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-rw-r--r--lib/getopt1.c176
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diff --git a/lib/getopt1.c b/lib/getopt1.c
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+/* 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.
+ *
+ * NOTE: The canonical source of this file is maintained with the GNU C Library.
+ * Bugs can be reported to bug-glibc@gnu.org.
+ *
+ * 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 2, 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; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <zebra.h>
+#include "getopt.h"
+
+#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>
+
+/* 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
+
+#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 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);
+}
+
+
+#endif /* Not ELIDE_CODE. */
+
+#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 == -1)
+ 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 */