runsvd: shrink by Vladimir

[oweals/busybox.git] / libbb / change_identity.c

diff --git a/libbb/change_identity.c b/libbb/change_identity.c
index f19aa8aaa23d22b09eae0287393d5bfcf550aba6..619db09a85e211e2c543e72d08cbdd3d66cbe431 100644 (file)
--- a/libbb/change_identity.c
+++ b/libbb/change_identity.c
@@ -31,11 +31,11 @@
 #include "libbb.h"
 
 /* Become the user and group(s) specified by PW.  */
-void change_identity(const struct passwd *pw)
+void FAST_FUNC change_identity(const struct passwd *pw)
 {
        if (initgroups(pw->pw_name, pw->pw_gid) == -1)
                bb_perror_msg_and_die("can't set groups");
-       endgrent(); /* ?? */
+       endgrent(); /* helps to close a fd used internally by libc */
        xsetgid(pw->pw_gid);
        xsetuid(pw->pw_uid);
 }