--- /dev/null
+/* Test of command line argument processing.
+ Copyright (C) 2009-2025 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 3 of the License, 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, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2009. */
+
+#include <config.h>
+
+/* Specification. */
+#include "options.h"
+
+#include <string.h>
+
+#include "macros.h"
+
+static int a_seen;
+static int b_seen;
+static int q_seen;
+
+/* Reduce casting, so we can use string literals elsewhere.
+ getopt_long takes an array of char*, but luckily does not modify
+ those elements, so we can pass const char*. */
+
+static void
+options_loop (enum non_option_handling nonopt_handling,
+ unsigned int error_handling,
+ const char **p_value, const char **q_value,
+ int *non_options_count, const char **non_options,
+ int *unrecognized)
+{
+ int c;
+
+ q_seen = 0;
+ while ((c = get_next_option ()) != -1)
+ {
+ switch (c)
+ {
+ case 0:
+ /* An option with key == 0 was processed. */
+ if (q_seen)
+ *q_value = optarg;
+ break;
+ case 'a':
+ a_seen++;
+ break;
+ case 'b':
+ b_seen = 1;
+ break;
+ case 'p':
+ *p_value = optarg;
+ break;
+ case 'q':
+ *q_value = optarg;
+ break;
+ case '\1':
+ ASSERT (nonopt_handling == PROCESS_NON_OPTIONS);
+ non_options[(*non_options_count)++] = optarg;
+ break;
+ case ':':
+ ASSERT (error_handling & OPTIONS_MISSING_IS_COLON);
+ FALLTHROUGH;
+ case '?':
+ *unrecognized = optopt;
+ break;
+ default:
+ *unrecognized = c;
+ break;
+ }
+ }
+}
+
+static void
+test_getopt_long (void)
+{
+ int start;
+
+ /* Test disambiguation of options. */
+ {
+ static const struct program_option options[] =
+ {
+ { "alpha", 'a', no_argument },
+ { "beta", 0, no_argument, &b_seen, 1 },
+ { "prune", 1000, required_argument },
+ { "quetsche", 0, required_argument, &q_seen, 1 },
+ { "xtremely-", 1003, no_argument },
+ { "xtra", 1001, no_argument },
+ { "xtreme", 1002, no_argument },
+ { "xtremely", 1003, no_argument },
+ { NULL, 'b', no_argument },
+ };
+
+ {
+ int argc = 0;
+ const char *argv[10];
+ int c;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--x";
+ argv[argc] = NULL;
+ optind = 1;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ c = get_next_option ();
+ ASSERT (c == '?');
+ ASSERT (optopt == 0);
+ }
+ {
+ int argc = 0;
+ const char *argv[10];
+ int c;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--xt";
+ argv[argc] = NULL;
+ optind = 1;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ c = get_next_option ();
+ ASSERT (c == '?');
+ ASSERT (optopt == 0);
+ }
+ {
+ int argc = 0;
+ const char *argv[10];
+ int c;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--xtr";
+ argv[argc] = NULL;
+ optind = 1;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ c = get_next_option ();
+ ASSERT (c == '?');
+ ASSERT (optopt == 0);
+ }
+ {
+ int argc = 0;
+ const char *argv[10];
+ int c;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--xtra";
+ argv[argc] = NULL;
+ optind = 1;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ c = get_next_option ();
+ ASSERT (c == 1001);
+ }
+ {
+ int argc = 0;
+ const char *argv[10];
+ int c;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--xtre";
+ argv[argc] = NULL;
+ optind = 1;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ c = get_next_option ();
+ ASSERT (c == '?');
+ ASSERT (optopt == 0);
+ }
+ {
+ int argc = 0;
+ const char *argv[10];
+ int c;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--xtrem";
+ argv[argc] = NULL;
+ optind = 1;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ c = get_next_option ();
+ ASSERT (c == '?');
+ ASSERT (optopt == 0);
+ }
+ {
+ int argc = 0;
+ const char *argv[10];
+ int c;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--xtreme";
+ argv[argc] = NULL;
+ optind = 1;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ c = get_next_option ();
+ ASSERT (c == 1002);
+ }
+ {
+ int argc = 0;
+ const char *argv[10];
+ int c;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--xtremel";
+ argv[argc] = NULL;
+ optind = 1;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ c = get_next_option ();
+ ASSERT (c == 1003);
+ }
+ {
+ int argc = 0;
+ const char *argv[10];
+ int c;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--xtremely";
+ argv[argc] = NULL;
+ optind = 1;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ c = get_next_option ();
+ ASSERT (c == 1003);
+ }
+ }
+
+ {
+ static const struct program_option options[] =
+ {
+ { "alpha", 'a', no_argument },
+ { "beta", 0, no_argument, &b_seen, 1 },
+ { "prune", 1000, required_argument },
+ { "quetsche", 0, required_argument, &q_seen, 1 },
+ { "xtremely-", 1003, no_argument },
+ { "xtra", 1001, no_argument },
+ { "xtreme", 1002, no_argument },
+ { "xtremely", 1003, no_argument },
+ { NULL, 'b', no_argument },
+ };
+
+ /* Test processing of boolean short options. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-a";
+ argv[argc++] = "foo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 2);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-b";
+ argv[argc++] = "-a";
+ argv[argc++] = "foo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 1);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 3);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-ba";
+ argv[argc++] = "foo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 1);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 2);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-ab";
+ argv[argc++] = "-a";
+ argv[argc++] = "foo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 2);
+ ASSERT (b_seen == 1);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 3);
+ }
+
+ /* Test processing of boolean long options. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--alpha";
+ argv[argc++] = "foo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 2);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--beta";
+ argv[argc++] = "--alpha";
+ argv[argc++] = "foo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 1);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 3);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--alpha";
+ argv[argc++] = "--beta";
+ argv[argc++] = "--alpha";
+ argv[argc++] = "--beta";
+ argv[argc++] = "foo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 2);
+ ASSERT (b_seen == 1);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 5);
+ }
+ }
+
+ {
+ static const struct program_option options[] =
+ {
+ { "alpha", 0, no_argument },
+ { "beta", 0, no_argument, &b_seen, 1 },
+ { "prune", 'p', required_argument },
+ { "quetsche", 0, required_argument, &q_seen, 1 },
+ { "xtremely-", 1003, no_argument },
+ { "xtra", 1001, no_argument },
+ { "xtreme", 1002, no_argument },
+ { "xtremely", 1003, no_argument },
+ { NULL, 'q', required_argument },
+ };
+ static const struct program_option options_with_ab[] =
+ {
+ { "alpha", 'a', no_argument },
+ { "beta", 0, no_argument, &b_seen, 1 },
+ { "prune", 'p', required_argument },
+ { "quetsche", 0, required_argument, &q_seen, 1 },
+ { "xtremely-", 1003, no_argument },
+ { "xtra", 1001, no_argument },
+ { "xtreme", 1002, no_argument },
+ { "xtremely", 1003, no_argument },
+ { NULL, 'q', required_argument },
+ { NULL, 'b', no_argument },
+ };
+
+ /* Test processing of short options with arguments. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-pfoo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value != NULL && strcmp (p_value, "foo") == 0);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 2);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-p";
+ argv[argc++] = "foo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value != NULL && strcmp (p_value, "foo") == 0);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 3);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-ab";
+ argv[argc++] = "-q";
+ argv[argc++] = "baz";
+ argv[argc++] = "-pfoo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options_with_ab, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 1);
+ ASSERT (p_value != NULL && strcmp (p_value, "foo") == 0);
+ ASSERT (q_value != NULL && strcmp (q_value, "baz") == 0);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 5);
+ }
+
+ /* Test processing of long options with arguments. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--p=foo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value != NULL && strcmp (p_value, "foo") == 0);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 2);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--p";
+ argv[argc++] = "foo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value != NULL && strcmp (p_value, "foo") == 0);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 3);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-ab";
+ argv[argc++] = "--q";
+ argv[argc++] = "baz";
+ argv[argc++] = "--p=foo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options_with_ab, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 1);
+ ASSERT (p_value != NULL && strcmp (p_value, "foo") == 0);
+ ASSERT (q_value != NULL && strcmp (q_value, "baz") == 0);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 5);
+ }
+ }
+
+ {
+ static const struct program_option options[] =
+ {
+ { "alpha", 0, no_argument },
+ { "beta", 0, no_argument, &b_seen, 1 },
+ { "prune", 'p', optional_argument },
+ { "quetsche", 0, optional_argument, &q_seen, 1 },
+ { NULL, 'q', optional_argument },
+ };
+ static const struct program_option options_with_ab[] =
+ {
+ { "alpha", 'a', no_argument },
+ { "beta", 0, no_argument, &b_seen, 1 },
+ { "prune", 'p', optional_argument },
+ { "quetsche", 0, optional_argument, &q_seen, 1 },
+ { NULL, 'q', optional_argument },
+ { NULL, 'b', no_argument },
+ };
+
+ /* Test processing of short options with optional arguments. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-pfoo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value != NULL && strcmp (p_value, "foo") == 0);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 2);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-p";
+ argv[argc++] = "foo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 2);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-p";
+ argv[argc++] = "-a";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options_with_ab, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 3);
+ }
+
+ /* Test processing of long options with optional arguments. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--p=foo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value != NULL && strcmp (p_value, "foo") == 0);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 2);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--p";
+ argv[argc++] = "foo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 2);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--p=";
+ argv[argc++] = "foo";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value != NULL && *p_value == '\0');
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 2);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "--p";
+ argv[argc++] = "-a";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options_with_ab, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 3);
+ }
+ }
+
+ {
+ static const struct program_option options[] =
+ {
+ { "alpha", 'a', no_argument },
+ { "beta", 0, no_argument, &b_seen, 1 },
+ { "prune", 'p', required_argument },
+ { "quetsche", 0, required_argument, &q_seen, 1 },
+ { "xtremely-", 1003, no_argument },
+ { "xtra", 1001, no_argument },
+ { "xtreme", 1002, no_argument },
+ { "xtremely", 1003, no_argument },
+ { NULL, 'q', required_argument },
+ { NULL, 'b', no_argument },
+ };
+
+ /* Check that invalid options are recognized. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-p";
+ argv[argc++] = "foo";
+ argv[argc++] = "-x";
+ argv[argc++] = "-a";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value != NULL && strcmp (p_value, "foo") == 0);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 'x');
+ ASSERT (optind == 5);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-p";
+ argv[argc++] = "foo";
+ argv[argc++] = "-:";
+ argv[argc++] = "-a";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value != NULL && strcmp (p_value, "foo") == 0);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == ':');
+ ASSERT (optind == 5);
+ }
+
+ /* Check that unexpected arguments are recognized. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-p";
+ argv[argc++] = "foo";
+ argv[argc++] = "--a=";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value != NULL && strcmp (p_value, "foo") == 0);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 'a');
+ ASSERT (optind == 4);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-p";
+ argv[argc++] = "foo";
+ argv[argc++] = "--b=";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value != NULL && strcmp (p_value, "foo") == 0);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ /* When flag is non-zero, glibc sets optopt anyway, but BSD
+ leaves optopt unchanged. */
+ ASSERT (unrecognized == 1 || unrecognized == 0);
+ ASSERT (optind == 4);
+ }
+
+ /* Check that by default, non-options arguments are moved to the end. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "donald";
+ argv[argc++] = "-p";
+ argv[argc++] = "billy";
+ argv[argc++] = "duck";
+ argv[argc++] = "-a";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (strcmp (argv[0], "program") == 0);
+ ASSERT (strcmp (argv[1], "-p") == 0);
+ ASSERT (strcmp (argv[2], "billy") == 0);
+ ASSERT (strcmp (argv[3], "-a") == 0);
+ ASSERT (strcmp (argv[4], "donald") == 0);
+ ASSERT (strcmp (argv[5], "duck") == 0);
+ ASSERT (strcmp (argv[6], "bar") == 0);
+ ASSERT (argv[7] == NULL);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value != NULL && strcmp (p_value, "billy") == 0);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 4);
+ }
+
+ /* Check that '--' ends the argument processing. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[20];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "donald";
+ argv[argc++] = "-p";
+ argv[argc++] = "billy";
+ argv[argc++] = "duck";
+ argv[argc++] = "-a";
+ argv[argc++] = "--";
+ argv[argc++] = "-b";
+ argv[argc++] = "foo";
+ argv[argc++] = "-q";
+ argv[argc++] = "johnny";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (strcmp (argv[0], "program") == 0);
+ ASSERT (strcmp (argv[1], "-p") == 0);
+ ASSERT (strcmp (argv[2], "billy") == 0);
+ ASSERT (strcmp (argv[3], "-a") == 0);
+ ASSERT (strcmp (argv[4], "--") == 0);
+ ASSERT (strcmp (argv[5], "donald") == 0);
+ ASSERT (strcmp (argv[6], "duck") == 0);
+ ASSERT (strcmp (argv[7], "-b") == 0);
+ ASSERT (strcmp (argv[8], "foo") == 0);
+ ASSERT (strcmp (argv[9], "-q") == 0);
+ ASSERT (strcmp (argv[10], "johnny") == 0);
+ ASSERT (strcmp (argv[11], "bar") == 0);
+ ASSERT (argv[12] == NULL);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value != NULL && strcmp (p_value, "billy") == 0);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 5);
+ }
+
+ /* Check that the PROCESS_NON_OPTIONS flag causes non-options to be
+ returned in order. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "donald";
+ argv[argc++] = "-p";
+ argv[argc++] = "billy";
+ argv[argc++] = "duck";
+ argv[argc++] = "-a";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, PROCESS_NON_OPTIONS, OPTIONS_ERRORS_SILENT);
+ options_loop (PROCESS_NON_OPTIONS, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (strcmp (argv[0], "program") == 0);
+ ASSERT (strcmp (argv[1], "donald") == 0);
+ ASSERT (strcmp (argv[2], "-p") == 0);
+ ASSERT (strcmp (argv[3], "billy") == 0);
+ ASSERT (strcmp (argv[4], "duck") == 0);
+ ASSERT (strcmp (argv[5], "-a") == 0);
+ ASSERT (strcmp (argv[6], "bar") == 0);
+ ASSERT (argv[7] == NULL);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value != NULL && strcmp (p_value, "billy") == 0);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 3);
+ ASSERT (strcmp (non_options[0], "donald") == 0);
+ ASSERT (strcmp (non_options[1], "duck") == 0);
+ ASSERT (strcmp (non_options[2], "bar") == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 7);
+ }
+
+ /* Check that '--' ends the argument processing. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[20];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "donald";
+ argv[argc++] = "-p";
+ argv[argc++] = "billy";
+ argv[argc++] = "duck";
+ argv[argc++] = "-a";
+ argv[argc++] = "--";
+ argv[argc++] = "-b";
+ argv[argc++] = "foo";
+ argv[argc++] = "-q";
+ argv[argc++] = "johnny";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, PROCESS_NON_OPTIONS, OPTIONS_ERRORS_SILENT);
+ options_loop (PROCESS_NON_OPTIONS, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (strcmp (argv[0], "program") == 0);
+ ASSERT (strcmp (argv[1], "donald") == 0);
+ ASSERT (strcmp (argv[2], "-p") == 0);
+ ASSERT (strcmp (argv[3], "billy") == 0);
+ ASSERT (strcmp (argv[4], "duck") == 0);
+ ASSERT (strcmp (argv[5], "-a") == 0);
+ ASSERT (strcmp (argv[6], "--") == 0);
+ ASSERT (strcmp (argv[7], "-b") == 0);
+ ASSERT (strcmp (argv[8], "foo") == 0);
+ ASSERT (strcmp (argv[9], "-q") == 0);
+ ASSERT (strcmp (argv[10], "johnny") == 0);
+ ASSERT (strcmp (argv[11], "bar") == 0);
+ ASSERT (argv[12] == NULL);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value != NULL && strcmp (p_value, "billy") == 0);
+ ASSERT (q_value == NULL);
+ if (non_options_count == 2)
+ {
+ /* glibc behaviour. */
+ ASSERT (non_options_count == 2);
+ ASSERT (strcmp (non_options[0], "donald") == 0);
+ ASSERT (strcmp (non_options[1], "duck") == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 7);
+ }
+ else
+ {
+ /* Another valid behaviour. */
+ ASSERT (non_options_count == 7);
+ ASSERT (strcmp (non_options[0], "donald") == 0);
+ ASSERT (strcmp (non_options[1], "duck") == 0);
+ ASSERT (strcmp (non_options[2], "-b") == 0);
+ ASSERT (strcmp (non_options[3], "foo") == 0);
+ ASSERT (strcmp (non_options[4], "-q") == 0);
+ ASSERT (strcmp (non_options[5], "johnny") == 0);
+ ASSERT (strcmp (non_options[6], "bar") == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 12);
+ }
+ }
+
+ /* Check that the NON_OPTION_TERMINATES_OPTIONS flag causes the first
+ non-option to terminate the loop. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "donald";
+ argv[argc++] = "-p";
+ argv[argc++] = "billy";
+ argv[argc++] = "duck";
+ argv[argc++] = "-a";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, NON_OPTION_TERMINATES_OPTIONS, OPTIONS_ERRORS_SILENT);
+ options_loop (NON_OPTION_TERMINATES_OPTIONS, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (strcmp (argv[0], "program") == 0);
+ ASSERT (strcmp (argv[1], "donald") == 0);
+ ASSERT (strcmp (argv[2], "-p") == 0);
+ ASSERT (strcmp (argv[3], "billy") == 0);
+ ASSERT (strcmp (argv[4], "duck") == 0);
+ ASSERT (strcmp (argv[5], "-a") == 0);
+ ASSERT (strcmp (argv[6], "bar") == 0);
+ ASSERT (argv[7] == NULL);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 1);
+ }
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-+";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, NON_OPTION_TERMINATES_OPTIONS, OPTIONS_ERRORS_SILENT);
+ options_loop (NON_OPTION_TERMINATES_OPTIONS, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == '+');
+ ASSERT (optind == 2);
+ }
+
+ /* Check that '--' ends the argument processing. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[20];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "donald";
+ argv[argc++] = "-p";
+ argv[argc++] = "billy";
+ argv[argc++] = "duck";
+ argv[argc++] = "-a";
+ argv[argc++] = "--";
+ argv[argc++] = "-b";
+ argv[argc++] = "foo";
+ argv[argc++] = "-q";
+ argv[argc++] = "johnny";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, NON_OPTION_TERMINATES_OPTIONS, OPTIONS_ERRORS_SILENT);
+ options_loop (NON_OPTION_TERMINATES_OPTIONS, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (strcmp (argv[0], "program") == 0);
+ ASSERT (strcmp (argv[1], "donald") == 0);
+ ASSERT (strcmp (argv[2], "-p") == 0);
+ ASSERT (strcmp (argv[3], "billy") == 0);
+ ASSERT (strcmp (argv[4], "duck") == 0);
+ ASSERT (strcmp (argv[5], "-a") == 0);
+ ASSERT (strcmp (argv[6], "--") == 0);
+ ASSERT (strcmp (argv[7], "-b") == 0);
+ ASSERT (strcmp (argv[8], "foo") == 0);
+ ASSERT (strcmp (argv[9], "-q") == 0);
+ ASSERT (strcmp (argv[10], "johnny") == 0);
+ ASSERT (strcmp (argv[11], "bar") == 0);
+ ASSERT (argv[12] == NULL);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 1);
+ }
+ }
+}
+
+/* Test behavior of getopt_long when POSIXLY_CORRECT is set in the
+ environment. Options with optional arguments should not change
+ behavior just because of an environment variable.
+ https://lists.gnu.org/r/bug-m4/2006-09/msg00028.html */
+static void
+test_getopt_long_posix (void)
+{
+ int start;
+
+ {
+ static const struct program_option options[] =
+ {
+ { "alpha", 'a', no_argument },
+ { "beta", 0, no_argument, &b_seen, 1 },
+ { "prune", 'p', required_argument },
+ { "quetsche", 0, required_argument, &q_seen, 1 },
+ { "xtremely-", 1003, no_argument },
+ { "xtra", 1001, no_argument },
+ { "xtreme", 1002, no_argument },
+ { "xtremely", 1003, no_argument },
+ { NULL, 'q', required_argument },
+ { NULL, 'b', no_argument },
+ };
+
+ /* Check that POSIXLY_CORRECT stops parsing the same as leading '+'. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "donald";
+ argv[argc++] = "-p";
+ argv[argc++] = "billy";
+ argv[argc++] = "duck";
+ argv[argc++] = "-a";
+ argv[argc++] = "bar";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (strcmp (argv[0], "program") == 0);
+ ASSERT (strcmp (argv[1], "donald") == 0);
+ ASSERT (strcmp (argv[2], "-p") == 0);
+ ASSERT (strcmp (argv[3], "billy") == 0);
+ ASSERT (strcmp (argv[4], "duck") == 0);
+ ASSERT (strcmp (argv[5], "-a") == 0);
+ ASSERT (strcmp (argv[6], "bar") == 0);
+ ASSERT (argv[7] == NULL);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 1);
+ }
+ }
+
+ {
+ static const struct program_option options[] =
+ {
+ { "alpha", 0, no_argument },
+ { "beta", 0, no_argument, &b_seen, 1 },
+ { "prune", 0, required_argument },
+ { "quetsche", 0, required_argument, &q_seen, 1 },
+ { "xtremely-", 1003, no_argument },
+ { "xtra", 1001, no_argument },
+ { "xtreme", 1002, no_argument },
+ { "xtremely", 1003, no_argument },
+ { NULL, 'p', optional_argument },
+ };
+
+ /* Check that POSIXLY_CORRECT doesn't change optional arguments. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-p";
+ argv[argc++] = "billy";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT);
+ options_loop (MOVE_OPTIONS_FIRST, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 2);
+ }
+ }
+
+ {
+ static const struct program_option options[] =
+ {
+ { "alpha", 'a', no_argument },
+ { "beta", 0, no_argument, &b_seen, 1 },
+ { "prune", 0, required_argument },
+ { "quetsche", 0, required_argument, &q_seen, 1 },
+ { "xtremely-", 1003, no_argument },
+ { "xtra", 1001, no_argument },
+ { "xtreme", 1002, no_argument },
+ { "xtremely", 1003, no_argument },
+ { NULL, 'b', no_argument },
+ };
+
+ /* Check that leading - still sees options after non-options. */
+ for (start = 0; start <= 1; start++)
+ {
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ int argc = 0;
+ const char *argv[10];
+ a_seen = 0;
+ b_seen = 0;
+
+ argv[argc++] = "program";
+ argv[argc++] = "-a";
+ argv[argc++] = "billy";
+ argv[argc++] = "-b";
+ argv[argc] = NULL;
+ optind = start;
+ start_options (argc, (char **) argv, options, PROCESS_NON_OPTIONS, OPTIONS_ERRORS_SILENT);
+ options_loop (PROCESS_NON_OPTIONS, OPTIONS_ERRORS_SILENT,
+ &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized);
+ ASSERT (a_seen == 1);
+ ASSERT (b_seen == 1);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 1);
+ ASSERT (strcmp (non_options[0], "billy") == 0);
+ ASSERT (unrecognized == 0);
+ ASSERT (optind == 4);
+ }
+ }
+}
+
+int
+main ()
+{
+ setenv ("POSIXLY_CORRECT", "1", 1);
+
+ test_getopt_long_posix ();
+
+ unsetenv ("POSIXLY_CORRECT");
+
+ test_getopt_long ();
+
+ return test_exit_status;
+}