if (!buf) {
__set_errno(EINVAL);
} else if (!__getpwuid_r(uid, &resultbuf, buffer, sizeof(buffer), &result)) {
- if (sprintf(buf, "%s:%s:%lu:%lu:%s:%s:%s\n",
+ if (__sprintf(buf, "%s:%s:%lu:%lu:%s:%s:%s\n",
resultbuf.pw_name, resultbuf.pw_passwd,
(unsigned long)(resultbuf.pw_uid),
(unsigned long)(resultbuf.pw_gid),