CODE +#endif +#endif + +#if 1 +/*[JEC] was:#ifndef ELIDE_CODE*/ + + +/* This needs to come after some library #include + to get __GNU_LIBRARY__ defined. */ +#ifdef __GNU_LIBRARY__ +#include <stdlib.h> +#endif + +#ifndef NULL +#define NULL 0 +#endif + +int share__getopt_long(int argc, char *const *argv, const char *options, const struct share__option *long_options, int *opt_index) +{ + return share___getopt_internal (argc, argv, options, long_options, opt_index, 0); +} + +/* Like share__getopt_long, but '-' as well as '--' can indicate a long option. + If an option that starts with '-' (not '--') doesn't match a long option, + but does match a short option, it is parsed as a short option + instead. */ + +int share__getopt_long_only(int argc, char *const *argv, const char *options, const struct share__option *long_options, int *opt_index) +{ + return share___getopt_internal (argc, argv, options, long_options, opt_index, 1); +} + + +#endif /* Not ELIDE_CODE. */ + +#ifdef TEST + +#include <stdio.h> + +int main(int argc, char **argv) +{ + int c; + int digit_optind = 0; + + while (1) + { + int this_option_optind = share__optind ? share__optind : 1; + int option_index = 0; + static struct share__option long_options[] = + { + {"add", 1, 0, 0}, + {"append", 0, 0, 0}, + {"delete", 1, 0, 0}, + {"verbose", 0, 0, 0}, + {"create", 0, 0, 0}, + {"file", 1, 0, 0}, + {0, 0, 0, 0} + }; + + c = share__getopt_long (argc, argv, "abc:d:0123456789", + long_options, &option_index); + if (c == -1) + break; + + switch (c) + { + case 0: + printf ("option %s", long_options[option_index].name); + if (share__optarg) + printf (" with arg %s", share__optarg); + printf ("\n"); + break; + + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + if (digit_optind != 0 && digit_optind != this_option_optind) + printf ("digits occur in two different argv-elements.\n"); + digit_optind = this_option_optind; + printf ("option %c\n", c); + break; + + case 'a': + printf ("option a\n"); + break; + + case 'b': + printf ("option b\n"); + break; + + case 'c': + printf ("option c with value `%s'\n", share__optarg); + break; + + case 'd': + printf ("option d with value `%s'\n", share__optarg); + break; + + case '?': + break; + + default: + printf ("?? getopt returned character code 0%o ??\n", c); + } + } + + if (share__optind < argc) + { + printf ("non-option ARGV-elements: "); + while (share__optind < argc) + printf ("%s ", argv[share__optind++]); + printf ("\n"); + } + + exit (0); +} + +#endif /* TEST */ |