1) correct the assert condition for LibPcdSetPtr and LibPcdSetExPtr

2) make sure VOID* type dynamic PCD entry can handle ASCII string correctly.
3) correct one bug where if StringTable is empty the autogen.c won't compile.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@630 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/PeiPcdLib/PeiPcdLib.c

@@ -586,10 +586,12 @@ LibPcdSetPtr (
   PCD_PPI    *PcdPpi;
   UINTN      Size;
 
+  if (*SizeOfBuffer > 0) {
+    ASSERT (Buffer != NULL);
+  }
+
   PcdPpi = GetPcdPpiPtr ();
   
-  ASSERT ((*SizeOfBuffer > 0) && Buffer == NULL);
-
   Size = LibPcdGetSize (TokenNumber);
   
   if (*SizeOfBuffer > Size) {
@@ -813,6 +815,10 @@ LibPcdSetExPtr (
   PCD_PPI         *PcdPpi;
   UINTN           Size;
 
+  if (*SizeOfBuffer > 0) {
+    ASSERT (Buffer != NULL);
+  }
+
   PcdPpi = GetPcdPpiPtr ();
 
   Size = LibPcdGetExSize (Guid, TokenNumber);