aboutsummaryrefslogtreecommitdiffstats
path: root/libfonts_gethome__.c
blob: f05dbfb48fd6cec7f6b7f7c333052f79df36d7c2 (plain) (blame)
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
/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST


char *
libfonts_gethome__(struct libfonts_context *ctx)
{
	uid_t uid = (ctx && ctx->use_context_uid) ? ctx->uid : getuid();
	size_t size = 512;
	char *buf = NULL, *new;
	char *ret = NULL;
	struct passwd pw, *pwp;
	int err;

	goto beginning;

	do {
		if (size > SIZE_MAX / 2)
			goto enomem;
		size *= 2;
	beginning:
		new = realloc(buf, size);
		if (!new) {
		enomem:
			free(buf);
			errno = ENOMEM;
			return NULL;
		}
		buf = new;
	} while ((err = getpwuid_r(uid, &pw, buf, size, &pwp)) == ERANGE);
	if (err) {
		free(buf);
		return NULL;
	}

	if (pwp && pwp->pw_dir)
		ret = strdup(pwp->pw_dir);
	free(buf);
	return ret;
}


#else


int
main(void)
{
	return 0; /* TODO add test */
}


#endif