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Annotation of uae/src/getopt1.c, revision 1.1

1.1     ! root        1: /* getopt_long and getopt_long_only entry points for GNU getopt.
        !             2:    Copyright (C) 1987,88,89,90,91,92,93,94,96,97 Free Software Foundation, Inc.
        !             3: 
        !             4:    NOTE: The canonical source of this file is maintained with the GNU C Library.
        !             5:    Bugs can be reported to [email protected].
        !             6: 
        !             7:    This program is free software; you can redistribute it and/or modify it
        !             8:    under the terms of the GNU General Public License as published by the
        !             9:    Free Software Foundation; either version 2, or (at your option) any
        !            10:    later version.
        !            11: 
        !            12:    This program is distributed in the hope that it will be useful,
        !            13:    but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            14:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            15:    GNU General Public License for more details.
        !            16: 
        !            17:    You should have received a copy of the GNU General Public License
        !            18:    along with this program; if not, write to the Free Software
        !            19:    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
        !            20:    USA.  */
        !            21: 
        !            22: #ifdef HAVE_CONFIG_H
        !            23: #include <config.h>
        !            24: #endif
        !            25: 
        !            26: #include "getopt.h"
        !            27: 
        !            28: #if !defined (__STDC__) || !__STDC__
        !            29: /* This is a separate conditional since some stdc systems
        !            30:    reject `defined (const)'.  */
        !            31: #ifndef const
        !            32: #define const
        !            33: #endif
        !            34: #endif
        !            35: 
        !            36: #include <stdio.h>
        !            37: 
        !            38: /* Comment out all this code if we are using the GNU C Library, and are not
        !            39:    actually compiling the library itself.  This code is part of the GNU C
        !            40:    Library, but also included in many other GNU distributions.  Compiling
        !            41:    and linking in this code is a waste when using the GNU C library
        !            42:    (especially if it is a shared library).  Rather than having every GNU
        !            43:    program understand `configure --with-gnu-libc' and omit the object files,
        !            44:    it is simpler to just do this in the source for each such file.  */
        !            45: 
        !            46: #define GETOPT_INTERFACE_VERSION 2
        !            47: #if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2
        !            48: #include <gnu-versions.h>
        !            49: #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
        !            50: #define ELIDE_CODE
        !            51: #endif
        !            52: #endif
        !            53: 
        !            54: #ifndef ELIDE_CODE
        !            55: 
        !            56: 
        !            57: /* This needs to come after some library #include
        !            58:    to get __GNU_LIBRARY__ defined.  */
        !            59: #ifdef __GNU_LIBRARY__
        !            60: #include <stdlib.h>
        !            61: #endif
        !            62: 
        !            63: #ifndef        NULL
        !            64: #define NULL 0
        !            65: #endif
        !            66: 
        !            67: int
        !            68: getopt_long (argc, argv, options, long_options, opt_index)
        !            69:      int argc;
        !            70:      char *const *argv;
        !            71:      const char *options;
        !            72:      const struct option *long_options;
        !            73:      int *opt_index;
        !            74: {
        !            75:   return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
        !            76: }
        !            77: 
        !            78: /* Like getopt_long, but '-' as well as '--' can indicate a long option.
        !            79:    If an option that starts with '-' (not '--') doesn't match a long option,
        !            80:    but does match a short option, it is parsed as a short option
        !            81:    instead.  */
        !            82: 
        !            83: int
        !            84: getopt_long_only (argc, argv, options, long_options, opt_index)
        !            85:      int argc;
        !            86:      char *const *argv;
        !            87:      const char *options;
        !            88:      const struct option *long_options;
        !            89:      int *opt_index;
        !            90: {
        !            91:   return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
        !            92: }
        !            93: 
        !            94: 
        !            95: #endif /* Not ELIDE_CODE.  */
        !            96: 
        !            97: #ifdef TEST
        !            98: 
        !            99: #include <stdio.h>
        !           100: 
        !           101: int
        !           102: main (argc, argv)
        !           103:      int argc;
        !           104:      char **argv;
        !           105: {
        !           106:   int c;
        !           107:   int digit_optind = 0;
        !           108: 
        !           109:   while (1)
        !           110:     {
        !           111:       int this_option_optind = optind ? optind : 1;
        !           112:       int option_index = 0;
        !           113:       static struct option long_options[] =
        !           114:       {
        !           115:        {"add", 1, 0, 0},
        !           116:        {"append", 0, 0, 0},
        !           117:        {"delete", 1, 0, 0},
        !           118:        {"verbose", 0, 0, 0},
        !           119:        {"create", 0, 0, 0},
        !           120:        {"file", 1, 0, 0},
        !           121:        {0, 0, 0, 0}
        !           122:       };
        !           123: 
        !           124:       c = getopt_long (argc, argv, "abc:d:0123456789",
        !           125:                       long_options, &option_index);
        !           126:       if (c == -1)
        !           127:        break;
        !           128: 
        !           129:       switch (c)
        !           130:        {
        !           131:        case 0:
        !           132:          printf ("option %s", long_options[option_index].name);
        !           133:          if (optarg)
        !           134:            printf (" with arg %s", optarg);
        !           135:          printf ("\n");
        !           136:          break;
        !           137: 
        !           138:        case '0':
        !           139:        case '1':
        !           140:        case '2':
        !           141:        case '3':
        !           142:        case '4':
        !           143:        case '5':
        !           144:        case '6':
        !           145:        case '7':
        !           146:        case '8':
        !           147:        case '9':
        !           148:          if (digit_optind != 0 && digit_optind != this_option_optind)
        !           149:            printf ("digits occur in two different argv-elements.\n");
        !           150:          digit_optind = this_option_optind;
        !           151:          printf ("option %c\n", c);
        !           152:          break;
        !           153: 
        !           154:        case 'a':
        !           155:          printf ("option a\n");
        !           156:          break;
        !           157: 
        !           158:        case 'b':
        !           159:          printf ("option b\n");
        !           160:          break;
        !           161: 
        !           162:        case 'c':
        !           163:          printf ("option c with value `%s'\n", optarg);
        !           164:          break;
        !           165: 
        !           166:        case 'd':
        !           167:          printf ("option d with value `%s'\n", optarg);
        !           168:          break;
        !           169: 
        !           170:        case '?':
        !           171:          break;
        !           172: 
        !           173:        default:
        !           174:          printf ("?? getopt returned character code 0%o ??\n", c);
        !           175:        }
        !           176:     }
        !           177: 
        !           178:   if (optind < argc)
        !           179:     {
        !           180:       printf ("non-option ARGV-elements: ");
        !           181:       while (optind < argc)
        !           182:        printf ("%s ", argv[optind++]);
        !           183:       printf ("\n");
        !           184:     }
        !           185: 
        !           186:   exit (0);
        !           187: }
        !           188: 
        !           189: #endif /* TEST */

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