1#include "pwf.h"
 2#include <pthread.h>
 3
 4#define FIX(x) (pw->pw_##x = pw->pw_##x-line+buf)
 5
 6static int getpw_r(const char *name, uid_t uid, struct passwd *pw, char *buf, size_t size, struct passwd **res)
 7{
 8	char *line = 0;
 9	size_t len = 0;
10	int rv = 0;
11	int cs;
12
13	pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
14
15	rv = __getpw_a(name, uid, pw, &line, &len, res);
16	if (*res && size < len) {
17		*res = 0;
18		rv = ERANGE;
19	}
20	if (*res) {
21		memcpy(buf, line, len);
22		FIX(name);
23		FIX(passwd);
24		FIX(gecos);
25		FIX(dir);
26		FIX(shell);
27	}
28 	free(line);
29	pthread_setcancelstate(cs, 0);
30	if (rv) errno = rv;
31	return rv;
32}
33
34int getpwnam_r(const char *name, struct passwd *pw, char *buf, size_t size, struct passwd **res)
35{
36	return getpw_r(name, 0, pw, buf, size, res);
37}
38
39int getpwuid_r(uid_t uid, struct passwd *pw, char *buf, size_t size, struct passwd **res)
40{
41	return getpw_r(0, uid, pw, buf, size, res);
42}