#include "libbb.h"
-
/* Become the user and group(s) specified by PW. */
-const char *change_identity_e2str(const struct passwd *pw)
+void FAST_FUNC change_identity(const struct passwd *pw)
{
if (initgroups(pw->pw_name, pw->pw_gid) == -1)
- return "cannot set groups";
- endgrent(); /* ?? */
+ bb_perror_msg_and_die("can't set groups");
+ endgrent(); /* helps to close a fd used internally by libc */
xsetgid(pw->pw_gid);
xsetuid(pw->pw_uid);
- return NULL;
-}
-
-void change_identity(const struct passwd *pw)
-{
- const char *err_msg = change_identity_e2str(pw);
-
- if (err_msg)
- bb_perror_msg_and_die("%s", err_msg);
}