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/include/libbb.h b/include/libbb.h
index 43e525c..6fb0438 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -411,6 +411,7 @@
void bb_unsetenv_and_free(char *key) FAST_FUNC;
void xunlink(const char *pathname) FAST_FUNC;
void xstat(const char *pathname, struct stat *buf) FAST_FUNC;
+void xfstat(int fd, struct stat *buf, const char *errmsg) FAST_FUNC;
int xopen(const char *pathname, int flags) FAST_FUNC;
int xopen_nonblocking(const char *pathname) FAST_FUNC;
int xopen3(const char *pathname, int flags, int mode) FAST_FUNC;