diff options
| -rw-r--r-- | MdePkg/Include/Library/BaseLib.h | 5 | ||||
| -rw-r--r-- | MdePkg/Library/BaseLib/CheckSum.c | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h index 5d7067ee85..728e89d2bf 100644 --- a/MdePkg/Include/Library/BaseLib.h +++ b/MdePkg/Include/Library/BaseLib.h @@ -4599,6 +4599,11 @@ CalculateCrc16Ansi ( IN UINT16 InitialValue
);
+//
+// Initial value for the CRC16-ANSI algorithm, when no prior checksum has been calculated.
+//
+#define CRC16ANSI_INIT 0xffff
+
/**
Calculates the CRC32c checksum of the given buffer.
diff --git a/MdePkg/Library/BaseLib/CheckSum.c b/MdePkg/Library/BaseLib/CheckSum.c index b6a0765731..57d324c82b 100644 --- a/MdePkg/Library/BaseLib/CheckSum.c +++ b/MdePkg/Library/BaseLib/CheckSum.c @@ -678,13 +678,13 @@ CalculateCrc16Ansi ( Buf = Buffer;
- Crc = ~InitialValue;
+ Crc = InitialValue;
while (Length-- != 0) {
Crc = mCrc16LookupTable[(Crc & 0xFF) ^ *(Buf++)] ^ (Crc >> 8);
}
- return ~Crc;
+ return Crc;
}
GLOBAL_REMOVE_IF_UNREFERENCED STATIC CONST UINT32 mCrc32cLookupTable[256] = {
|