libbb: add xfstat function
function old new delta
xfstat - 25 +25
mkfs_ext2_main 2421 2423 +2
mkfs_reiser_main 1197 1194 -3
next 312 307 -5
ar_main 533 522 -11
mkfs_minix_main 2938 2924 -14
mkfs_vfat_main 1511 1495 -16
writeTarFile 272 255 -17
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/6 up/down: 27/-66) Total: -39 bytes
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
diff --git a/libbb/update_passwd.c b/libbb/update_passwd.c
index e050dfc..a2be0f1 100644
--- a/libbb/update_passwd.c
+++ b/libbb/update_passwd.c
@@ -133,7 +133,7 @@
goto close_old_fp;
created:
- if (!fstat(old_fd, &sb)) {
+ if (fstat(old_fd, &sb) == 0) {
fchmod(new_fd, sb.st_mode & 0777); /* ignore errors */
fchown(new_fd, sb.st_uid, sb.st_gid);
}