X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/libsecurity_filedb/lib/OverUnderflowCheck.h?ds=inline

diff --git a/libsecurity_filedb/lib/OverUnderflowCheck.h b/libsecurity_filedb/lib/OverUnderflowCheck.h
deleted file mode 100644
index 7224ac77..00000000
--- a/libsecurity_filedb/lib/OverUnderflowCheck.h
+++ /dev/null
@@ -1,85 +0,0 @@
-#ifndef __OVERUNDERFLOWCHECK__
-#define __OVERUNDERFLOWCHECK__
-
-inline uint32 CheckUInt32Add(uint32 a, uint32 b)
-{
-	uint32 c = a + b;
-	if (c < a)	
-	{
-		CssmError::throwMe(CSSMERR_DL_DATABASE_CORRUPT);
-	}
-	
-	return c;
-}
-
-
-
-inline uint32 CheckUInt32Subtract(uint32 a, uint32 b)
-{
-	if (a < b)
-	{
-		CssmError::throwMe(CSSMERR_DL_DATABASE_CORRUPT);
-	}
-
-	return a - b;
-}
-
-
-
-inline uint32 CheckUInt32Multiply(uint32 a, uint32 b)
-{
-	uint32 c = a * b;
-	uint64 cc = ((uint64) a) * ((uint64) b);
-	if (c != cc)
-	{
-		CssmError::throwMe(CSSMERR_DL_DATABASE_CORRUPT);
-	}
-	
-	return c;
-}
-
-
-
-inline uint64 Check64BitAdd(uint64 a, uint64 b)
-{
-	uint64 c = a + b;
-	if (c < a)
-	{
-		CssmError::throwMe(CSSMERR_DL_DATABASE_CORRUPT);
-	}
-	
-	return c;
-}
-
-
-
-inline uint64 Check64BitSubtract(uint64 a, uint64 b)
-{
-	if (a < b)
-	{
-		CssmError::throwMe(CSSMERR_DL_DATABASE_CORRUPT);
-	}
-
-	return a - b;
-}
-
-
-	
-inline uint64 Check64BitMultiply(uint64 a, uint64 b)
-{
-	if (a != 0)
-	{
-		uint64 max = (uint64) -1;
-		uint64 limit = max / a;
-		if (b > limit)
-		{
-			CssmError::throwMe(CSSMERR_DL_DATABASE_CORRUPT);
-		}
-	}
-	
-	return a * b;
-}
-
-
-
-#endif