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
|
/*
* Example of how an application can allow free-form key=value strings as settings,
* e.g., custom environment variables the program should set for child processes.
*
* env.conf:
* env {
* foo = bar
* baz = foo
* }
*/
#include <err.h>
#include <confuse.h>
#include <stdio.h>
int main(int argc, char *argv[])
{
const char *file = "env.conf";
cfg_opt_t opts[] = {
CFG_SEC("env", NULL, CFGF_KEYSTRVAL),
CFG_END()
};
cfg_t *cfg, *sec;
int rc;
if (argc > 1)
file = argv[1];
cfg = cfg_init(opts, 0);
if (!cfg)
err(1, "Failed cfg_init()");
rc = cfg_parse(cfg, file);
if (rc != CFG_SUCCESS) {
if (rc == CFG_FILE_ERROR)
err(1, "Failed opening %s", file);
errx(1, "Failed parsing %s", file);
}
sec = cfg_getsec(cfg, "env");
if (sec) {
unsigned int i;
for (i = 0; i < cfg_num(sec); i++) {
cfg_opt_t *opt = cfg_getnopt(sec, i);
printf("%s = \"%s\"\n", cfg_opt_name(opt), cfg_opt_getstr(opt));
}
}
// cfg_print(cfg, stdout);
cfg_free(cfg);
return 0;
}
|
