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-rw-r--r--MdePkg/Library/DxeMemoryLib/MemLibInternals.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/MdePkg/Library/DxeMemoryLib/MemLibInternals.h b/MdePkg/Library/DxeMemoryLib/MemLibInternals.h
index 76cebeda76..27c3c71851 100644
--- a/MdePkg/Library/DxeMemoryLib/MemLibInternals.h
+++ b/MdePkg/Library/DxeMemoryLib/MemLibInternals.h
@@ -149,7 +149,9 @@ InternalMemZeroMem (
@param Length Length of DestinationBuffer and SourceBuffer memory
regions to compare. Must be non-zero.
- @retval 0 if MemOne == MemTwo
+ @return 0 All Length bytes of the two buffers are identical.
+ @retval Non-zero The first mismatched byte in SourceBuffer subtracted from the first
+ mismatched byte in DestinationBuffer.
**/
INTN