libbb: do not open-code __errno_location() call
Thanks dalias!
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/appletlib.c b/libbb/appletlib.c
index 717c636..5f59f12 100644
--- a/libbb/appletlib.c
+++ b/libbb/appletlib.c
@@ -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 @@
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;