Correct the wrong '?' character to '-', and add check DestinationBuffer == SourceBuffer for CompareMem functions in all BaseMemory library instances.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5831 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 7 insertions, 7 deletions

diff --git a/MdePkg/Include/Library/BaseMemoryLib.h b/MdePkg/Include/Library/BaseMemoryLib.h
index b680f2b550..4eb0bf257a 100644
--- a/MdePkg/Include/Library/BaseMemoryLib.h
+++ b/MdePkg/Include/Library/BaseMemoryLib.h
@@ -43,7 +43,7 @@ CopyMem (
   Fills a target buffer with a byte value, and returns the target buffer.

 

   This function fills Length bytes of Buffer with Value, and returns Buffer.

-  If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().

+  If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().

 

   @param  Buffer    Memory to set.

   @param  Length    Number of bytes to set.

@@ -146,7 +146,7 @@ SetMem64 (
 

   This function fills Length bytes of Buffer with zeros, and returns Buffer.

   If Length > 0 and Buffer is NULL, then ASSERT().

-  If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().

+  If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().

 

   @param  Buffer      Pointer to the target buffer to fill with zeros.

   @param  Length      Number of bytes in Buffer to fill with zeros.

@@ -199,7 +199,7 @@ CompareMem (
   then a pointer to the matching byte in the target buffer is returned.  If no match is found,

   then NULL is returned.  If Length is 0, then NULL is returned.

   If Length > 0 and Buffer is NULL, then ASSERT().

-  If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().

+  If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().

 

   @param  Buffer      Pointer to the target buffer to scan.

   @param  Length      Number of bytes in Buffer to scan.

@@ -227,7 +227,7 @@ ScanMem8 (
   If Length > 0 and Buffer is NULL, then ASSERT().

   If Buffer is not aligned on a 16-bit boundary, then ASSERT().

   If Length is not aligned on a 16-bit boundary, then ASSERT().

-  If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().

+  If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().

 

   @param  Buffer      Pointer to the target buffer to scan.

   @param  Length      Number of bytes in Buffer to scan.

@@ -255,7 +255,7 @@ ScanMem16 (
   If Length > 0 and Buffer is NULL, then ASSERT().

   If Buffer is not aligned on a 32-bit boundary, then ASSERT().

   If Length is not aligned on a 32-bit boundary, then ASSERT().

-  If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().

+  If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().

 

   @param  Buffer      Pointer to the target buffer to scan.

   @param  Length      Number of bytes in Buffer to scan.

@@ -283,7 +283,7 @@ ScanMem32 (
   If Length > 0 and Buffer is NULL, then ASSERT().

   If Buffer is not aligned on a 64-bit boundary, then ASSERT().

   If Length is not aligned on a 64-bit boundary, then ASSERT().

-  If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().

+  If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().

 

   @param  Buffer      Pointer to the target buffer to scan.

   @param  Length      Number of bytes in Buffer to scan.

@@ -355,7 +355,7 @@ CompareGuid (
   If Length > 0 and Buffer is NULL, then ASSERT().

   If Buffer is not aligned on a 32-bit boundary, then ASSERT().

   If Length is not aligned on a 128-bit boundary, then ASSERT().

-  If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().

+  If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().

 

   @param  Buffer  Pointer to the target buffer to scan.

   @param  Length  Number of bytes in Buffer to scan.