2 #include "parse-options.h"
4 static int boolean = 0;
5 static int integer = 0;
6 static unsigned long timestamp;
8 static int verbose = 0, dry_run = 0, quiet = 0;
9 static char *string = NULL;
10 static char *file = NULL;
12 static int length_callback(const struct option *opt, const char *arg, int unset)
14 printf("Callback: \"%s\", %d\n",
15 (arg ? arg : "not set"), unset);
17 return 1; /* do not support unset */
19 *(int *)opt->value = strlen(arg);
23 static int number_callback(const struct option *opt, const char *arg, int unset)
25 *(int *)opt->value = strtol(arg, NULL, 10);
29 int main(int argc, const char **argv)
31 const char *prefix = "prefix/";
32 const char *usage[] = {
33 "test-parse-options <options>",
36 struct option options[] = {
37 OPT_BOOLEAN('b', "boolean", &boolean, "get a boolean"),
38 OPT_BIT('4', "or4", &boolean,
39 "bitwise-or boolean with ...0100", 4),
40 OPT_NEGBIT(0, "neg-or4", &boolean, "same as --no-or4", 4),
42 OPT_INTEGER('i', "integer", &integer, "get a integer"),
43 OPT_INTEGER('j', NULL, &integer, "get a integer, too"),
44 OPT_SET_INT(0, "set23", &integer, "set integer to 23", 23),
45 OPT_DATE('t', NULL, ×tamp, "get timestamp of <time>"),
46 OPT_CALLBACK('L', "length", &integer, "str",
47 "get length of <str>", length_callback),
48 OPT_FILENAME('F', "file", &file, "set file to <FILE>"),
49 OPT_GROUP("String options"),
50 OPT_STRING('s', "string", &string, "string", "get a string"),
51 OPT_STRING(0, "string2", &string, "str", "get another string"),
52 OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"),
53 OPT_STRING('o', NULL, &string, "str", "get another string"),
54 OPT_SET_PTR(0, "default-string", &string,
55 "set string to default", (unsigned long)"default"),
56 OPT_GROUP("Magic arguments"),
57 OPT_ARGUMENT("quux", "means --quux"),
58 OPT_NUMBER_CALLBACK(&integer, "set integer to NUM",
60 { OPTION_BOOLEAN, '+', NULL, &boolean, NULL, "same as -b",
61 PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH },
62 OPT_GROUP("Standard options"),
64 OPT__VERBOSE(&verbose),
65 OPT__DRY_RUN(&dry_run),
71 argc = parse_options(argc, argv, prefix, options, usage, 0);
73 printf("boolean: %d\n", boolean);
74 printf("integer: %u\n", integer);
75 printf("timestamp: %lu\n", timestamp);
76 printf("string: %s\n", string ? string : "(not set)");
77 printf("abbrev: %d\n", abbrev);
78 printf("verbose: %d\n", verbose);
79 printf("quiet: %s\n", quiet ? "yes" : "no");
80 printf("dry run: %s\n", dry_run ? "yes" : "no");
81 printf("file: %s\n", file ? file : "(not set)");
83 for (i = 0; i < argc; i++)
84 printf("arg %02d: %s\n", i, argv[i]);