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>

1 files changed, 6 insertions, 2 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 921367be5..28a8bb60c 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -4989,9 +4989,13 @@ noclobberopen(const char *fname)
          * revealed that it was a regular file, and the file has not been
          * replaced, return the file descriptor.
          */
-        if (fstat(fd, &finfo2) == 0 && !S_ISREG(finfo2.st_mode)
-         && finfo.st_dev == finfo2.st_dev && finfo.st_ino == finfo2.st_ino)
+        if (fstat(fd, &finfo2) == 0
+         && !S_ISREG(finfo2.st_mode)
+         && finfo.st_dev == finfo2.st_dev
+         && finfo.st_ino == finfo2.st_ino
+        ) {
                 return fd;
+        }
 
         /* The file has been replaced.  badness. */
         close(fd);