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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/C++2LaTeX-1_1pl1/getopt1.c
Initial commit
Diffstat (limited to 'support/C++2LaTeX-1_1pl1/getopt1.c')
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diff --git a/support/C++2LaTeX-1_1pl1/getopt1.c b/support/C++2LaTeX-1_1pl1/getopt1.c
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+/* Getopt for GNU.
+ Copyright (C) 1987, 1989 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 1, or (at your option)
+ any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+
+
+#include "getopt.h"
+
+int
+getopt_long (argc, argv, options, long_options, opt_index)
+ int argc;
+ char **argv;
+ char *options;
+ struct option *long_options;
+ int *opt_index;
+{
+ int val;
+ _getopt_long_options = long_options;
+ val = getopt (argc, argv, options);
+ if (val == 0)
+ *opt_index = option_index;
+ return val;
+}
+
+/* Like getopt_long, but there are no short options. That is,
+ '-' as well as '+' indicates a long option. Of course, long_options
+ can contain single character options but '-ab' is not the same as
+ '-a -b'. */
+int getopt_long_only (argc, argv, options, long_options, opt_index)
+ int argc;
+ char **argv;
+ char *options;
+ struct option *long_options;
+ int *opt_index;
+{
+ int val;
+ _getopt_long_options = long_options;
+ _getopt_long_only = 1;
+ val = getopt (argc, argv, options);
+ if (val == 0)
+ *opt_index = option_index;
+ return val;
+}
+
+
+#ifdef TEST
+
+#include <stdio.h>
+
+int
+main (argc, argv)
+ int argc;
+ char **argv;
+{
+ char c;
+ int digit_optind = 0;
+
+ while (1)
+ {
+ int this_option_optind = optind;
+ char *name = '\0';
+ int option_index = 0;
+ static struct 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 = getopt_long (argc, argv, "abc:d:0123456789",
+ long_options, &option_index);
+ if (c == EOF)
+ break;
+ switch (c)
+ {
+ case 0:
+ printf ("option %s", (long_options[option_index]).name);
+ if (optarg)
+ printf (" with arg %s", 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", optarg);
+ break;
+
+ case '?':
+ break;
+
+ default:
+ printf ("?? getopt returned character code 0%o ??\n", c);
+ }
+ }
+
+ if (optind < argc)
+ {
+ printf ("non-option ARGV-elements: ");
+ while (optind < argc)
+ printf ("%s ", argv[optind++]);
+ printf ("\n");
+ }
+
+ return 0;
+}
+
+#endif /* TEST */