61 lines · c
1// RUN: %clang %s -o %t && %run %t -o baz2 3// argp_parse is glibc specific.4// UNSUPPORTED: android, target={{.*(freebsd|netbsd).*}}5 6#include <argp.h>7#include <assert.h>8#include <stdlib.h>9#include <string.h>10 11struct test {12 const char *option_value;13};14 15static const struct argp_option options[] = {16 {"option", 'o', "OPTION", 0, "Option", 0},17 {NULL, 0, NULL, 0, NULL, 0},18};19 20static error_t parser(int key, char *arg, struct argp_state *state) {21 if (key == 'o') {22 ((struct test *)(state->input))->option_value = arg;23 return 0;24 }25 return ARGP_ERR_UNKNOWN;26}27 28static struct argp argp = {.options = options, .parser = parser};29 30void test_nulls(char *argv0) {31 char *argv[] = {argv0, NULL};32 int res = argp_parse(NULL, 1, argv, 0, NULL, NULL);33 assert(res == 0);34}35 36void test_synthetic(char *argv0) {37 char *argv[] = {argv0, "-o", "foo", "bar", NULL};38 struct test t = {NULL};39 int arg_index;40 int res = argp_parse(&argp, 4, argv, 0, &arg_index, &t);41 assert(res == 0);42 assert(arg_index == 3);43 assert(strcmp(t.option_value, "foo") == 0);44}45 46void test_real(int argc, char **argv) {47 struct test t = {NULL};48 int arg_index;49 int res = argp_parse(&argp, argc, argv, 0, &arg_index, &t);50 assert(res == 0);51 assert(arg_index == 3);52 assert(strcmp(t.option_value, "baz") == 0);53}54 55int main(int argc, char **argv) {56 test_nulls(argv[0]);57 test_synthetic(argv[0]);58 test_real(argc, argv);59 return EXIT_SUCCESS;60}61