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libbb: do not open-code __errno_location() call

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Thanks dalias!

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2020-10-01 01:44:26 +02:00
parent 841878e7ee
commit aaa0709e7b
1 changed files with 6 additions and 1 deletions
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7
libbb/appletlib.c
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@ -25,6 +25,11 @@
*
* FEATURE_INSTALLER or FEATURE_SUID will still link printf routines in. :(
*/
/* Define this accessor before we #define "errno" our way */
#include <errno.h>
static inline int *get_perrno(void) { return &errno; }
#include "busybox.h"
#if !(defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) \
@ -304,7 +309,7 @@ void lbb_prepare(const char *applet
IF_FEATURE_INDIVIDUAL(, char **argv))
{
#ifdef bb_cached_errno_ptr
(*(int **)not_const_pp(&bb_errno)) = __errno_location();
(*(int **)not_const_pp(&bb_errno)) = get_perrno();
barrier();
#endif
applet_name = applet;