1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
// RUN: %clang %s -o %t && %run %t -o baz
// argp_parse is glibc specific.
// UNSUPPORTED: android, target={{.*(freebsd|netbsd).*}}
#include <argp.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
struct test {
const char *option_value;
};
static const struct argp_option options[] = {
{"option", 'o', "OPTION", 0, "Option", 0},
{NULL, 0, NULL, 0, NULL, 0},
};
static error_t parser(int key, char *arg, struct argp_state *state) {
if (key == 'o') {
((struct test *)(state->input))->option_value = arg;
return 0;
}
return ARGP_ERR_UNKNOWN;
}
static struct argp argp = {.options = options, .parser = parser};
void test_nulls(char *argv0) {
char *argv[] = {argv0, NULL};
int res = argp_parse(NULL, 1, argv, 0, NULL, NULL);
assert(res == 0);
}
void test_synthetic(char *argv0) {
char *argv[] = {argv0, "-o", "foo", "bar", NULL};
struct test t = {NULL};
int arg_index;
int res = argp_parse(&argp, 4, argv, 0, &arg_index, &t);
assert(res == 0);
assert(arg_index == 3);
assert(strcmp(t.option_value, "foo") == 0);
}
void test_real(int argc, char **argv) {
struct test t = {NULL};
int arg_index;
int res = argp_parse(&argp, argc, argv, 0, &arg_index, &t);
assert(res == 0);
assert(arg_index == 3);
assert(strcmp(t.option_value, "baz") == 0);
}
int main(int argc, char **argv) {
test_nulls(argv[0]);
test_synthetic(argv[0]);
test_real(argc, argv);
return EXIT_SUCCESS;
}
|
