fix reversed argument order x86_64 sigsetjmp's call to sigprocmask

[musl] / include / stddef.h

diff --git a/include/stddef.h b/include/stddef.h
index dbf5a4a..9d52248 100644 (file)
--- a/include/stddef.h
+++ b/include/stddef.h
@@ -1,12 +1,7 @@
 #ifndef _STDDEF_H
 #define _STDDEF_H
 
-#undef NULL
-#ifdef __cplusplus
-#define NULL 0
-#else
-#define NULL ((void*)0)
-#endif
+#define NULL 0L
 
 #define __NEED_ptrdiff_t
 #define __NEED_size_t
@@ -14,6 +9,10 @@
 
 #include <bits/alltypes.h>
 
+#if __GNUC__ > 3
+#define offsetof(type, member) __builtin_offsetof(type, member)
+#else
 #define offsetof(type, member) ((size_t)( (char *)&(((type *)0)->member) - (char *)0 ))
+#endif
 
 #endif