1#include "pwf.h"
2#include <pthread.h>
3
4static unsigned atou(char **s)
5{
6	unsigned x;
7	for (x=0; **s-'0'<10U; ++*s) x=10*x+(**s-'0');
8	return x;
9}
10
11int __getpwent_a(FILE *f, struct passwd *pw, char **line, size_t *size, struct passwd **res)
12{
13	ssize_t l;
14	char *s;
15	int rv = 0;
16	int cs;
17	pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
18	for (;;) {
19		if ((l=getline(line, size, f)) < 0) {
20			rv = ferror(f) ? errno : 0;
21			free(*line);
22			*line = 0;
23			pw = 0;
24			break;
25		}
26		line[0][l-1] = 0;
27
28		s = line[0];
29		pw->pw_name = s++;
30		if (!(s = strchr(s, ':'))) continue;
31
32		*s++ = 0; pw->pw_passwd = s;
33		if (!(s = strchr(s, ':'))) continue;
34
35		*s++ = 0; pw->pw_uid = atou(&s);
36		if (*s != ':') continue;
37
38		*s++ = 0; pw->pw_gid = atou(&s);
39		if (*s != ':') continue;
40
41		*s++ = 0; pw->pw_gecos = s;
42		if (!(s = strchr(s, ':'))) continue;
43
44		*s++ = 0; pw->pw_dir = s;
45		if (!(s = strchr(s, ':'))) continue;
46
47		*s++ = 0; pw->pw_shell = s;
48		break;
49	}
50	pthread_setcancelstate(cs, 0);
51	*res = pw;
52	if (rv) errno = rv;
53	return rv;
54}
55