In libobjc/:

2010-12-24  Nicola Pero  <nicola.pero@meta-innovation.com>

	* selector.c (sel_getTypedSelector): Return NULL if given a NULL
	argument.
	(sel_registerTypedName): Same.
	(sel_registerName): Same.
	* objc/runtime.h: Updated documentation.
	
In gcc/testsuite/:
2010-12-24  Nicola Pero  <nicola.pero@meta-innovation.com>

	* objc.dg/gnu-api-2-sel.m: Test calling sel_getUid,
	sel_registerName and sel_registerTypedName with NULL arguments.
	Updated the test to work with the Apple runtime as well.
	* obj-c++.dg/gnu-api-2-sel.mm: Same change.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@168231 138bc75d-0d04-0410-961f-82ee72b054a4

6 files changed, 73 insertions, 6 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 2e68afa4f21..2f07ea6c7ff 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,12 @@
 2010-12-24  Nicola Pero  <nicola.pero@meta-innovation.com>
 
+	* objc.dg/gnu-api-2-sel.m: Test calling sel_getUid,
+	sel_registerName and sel_registerTypedName with NULL arguments.
+	Updated the test to work with the Apple runtime as well.
+	* obj-c++.dg/gnu-api-2-sel.mm: Same change.
+	
+2010-12-24  Nicola Pero  <nicola.pero@meta-innovation.com>
+
 	* objc.dg/gnu-api-2-class.m: Updated test to pass log_2 of the
 	alignment to class_addIvar, instead of the alignment itself.
 	* obj-c++.dg/gnu-api-2-class.mm: Same change.
diff --git a/gcc/testsuite/obj-c++.dg/gnu-api-2-sel.mm b/gcc/testsuite/obj-c++.dg/gnu-api-2-sel.mm
index 956ba29ca83..6d1d0fcf203 100644
--- a/gcc/testsuite/obj-c++.dg/gnu-api-2-sel.mm
+++ b/gcc/testsuite/obj-c++.dg/gnu-api-2-sel.mm
@@ -3,7 +3,6 @@
   This is test 'sel', covering all functions starting with 'sel'.  */
 
 /* { dg-do run } */
-/* { dg-skip-if "" { *-*-* } { "-fnext-runtime" } { "" } } */
 
 /* To get the modern GNU Objective-C Runtime API, you include
    objc/runtime.h.  */
@@ -16,11 +15,13 @@
 { Class isa; }
 + alloc;
 - init;
++ initialize;
 @end
 
 @implementation MyRootClass
 + alloc { return class_createInstance (self, 0); }
 - init  { return self; }
++ initialize { return self; }
 @end
 
 @protocol MyProtocol
@@ -49,6 +50,7 @@ int main ()
 {
   /* Functions are tested in alphabetical order.  */
 
+#ifdef __GNU_LIBOBJC__
   std::cout << "Testing sel_copyTypedSelectorList ()...\n";
   {
     unsigned int count;
@@ -72,6 +74,7 @@ int main ()
     if (list[2] != NULL)
       abort ();
   }
+#endif
 
   std::cout << "Testing sel_getName () ...\n";
   {
@@ -82,6 +85,7 @@ int main ()
       abort ();
   }
 
+#ifdef __GNU_LIBOBJC__
   std::cout << "Testing sel_getTypeEncoding () ...\n";
   {
     /* Get a selector from a real class, so it has interesting
@@ -96,7 +100,9 @@ int main ()
     if (sel_getTypeEncoding (NULL) != NULL)
       abort ();
   }
+#endif
 
+#ifdef __GNU_LIBOBJC__
   std::cout << "Testing sel_getTypedSelector () ...\n";
   {
     /* First try with a selector where we know that a typed one has
@@ -128,11 +134,15 @@ int main ()
     if (selector != NULL)
       abort ();
   }
+#endif
 
   std::cout << "Testing sel_getUid () ...\n";
   {
     if (std::strcmp (sel_getName (sel_getUid ("myMethod")), "myMethod") != 0)
       abort ();
+
+    if (sel_getUid (NULL) != NULL)
+      abort ();
   }
 
   std::cout << "Testing sel_isEqual () ...\n";
@@ -145,8 +155,12 @@ int main ()
   {
     if (std::strcmp (sel_getName (sel_registerName ("myMethod")), "myMethod") != 0)
       abort ();
+
+    if (sel_registerName (NULL) != NULL)
+      abort ();
   }
 
+#ifdef __GNU_LIBOBJC__
   std::cout << "Testing set_registerTypedName () ...\n";
   {
     const char *types = method_getTypeEncoding (class_getInstanceMethod 
@@ -159,7 +173,14 @@ int main ()
 
     if (std::strcmp (sel_getTypeEncoding (selector), types) != 0)
       abort ();
+
+    if (sel_registerTypedName (NULL, NULL) != NULL)
+      abort ();
+
+    if (sel_registerTypedName (NULL, types) != NULL)
+      abort ();
   }
+#endif
 
   return (0);
 }
diff --git a/gcc/testsuite/objc.dg/gnu-api-2-sel.m b/gcc/testsuite/objc.dg/gnu-api-2-sel.m
index db2dcd3ec28..70368cae185 100644
--- a/gcc/testsuite/objc.dg/gnu-api-2-sel.m
+++ b/gcc/testsuite/objc.dg/gnu-api-2-sel.m
@@ -3,7 +3,6 @@
   This is test 'sel', covering all functions starting with 'sel'.  */
 
 /* { dg-do run } */
-/* { dg-skip-if "" { *-*-* } { "-fnext-runtime" } { "" } } */
 
 /* To get the modern GNU Objective-C Runtime API, you include
    objc/runtime.h.  */
@@ -16,11 +15,13 @@
 { Class isa; }
 + alloc;
 - init;
++ initialize;
 @end
 
 @implementation MyRootClass
 + alloc { return class_createInstance (self, 0); }
 - init  { return self; }
++ initialize { return self; }
 @end
 
 @protocol MyProtocol
@@ -49,6 +50,7 @@ int main(int argc, void **args)
 {
   /* Functions are tested in alphabetical order.  */
 
+#ifdef __GNU_LIBOBJC__
   printf ("Testing sel_copyTypedSelectorList ()...\n");
   {
     unsigned int count;
@@ -72,6 +74,7 @@ int main(int argc, void **args)
     if (list[2] != NULL)
       abort ();
   }
+#endif
 
   printf ("Testing sel_getName () ...\n");
   {
@@ -82,6 +85,7 @@ int main(int argc, void **args)
       abort ();
   }
 
+#ifdef __GNU_LIBOBJC__
   printf ("Testing sel_getTypeEncoding () ...\n");
   {
     /* Get a selector from a real class, so it has interesting
@@ -96,7 +100,9 @@ int main(int argc, void **args)
     if (sel_getTypeEncoding (NULL) != NULL)
       abort ();
   }
+#endif
 
+#ifdef __GNU_LIBOBJC__
   printf ("Testing sel_getTypedSelector () ...\n");
   {
     /* First try with a selector where we know that a typed one has
@@ -128,11 +134,15 @@ int main(int argc, void **args)
     if (selector != NULL)
       abort ();
   }
+#endif
 
   printf ("Testing sel_getUid () ...\n");
   {
     if (strcmp (sel_getName (sel_getUid ("myMethod")), "myMethod") != 0)
       abort ();
+
+    if (sel_getUid (NULL) != NULL)
+      abort ();
   }
 
   printf ("Testing sel_isEqual () ...\n");
@@ -145,8 +155,12 @@ int main(int argc, void **args)
   {
     if (strcmp (sel_getName (sel_registerName ("myMethod")), "myMethod") != 0)
       abort ();
+
+    if (sel_registerName (NULL) != NULL)
+      abort ();
   }
 
+#ifdef __GNU_LIBOBJC__
   printf ("Testing set_registerTypedName () ...\n");
   {
     const char *types = method_getTypeEncoding (class_getInstanceMethod 
@@ -159,7 +173,14 @@ int main(int argc, void **args)
 
     if (strcmp (sel_getTypeEncoding (selector), types) != 0)
       abort ();
+
+    if (sel_registerTypedName (NULL, NULL) != NULL)
+      abort ();
+
+    if (sel_registerTypedName (NULL, types) != NULL)
+      abort ();
   }
+#endif
 
   return 0;
 }
diff --git a/libobjc/ChangeLog b/libobjc/ChangeLog
index d8f23f74c9a..f234a2654d1 100644
--- a/libobjc/ChangeLog
+++ b/libobjc/ChangeLog
@@ -1,5 +1,13 @@
 2010-12-24  Nicola Pero  <nicola.pero@meta-innovation.com>
 
+	* selector.c (sel_getTypedSelector): Return NULL if given a NULL
+	argument.
+	(sel_registerTypedName): Same.
+	(sel_registerName): Same.
+	* objc/runtime.h: Updated documentation.
+	
+2010-12-24  Nicola Pero  <nicola.pero@meta-innovation.com>
+
 	* objc/runtime.h (class_addIvar): Updated documentation.  The
 	alignment is actually the log_2 of the alignment in bytes.
 	* ivars.c (class_addIvar): Corresponding change to the
diff --git a/libobjc/objc/runtime.h b/libobjc/objc/runtime.h
index 9332f7be069..551c348d307 100644
--- a/libobjc/objc/runtime.h
+++ b/libobjc/objc/runtime.h
@@ -191,14 +191,14 @@ objc_EXPORT SEL sel_getUid (const char *name);
    you know the types, it is better to call sel_registerTypedName().
    If a selector with this name and no types already exists, it is
    returned.  Note that this function should really be called
-   'objc_registerSelector'.  */
+   'objc_registerSelector'.  Return NULL if 'name' is NULL.  */
 objc_EXPORT SEL sel_registerName (const char *name);
 
 /* Register a selector with a given name and types.  If a selector
    with this name and types already exists, it is returned.  Note that
    this function should really be called 'objc_registerTypedSelector',
    and it's called 'sel_registerTypedName' only for consistency with
-   'sel_registerName'.
+   'sel_registerName'.  Return NULL if 'name' is NULL.
 
    Compatibility Note: the Apple/NeXT runtime has untyped selectors,
    so it does not have this function, which is specific to the GNU
@@ -227,7 +227,7 @@ objc_EXPORT SEL * sel_copyTypedSelectorList (const char *name,
 
 /* Return a selector with name 'name' and a non-zero type encoding, if
    any such selector is registered with the runtime.  If there is no
-   such selector, NULL is returned.
+   such selector, NULL is returned.  Return NULL if 'name' is NULL.
 
    This is useful if you have the name of the selector, and would
    really like to get a selector for it that includes the type
diff --git a/libobjc/selector.c b/libobjc/selector.c
index f8a7f14fdb1..4110df2662b 100644
--- a/libobjc/selector.c
+++ b/libobjc/selector.c
@@ -357,8 +357,12 @@ SEL
 sel_getTypedSelector (const char *name)
 {
   sidx i;
-  objc_mutex_lock (__objc_runtime_mutex);
 
+  if (name == NULL)
+    return NULL;
+  
+  objc_mutex_lock (__objc_runtime_mutex);
+  
   /* Look for a typed selector.  */
   i = (sidx) objc_hash_value_for_key (__objc_selector_hash, name);
   if (i != 0)
@@ -658,6 +662,9 @@ SEL
 sel_registerName (const char *name)
 {
   SEL ret;
+
+  if (name == NULL)
+    return NULL;
     
   objc_mutex_lock (__objc_runtime_mutex);
   /* Assume that name is not constant static memory and needs to be
@@ -680,6 +687,9 @@ sel_registerTypedName (const char *name, const char *type)
 {
   SEL ret;
 
+  if (name == NULL)
+    return NULL;
+
   objc_mutex_lock (__objc_runtime_mutex);
   /* Assume that name and type are not constant static memory and need
      to be copied before put into a runtime structure.  is_const ==