static int boolean = 0;
static int integer = 0;
+static unsigned long timestamp;
+static int abbrev = 7;
+static int verbose = 0, dry_run = 0, quiet = 0;
static char *string = NULL;
+int length_callback(const struct option *opt, const char *arg, int unset)
+{
+ printf("Callback: \"%s\", %d\n",
+ (arg ? arg : "not set"), unset);
+ if (unset)
+ return 1; /* do not support unset */
+
+ *(int *)opt->value = strlen(arg);
+ return 0;
+}
+
int main(int argc, const char **argv)
{
const char *usage[] = {
};
struct option options[] = {
OPT_BOOLEAN('b', "boolean", &boolean, "get a boolean"),
+ OPT_BIT('4', "or4", &boolean,
+ "bitwise-or boolean with ...0100", 4),
+ OPT_GROUP(""),
OPT_INTEGER('i', "integer", &integer, "get a integer"),
OPT_INTEGER('j', NULL, &integer, "get a integer, too"),
- OPT_GROUP("string options"),
+ 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_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_SET_PTR(0, "default-string", &string,
+ "set string to default", (unsigned long)"default"),
+ OPT_GROUP("Magic arguments"),
OPT_ARGUMENT("quux", "means --quux"),
+ 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, options, usage, 0);
printf("boolean: %d\n", boolean);
- printf("integer: %d\n", integer);
+ 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");
for (i = 0; i < argc; i++)
printf("arg %02d: %s\n", i, argv[i]);