+#if GNULIB_TEST_GETOPT_GNU
+ /* If GNU extensions are supported, require compliance with POSIX
+ interpretation on leading '+' behavior.
+ http://austingroupbugs.net/view.php?id=191 */
+ for (start = OPTIND_MIN; start <= 1; start++)
+ {
+ int a_seen = 0;
+ int b_seen = 0;
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ bool output;
+ int argc = 0;
+ const char *argv[10];
+
+ 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;
+ opterr = 1;
+ getopt_loop (argc, argv, "+:abp:q:",
+ &a_seen, &b_seen, &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized, &output);
+ 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);
+ ASSERT (!output);
+ }
+ for (start = OPTIND_MIN; start <= 1; start++)
+ {
+ int a_seen = 0;
+ int b_seen = 0;
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ bool output;
+ int argc = 0;
+ const char *argv[10];
+
+ argv[argc++] = "program";
+ argv[argc++] = "-p";
+ argv[argc] = NULL;
+ optind = start;
+ getopt_loop (argc, argv, "+:abp:q:",
+ &a_seen, &b_seen, &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized, &output);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 0);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 'p');
+ ASSERT (optind == 2);
+ ASSERT (!output);
+ }
+ for (start = OPTIND_MIN; start <= 1; start++)
+ {
+ int a_seen = 0;
+ int b_seen = 0;
+ const char *p_value = NULL;
+ const char *q_value = NULL;
+ int non_options_count = 0;
+ const char *non_options[10];
+ int unrecognized = 0;
+ bool output;
+ int argc = 0;
+ const char *argv[10];
+
+ argv[argc++] = "program";
+ argv[argc++] = "-b";
+ argv[argc++] = "-p";
+ argv[argc] = NULL;
+ optind = start;
+ getopt_loop (argc, argv, "+:abp:q:",
+ &a_seen, &b_seen, &p_value, &q_value,
+ &non_options_count, non_options, &unrecognized, &output);
+ ASSERT (a_seen == 0);
+ ASSERT (b_seen == 1);
+ ASSERT (p_value == NULL);
+ ASSERT (q_value == NULL);
+ ASSERT (non_options_count == 0);
+ ASSERT (unrecognized == 'p');
+ ASSERT (optind == 3);
+ ASSERT (!output);
+ }
+#endif /* GNULIB_TEST_GETOPT_GNU */