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libbb: add xfstat function

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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>
This commit is contained in:
Denys Vlasenko
2010-08-31 12:42:06 +02:00
parent 4e7dd3c363
commit 8d3e225a2d
13 changed files with 29 additions and 21 deletions
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10
libbb/xfuncs_printf.c
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@ -436,6 +436,16 @@ void FAST_FUNC xstat(const char *name, struct stat *stat_buf)
bb_perror_msg_and_die("can't stat '%s'", name);
}
void FAST_FUNC xfstat(int fd, struct stat *stat_buf, const char *errmsg)
{
/* errmsg is usually a file name, but not always:
* xfstat may be called in a spot where file name is no longer
* available, and caller may give e.g. "can't stat input file" string.
*/
if (fstat(fd, stat_buf))
bb_simple_perror_msg_and_die(errmsg);
}
// selinux_or_die() - die if SELinux is disabled.
void FAST_FUNC selinux_or_die(void)
{