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}