int main(int argc, const char **argv) { const char *usage[] = { "test-parse-options <options>", NULL }; struct option options[] = { OPT_BOOLEAN('b', "boolean", &boolean, "get a boolean"), OPT_INTEGER('i', "integer", &integer, "get a integer"), OPT_INTEGER('j', NULL, &integer, "get a integer, too"), OPT_GROUP("string options"), OPT_STRING('s', "string", &string, "string", "get a string"), OPT_STRING(0, "string2", &string, "str", "get another string"), OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"), OPT_STRING('o', NULL, &string, "str", "get another string"), OPT_GROUP("magic arguments"), OPT_ARGUMENT("quux", "means --quux"), OPT_END(), }; int i; argc = parse_options(argc, argv, options, usage, 0); printf("boolean: %d\n", boolean); printf("integer: %d\n", integer); printf("string: %s\n", string ? string : "(not set)"); for (i = 0; i < argc; i++) printf("arg %02d: %s\n", i, argv[i]); return 0; }
int main(int argc, const char **argv) { const char *prefix = "prefix/"; const char *usage[] = { "test-parse-options <options>", NULL }; struct option options[] = { OPT_BOOLEAN('b', "boolean", &boolean, "get a boolean"), OPT_BIT('4', "or4", &boolean, "bitwise-or boolean with ...0100", 4), OPT_NEGBIT(0, "neg-or4", &boolean, "same as --no-or4", 4), OPT_GROUP(""), OPT_INTEGER('i', "integer", &integer, "get a integer"), OPT_INTEGER('j', NULL, &integer, "get a integer, too"), OPT_SET_INT(0, "set23", &integer, "set integer to 23", 23), OPT_DATE('t', NULL, ×tamp, "get timestamp of <time>"), OPT_CALLBACK('L', "length", &integer, "str", "get length of <str>", length_callback), OPT_FILENAME('F', "file", &file, "set file to <FILE>"), OPT_GROUP("String options"), OPT_STRING('s', "string", &string, "string", "get a string"), OPT_STRING(0, "string2", &string, "str", "get another string"), OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"), OPT_STRING('o', NULL, &string, "str", "get another string"), OPT_SET_PTR(0, "default-string", &string, "set string to default", (unsigned long)"default"), OPT_GROUP("Magic arguments"), OPT_ARGUMENT("quux", "means --quux"), OPT_NUMBER_CALLBACK(&integer, "set integer to NUM", number_callback), { OPTION_BOOLEAN, '+', NULL, &boolean, NULL, "same as -b", PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH }, OPT_GROUP("Standard options"), OPT__ABBREV(&abbrev), OPT__VERBOSE(&verbose), OPT__DRY_RUN(&dry_run), OPT__QUIET(&quiet), OPT_END(), }; int i; argc = parse_options(argc, argv, prefix, options, usage, 0); printf("boolean: %d\n", boolean); printf("integer: %u\n", integer); printf("timestamp: %lu\n", timestamp); printf("string: %s\n", string ? string : "(not set)"); printf("abbrev: %d\n", abbrev); printf("verbose: %d\n", verbose); printf("quiet: %s\n", quiet ? "yes" : "no"); printf("dry run: %s\n", dry_run ? "yes" : "no"); printf("file: %s\n", file ? file : "(not set)"); for (i = 0; i < argc; i++) printf("arg %02d: %s\n", i, argv[i]); return 0; }
int main(int argc, char **argv) { const char *prefix = "prefix/"; const char *usage[] = { "test-parse-options <options>", NULL }; struct string_list expect = STRING_LIST_INIT_NODUP; struct option options[] = { OPT_BOOL(0, "yes", &boolean, "get a boolean"), OPT_BOOL('D', "no-doubt", &boolean, "begins with 'no-'"), { OPTION_SET_INT, 'B', "no-fear", &boolean, NULL, "be brave", PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 }, OPT_COUNTUP('b', "boolean", &boolean, "increment by one"), OPT_BIT('4', "or4", &boolean, "bitwise-or boolean with ...0100", 4), OPT_NEGBIT(0, "neg-or4", &boolean, "same as --no-or4", 4), OPT_GROUP(""), OPT_INTEGER('i', "integer", &integer, "get a integer"), OPT_INTEGER('j', NULL, &integer, "get a integer, too"), OPT_MAGNITUDE('m', "magnitude", &magnitude, "get a magnitude"), OPT_SET_INT(0, "set23", &integer, "set integer to 23", 23), OPT_DATE('t', NULL, ×tamp, "get timestamp of <time>"), OPT_CALLBACK('L', "length", &integer, "str", "get length of <str>", length_callback), OPT_FILENAME('F', "file", &file, "set file to <file>"), OPT_GROUP("String options"), OPT_STRING('s', "string", &string, "string", "get a string"), OPT_STRING(0, "string2", &string, "str", "get another string"), OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"), OPT_STRING('o', NULL, &string, "str", "get another string"), OPT_NOOP_NOARG(0, "obsolete"), OPT_STRING_LIST(0, "list", &list, "str", "add str to list"), OPT_GROUP("Magic arguments"), OPT_ARGUMENT("quux", "means --quux"), OPT_NUMBER_CALLBACK(&integer, "set integer to NUM", number_callback), { OPTION_COUNTUP, '+', NULL, &boolean, NULL, "same as -b", PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH }, { OPTION_COUNTUP, 0, "ambiguous", &ambiguous, NULL, "positive ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG }, { OPTION_COUNTUP, 0, "no-ambiguous", &ambiguous, NULL, "negative ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG }, OPT_GROUP("Standard options"), OPT__ABBREV(&abbrev), OPT__VERBOSE(&verbose, "be verbose"), OPT__DRY_RUN(&dry_run, "dry run"), OPT__QUIET(&quiet, "be quiet"), OPT_CALLBACK(0, "expect", &expect, "string", "expected output in the variable dump", collect_expect), OPT_END(), }; int i; int ret = 0; argc = parse_options(argc, (const char **)argv, prefix, options, usage, 0); if (length_cb.called) { const char *arg = length_cb.arg; int unset = length_cb.unset; show(&expect, &ret, "Callback: \"%s\", %d", (arg ? arg : "not set"), unset); } show(&expect, &ret, "boolean: %d", boolean); show(&expect, &ret, "integer: %d", integer); show(&expect, &ret, "magnitude: %lu", magnitude); show(&expect, &ret, "timestamp: %lu", timestamp); show(&expect, &ret, "string: %s", string ? string : "(not set)"); show(&expect, &ret, "abbrev: %d", abbrev); show(&expect, &ret, "verbose: %d", verbose); show(&expect, &ret, "quiet: %d", quiet); show(&expect, &ret, "dry run: %s", dry_run ? "yes" : "no"); show(&expect, &ret, "file: %s", file ? file : "(not set)"); for (i = 0; i < list.nr; i++) show(&expect, &ret, "list: %s", list.items[i].string); for (i = 0; i < argc; i++) show(&expect, &ret, "arg %02d: %s", i, argv[i]); return ret; }
static void commit_pager_choice(void) { switch (use_pager) { case 0: setenv(PERF_PAGER_ENVIRONMENT, "cat", 1); break; case 1: /* setup_pager(); */ break; default: break; } } struct option options[] = { OPT_ARGUMENT("help", "help"), OPT_ARGUMENT("version", "version"), OPT_ARGUMENT("exec-path", "exec-path"), OPT_ARGUMENT("html-path", "html-path"), OPT_ARGUMENT("paginate", "paginate"), OPT_ARGUMENT("no-pager", "no-pager"), OPT_ARGUMENT("debugfs-dir", "debugfs-dir"), OPT_ARGUMENT("buildid-dir", "buildid-dir"), OPT_ARGUMENT("list-cmds", "list-cmds"), OPT_ARGUMENT("list-opts", "list-opts"), OPT_ARGUMENT("debug", "debug"), OPT_END() }; static int handle_options(const char ***argv, int *argc, int *envchanged) {