[lib/Headers] Define NULL as __DARWIN_NULL when on __APPLE__.

This makes it identical with the system definition. llvm-svn: 178110
2013-03-27 01:25:37 +00:00 · 2013-03-27 01:25:37 +00:00 · 0909d3c5ed
parent 3a9c42c423
commit 0909d3c5ed
1 changed files with 3 additions and 1 deletions
--- a/clang/lib/Headers/stddef.h
+++ b/clang/lib/Headers/stddef.h
@ -53,7 +53,9 @@ typedef __WCHAR_TYPE__ wchar_t;
 #endif

 #undef NULL
-#ifdef __cplusplus
+#if defined(__APPLE__) && defined(__DARWIN_NULL)
+#  define NULL __DARWIN_NULL
+#elif defined(__cplusplus)
 #  if !defined(__MINGW32__) && !defined(_MSC_VER)
 #    define NULL __null
 #  else