BSD 4_4 development

Work on file usr/src/contrib/gawk-2.15.2/getopt1.c

Synthesized-from: CSRG/cd3/4.4

diff --git a/usr/src/contrib/gawk-2.15.2/getopt1.c b/usr/src/contrib/gawk-2.15.2/getopt1.c
new file mode 100644 (file)
index 0000000..e2127cd
--- /dev/null
+++ b/usr/src/contrib/gawk-2.15.2/getopt1.c
@@ -0,0 +1,160 @@
+/* Getopt for GNU.
+   Copyright (C) 1987, 88, 89, 90, 91, 1992 Free Software Foundation, Inc.
+
+This file is part of the libiberty library.
+Libiberty 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.
+
+Libiberty 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 libiberty; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+\f
+#ifdef LIBC
+/* For when compiled as part of the GNU C library.  */
+#include <ansidecl.h>
+#endif
+
+#include "getopt.h"
+
+#ifndef __STDC__
+#define const
+#endif
+
+#if defined(STDC_HEADERS) || defined(__GNU_LIBRARY__) || defined (LIBC)
+#include <stdlib.h>
+#else /* STDC_HEADERS or __GNU_LIBRARY__ */
+char *getenv ();
+#endif /* STDC_HEADERS or __GNU_LIBRARY__ */
+
+#if !defined (NULL)
+#define NULL 0
+#endif
+
+int
+getopt_long (argc, argv, options, long_options, opt_index)
+     int argc;
+     char *const *argv;
+     const char *options;
+     const struct option *long_options;
+     int *opt_index;
+{
+  return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
+}
+
+/* Like 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 
+getopt_long_only (argc, argv, options, long_options, opt_index)
+     int argc;
+     char *const *argv;
+     const char *options;
+     const struct option *long_options;
+     int *opt_index;
+{
+  return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
+}
+\f
+#ifdef TEST
+
+#include <stdio.h>
+
+int
+main (argc, argv)
+     int argc;
+     char **argv;
+{
+  int c;
+  int digit_optind = 0;
+
+  while (1)
+    {
+      int this_option_optind = optind ? optind : 1;
+      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 'd':
+         printf ("option d 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");
+    }
+
+  exit (0);
+}
+
+#endif /* TEST */