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Annotation of GNUtools/debug/gdb/libiberty/getopt1.c, revision 1.1

1.1     ! root        1: /* Getopt for GNU.
        !             2:    Copyright (C) 1987, 88, 89, 90, 91, 1992 Free Software Foundation, Inc.
        !             3: 
        !             4: This file is part of the libiberty library.
        !             5: Libiberty is free software; you can redistribute it and/or
        !             6: modify it under the terms of the GNU Library General Public
        !             7: License as published by the Free Software Foundation; either
        !             8: version 2 of the License, or (at your option) any later version.
        !             9: 
        !            10: Libiberty is distributed in the hope that it will be useful,
        !            11: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            13: Library General Public License for more details.
        !            14: 
        !            15: You should have received a copy of the GNU Library General Public
        !            16: License along with libiberty; see the file COPYING.LIB.  If
        !            17: not, write to the Free Software Foundation, Inc., 675 Mass Ave,
        !            18: Cambridge, MA 02139, USA.  */
        !            19: 
        !            20: #ifdef LIBC
        !            21: /* For when compiled as part of the GNU C library.  */
        !            22: #include <ansidecl.h>
        !            23: #endif
        !            24: 
        !            25: #include "getopt.h"
        !            26: 
        !            27: #ifndef __STDC__
        !            28: #define const
        !            29: #endif
        !            30: 
        !            31: #if defined(STDC_HEADERS) || defined(__GNU_LIBRARY__) || defined (LIBC)
        !            32: #include <stdlib.h>
        !            33: #else /* STDC_HEADERS or __GNU_LIBRARY__ */
        !            34: char *getenv ();
        !            35: #endif /* STDC_HEADERS or __GNU_LIBRARY__ */
        !            36: 
        !            37: #if !defined (NULL)
        !            38: #define NULL 0
        !            39: #endif
        !            40: 
        !            41: int
        !            42: getopt_long (argc, argv, options, long_options, opt_index)
        !            43:      int argc;
        !            44:      char *const *argv;
        !            45:      const char *options;
        !            46:      const struct option *long_options;
        !            47:      int *opt_index;
        !            48: {
        !            49:   return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
        !            50: }
        !            51: 
        !            52: /* Like getopt_long, but '-' as well as '--' can indicate a long option.
        !            53:    If an option that starts with '-' (not '--') doesn't match a long option,
        !            54:    but does match a short option, it is parsed as a short option
        !            55:    instead. */
        !            56: 
        !            57: int 
        !            58: getopt_long_only (argc, argv, options, long_options, opt_index)
        !            59:      int argc;
        !            60:      char *const *argv;
        !            61:      const char *options;
        !            62:      const struct option *long_options;
        !            63:      int *opt_index;
        !            64: {
        !            65:   return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
        !            66: }
        !            67: 
        !            68: #ifdef TEST
        !            69: 
        !            70: #include <stdio.h>
        !            71: 
        !            72: int
        !            73: main (argc, argv)
        !            74:      int argc;
        !            75:      char **argv;
        !            76: {
        !            77:   int c;
        !            78:   int digit_optind = 0;
        !            79: 
        !            80:   while (1)
        !            81:     {
        !            82:       int this_option_optind = optind ? optind : 1;
        !            83:       int option_index = 0;
        !            84:       static struct option long_options[] =
        !            85:       {
        !            86:        {"add", 1, 0, 0},
        !            87:        {"append", 0, 0, 0},
        !            88:        {"delete", 1, 0, 0},
        !            89:        {"verbose", 0, 0, 0},
        !            90:        {"create", 0, 0, 0},
        !            91:        {"file", 1, 0, 0},
        !            92:        {0, 0, 0, 0}
        !            93:       };
        !            94: 
        !            95:       c = getopt_long (argc, argv, "abc:d:0123456789",
        !            96:                       long_options, &option_index);
        !            97:       if (c == EOF)
        !            98:        break;
        !            99: 
        !           100:       switch (c)
        !           101:        {
        !           102:        case 0:
        !           103:          printf ("option %s", long_options[option_index].name);
        !           104:          if (optarg)
        !           105:            printf (" with arg %s", optarg);
        !           106:          printf ("\n");
        !           107:          break;
        !           108: 
        !           109:        case '0':
        !           110:        case '1':
        !           111:        case '2':
        !           112:        case '3':
        !           113:        case '4':
        !           114:        case '5':
        !           115:        case '6':
        !           116:        case '7':
        !           117:        case '8':
        !           118:        case '9':
        !           119:          if (digit_optind != 0 && digit_optind != this_option_optind)
        !           120:            printf ("digits occur in two different argv-elements.\n");
        !           121:          digit_optind = this_option_optind;
        !           122:          printf ("option %c\n", c);
        !           123:          break;
        !           124: 
        !           125:        case 'a':
        !           126:          printf ("option a\n");
        !           127:          break;
        !           128: 
        !           129:        case 'b':
        !           130:          printf ("option b\n");
        !           131:          break;
        !           132: 
        !           133:        case 'c':
        !           134:          printf ("option c with value `%s'\n", optarg);
        !           135:          break;
        !           136: 
        !           137:        case 'd':
        !           138:          printf ("option d with value `%s'\n", optarg);
        !           139:          break;
        !           140: 
        !           141:        case '?':
        !           142:          break;
        !           143: 
        !           144:        default:
        !           145:          printf ("?? getopt returned character code 0%o ??\n", c);
        !           146:        }
        !           147:     }
        !           148: 
        !           149:   if (optind < argc)
        !           150:     {
        !           151:       printf ("non-option ARGV-elements: ");
        !           152:       while (optind < argc)
        !           153:        printf ("%s ", argv[optind++]);
        !           154:       printf ("\n");
        !           155:     }
        !           156: 
        !           157:   exit (0);
        !           158: }
        !           159: 
        !           160: #endif /* TEST */

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