BaseMemoryLib (BaseMemoryLibRepStr):

[mirror_edk2.git] / MdePkg / Library / BasePrintLib / PrintLibInternal.c

diff --git a/MdePkg/Library/BasePrintLib/PrintLibInternal.c b/MdePkg/Library/BasePrintLib/PrintLibInternal.c
index 89d18b09a2c5ffeadcbf622403ea06f8979ccfd9..06c220692e1ea6d88b147352a6128abca1948987 100644 (file)
--- a/MdePkg/Library/BasePrintLib/PrintLibInternal.c
+++ b/MdePkg/Library/BasePrintLib/PrintLibInternal.c
@@ -138,13 +138,20 @@ BasePrintLibConvertValueToString (
   UINTN  Digits;\r
   UINTN  Index;\r
 \r
+  ASSERT (Buffer != NULL);\r
+  ASSERT (Width < MAXIMUM_VALUE_CHARACTERS);\r
+  //\r
+  // Make sure Flags can only contain supported bits.\r
+  //\r
+  ASSERT ((Flags & ~(LEFT_JUSTIFY | COMMA_TYPE | PREFIX_ZERO)) == 0);\r
+\r
   OriginalBuffer = Buffer;\r
 \r
   if (Width == 0 || (Flags & COMMA_TYPE) != 0) {\r
     Flags &= (~PREFIX_ZERO);\r
   }\r
 \r
-  if (Width == 0 || Width > (MAXIMUM_VALUE_CHARACTERS - 1)) {\r
+  if (Width == 0) {\r
     Width = MAXIMUM_VALUE_CHARACTERS - 1;\r
   }\r
 \r