Copy swab in stdlib.h declaration to unistd.h

git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@4162 4407c894-4637-0410-b4f5-ada5f102cad1

mingw-w64-headers/crt/ChangeLog

diff --git a/mingw-w64-headers/crt/ChangeLog b/mingw-w64-headers/crt/ChangeLog
index 68ea2b6..725b5a7 100644
--- a/mingw-w64-headers/crt/ChangeLog
+++ b/mingw-w64-headers/crt/ChangeLog
@@ -1,3 +1,9 @@
+2011-05-05  Jonathan Yong  <jon_y@users.sourceforge.net>
+
+	* stdlib.h (swab): Use define guards.
+	* unistd.h (swab): Copy from stdlib.h as per POSIX spec.
+
+
 2011-03-25  Kai Tietz  <ktietz70@googlemail.com>
 
 	* string.h, memory.h: Add mempcpy prototype.

mingw-w64-headers/crt/stdlib.h

diff --git a/mingw-w64-headers/crt/stdlib.h b/mingw-w64-headers/crt/stdlib.h
index 6badc00..d0dec16 100644
--- a/mingw-w64-headers/crt/stdlib.h
+++ b/mingw-w64-headers/crt/stdlib.h
@@ -582,7 +582,12 @@
   char *__cdecl itoa(int _Val,char *_DstBuf,int _Radix) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
   char *__cdecl ltoa(long _Val,char *_DstBuf,int _Radix) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
   int __cdecl putenv(const char *_EnvString) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
+
+#ifndef _CRT_SWAB_DEFINED
+#define _CRT_SWAB_DEFINED  /* Also in unistd.h */
   void __cdecl swab(char *_Buf1,char *_Buf2,int _SizeInBytes) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
+#endif
+
   char *__cdecl ultoa(unsigned long _Val,char *_Dstbuf,int _Radix) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
   onexit_t __cdecl onexit(onexit_t _Func);
 #endif

mingw-w64-headers/crt/unistd.h

diff --git a/mingw-w64-headers/crt/unistd.h b/mingw-w64-headers/crt/unistd.h
index 65164d8..1586604 100644
--- a/mingw-w64-headers/crt/unistd.h
+++ b/mingw-w64-headers/crt/unistd.h
@@ -57,6 +57,11 @@
 #endif /* _FILE_OFFSET_BITS_SET_FTRUNCATE */
 #endif /* _FILE_OFFSET_BITS_SET_FTRUNCATE */
 
+#ifndef _CRT_SWAB_DEFINED
+#define _CRT_SWAB_DEFINED /* Also in stdlib.h */
+  void __cdecl swab(char *_Buf1,char *_Buf2,int _SizeInBytes) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
+#endif
+
 #ifdef __cplusplus
 }
 #endif