2009-01-01 Andreas Tobler <a.tobler@schweiz.org>

	* inclhack.def (openbsd_null_definition): Redefine NULL to (void *)0
	in case of C.
	* fixincl.x: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@142989 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 109 insertions, 5 deletions

diff --git a/fixincludes/ChangeLog b/fixincludes/ChangeLog
index 876b2c71148..ac3a39105fc 100644
--- a/fixincludes/ChangeLog
+++ b/fixincludes/ChangeLog
@@ -1,3 +1,9 @@
+2009-01-01  Andreas Tobler  <a.tobler@schweiz.org>
+
+	* inclhack.def (openbsd_null_definition): Redefine NULL to (void *)0
+	in case of C.
+	* fixincl.x: Regenerate.
+
 2008-12-31  Andreas Tobler  <a.tobler@schweiz.org>
 
 	PR target/35460
diff --git a/fixincludes/fixincl.x b/fixincludes/fixincl.x
index 0e283966615..120728ee052 100644
--- a/fixincludes/fixincl.x
+++ b/fixincludes/fixincl.x
@@ -2,11 +2,11 @@
  * 
  * DO NOT EDIT THIS FILE   (fixincl.x)
  * 
- * It has been AutoGen-ed  Wednesday December 31, 2008 at 02:49:07 PM CET
+ * It has been AutoGen-ed  Wednesday December 31, 2008 at 11:51:30 PM CET
  * From the definitions    inclhack.def
  * and the template file   fixincl
  */
-/* DO NOT SVN-MERGE THIS FILE, EITHER Wed Dec 31 14:49:07 CET 2008
+/* DO NOT SVN-MERGE THIS FILE, EITHER Wed Dec 31 23:51:30 CET 2008
  *
  * You must regenerate it.  Use the ./genfixes script.
  *
@@ -15,7 +15,7 @@
  * certain ANSI-incompatible system header files which are fixed to work
  * correctly with ANSI C and placed in a directory that GNU C will search.
  *
- * This file contains 178 fixup descriptions.
+ * This file contains 179 fixup descriptions.
  *
  * See README for more information.
  *
@@ -4699,6 +4699,60 @@ static const char* apzNodeent_SyntaxPatch[] = {
 
 /* * * * * * * * * * * * * * * * * * * * * * * * * *
  *
+ *  Description of Openbsd_Null_Definition fix
+ */
+tSCC zOpenbsd_Null_DefinitionName[] =
+     "openbsd_null_definition";
+
+/*
+ *  File name selection pattern
+ */
+tSCC zOpenbsd_Null_DefinitionList[] =
+  "locale.h\0stddef.h\0stdio.h\0string.h\0time.h\0unistd.h\0wchar.h\0sys/param.h\0";
+/*
+ *  Machine/OS name selection pattern
+ */
+tSCC* apzOpenbsd_Null_DefinitionMachs[] = {
+        "*-*-openbsd*",
+        (const char*)NULL };
+
+/*
+ *  content selection pattern - do fix if pattern found
+ */
+tSCC zOpenbsd_Null_DefinitionSelect0[] =
+       "__GNUG__";
+
+#define    OPENBSD_NULL_DEFINITION_TEST_CT  1
+static tTestDesc aOpenbsd_Null_DefinitionTests[] = {
+  { TT_EGREP,    zOpenbsd_Null_DefinitionSelect0, (regex_t*)NULL }, };
+
+/*
+ *  Fix Command Arguments for Openbsd_Null_Definition
+ */
+static const char* apzOpenbsd_Null_DefinitionPatch[] = {
+    "format",
+    "#ifndef NULL\n\
+#ifdef __cplusplus\n\
+#ifdef __GNUG__\n\
+#define NULL\t__null\n\
+#else\t /* ! __GNUG__  */\n\
+#define NULL\t0L\n\
+#endif\t /* __GNUG__  */\n\
+#else\t /* ! __cplusplus  */\n\
+#define NULL\t((void *)0)\n\
+#endif\t /* __cplusplus  */\n\
+#endif\t /* !NULL  */",
+    "^#ifndef[ \t]*NULL\n\
+^#ifdef[ \t]*__GNUG__\n\
+^#define[ \t]*NULL[ \t]*__null\n\
+^#else\n\
+^#define[ \t]*NULL[ \t]*0L\n\
+^#endif\n\
+^#endif",
+    (char*)NULL };
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * *
+ *
  *  Description of Obstack_Lvalue_Cast fix
  */
 tSCC zObstack_Lvalue_CastName[] =
@@ -7219,9 +7273,9 @@ static const char* apzX11_SprintfPatch[] = {
  *
  *  List of all fixes
  */
-#define REGEX_COUNT          224
+#define REGEX_COUNT          225
 #define MACH_LIST_SIZE_LIMIT 181
-#define FIX_COUNT            178
+#define FIX_COUNT            179
 
 /*
  *  Enumerate the fixes
@@ -7343,6 +7397,7 @@ typedef enum {
     NEXT_VOLITILE_FIXIDX,
     NEXT_WAIT_UNION_FIXIDX,
     NODEENT_SYNTAX_FIXIDX,
+    OPENBSD_NULL_DEFINITION_FIXIDX,
     OBSTACK_LVALUE_CAST_FIXIDX,
     OPENBSD_VA_START_FIXIDX,
     OSF_NAMESPACE_A_FIXIDX,
@@ -7988,6 +8043,11 @@ tFixDesc fixDescList[ FIX_COUNT ] = {
      NODEENT_SYNTAX_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE,
      aNodeent_SyntaxTests,   apzNodeent_SyntaxPatch, 0 },
 
+  {  zOpenbsd_Null_DefinitionName,    zOpenbsd_Null_DefinitionList,
+     apzOpenbsd_Null_DefinitionMachs,
+     OPENBSD_NULL_DEFINITION_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE,
+     aOpenbsd_Null_DefinitionTests,   apzOpenbsd_Null_DefinitionPatch, 0 },
+
   {  zObstack_Lvalue_CastName,    zObstack_Lvalue_CastList,
      apzObstack_Lvalue_CastMachs,
      OBSTACK_LVALUE_CAST_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE,
diff --git a/fixincludes/inclhack.def b/fixincludes/inclhack.def
index 63871c42abd..adab21ef89b 100644
--- a/fixincludes/inclhack.def
+++ b/fixincludes/inclhack.def
@@ -2516,6 +2516,44 @@ fix = {
     test_text = "char *na_addr\t";
 };
 
+/* 
+ * Fix OpenBSD's NULL definition.
+ */
+fix = {
+  hackname  = openbsd_null_definition;
+  mach      = "*-*-openbsd*";
+  files     = locale.h, stddef.h, stdio.h, string.h,
+  time.h, unistd.h, wchar.h, sys/param.h;
+  select    = "__GNUG__";
+  c_fix = format;
+  c_fix_arg = "#ifndef NULL\n"
+	      "#ifdef __cplusplus\n"
+	      "#ifdef __GNUG__\n"
+	      "#define NULL\t__null\n"
+	      "#else\t /* ! __GNUG__  */\n"
+	      "#define NULL\t0L\n"
+              "#endif\t /* __GNUG__  */\n"
+	      "#else\t /* ! __cplusplus  */\n"
+	      "#define NULL\t((void *)0)\n"
+              "#endif\t /* __cplusplus  */\n"
+              "#endif\t /* !NULL  */";
+
+  c_fix_arg = "^#ifndef[ \t]*NULL\n"
+	      "^#ifdef[ \t]*__GNUG__\n"
+  	      "^#define[ \t]*NULL[ \t]*__null\n"
+  	      "^#else\n"
+              "^#define[ \t]*NULL[ \t]*0L\n"
+              "^#endif\n"
+              "^#endif";
+  test_text = 
+	"#ifndef NULL\n"
+	"#ifdef  __GNUG__\n"
+	"#define NULL    __null\n"
+	"#else\n"
+	"#define NULL    0L\n"
+	"#endif\n"
+	"#endif\n";
+};
 
 /*
  *  obstack.h used casts as lvalues.