+/** @file\r
+ ScanMem8() and ScanMemN() implementation.\r
+\r
+ The following BaseMemoryLib instances contain the same copy of this file:\r
+\r
+ BaseMemoryLib\r
+ BaseMemoryLibMmx\r
+ BaseMemoryLibSse2\r
+ BaseMemoryLibRepStr\r
+ BaseMemoryLibOptDxe\r
+ BaseMemoryLibOptPei\r
+ PeiMemoryLib\r
+ UefiMemoryLib\r
+\r
+ Copyright (c) 2006 - 2009, Intel Corporation<BR>\r
+ All rights reserved. This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include "MemLibInternals.h"\r
+\r
+/**\r
+ Scans a target buffer for an 8-bit value, and returns a pointer to the matching 8-bit value\r
+ in the target buffer.\r
+\r
+ This function searches the target buffer specified by Buffer and Length from the lowest\r
+ address to the highest address for an 8-bit value that matches Value. If a match is found,\r
+ then a pointer to the matching byte in the target buffer is returned. If no match is found,\r
+ then NULL is returned. If Length is 0, then NULL is returned.\r
+ \r
+ If Length > 0 and Buffer is NULL, then ASSERT().\r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
+\r
+ @param Buffer Pointer to the target buffer to scan.\r
+ @param Length Number of bytes in Buffer to scan.\r
+ @param Value Value to search for in the target buffer.\r
+\r
+ @return A pointer to the matching byte in the target buffer or NULL otherwise.\r
+\r
+**/\r
+VOID *\r
+EFIAPI\r
+ScanMem8 (\r
+ IN CONST VOID *Buffer,\r
+ IN UINTN Length,\r
+ IN UINT8 Value\r
+ )\r
+{\r
+ if (Length == 0) {\r
+ return NULL;\r
+ }\r
+ ASSERT (Buffer != NULL);\r
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer));\r
+ \r
+ return (VOID*)InternalMemScanMem8 (Buffer, Length, Value);\r
+}\r
+\r
+/**\r
+ Scans a target buffer for a UINTN sized value, and returns a pointer to the matching \r
+ UINTN sized value in the target buffer.\r
+\r
+ This function searches the target buffer specified by Buffer and Length from the lowest\r
+ address to the highest address for a UINTN sized value that matches Value. If a match is found,\r
+ then a pointer to the matching byte in the target buffer is returned. If no match is found,\r
+ then NULL is returned. If Length is 0, then NULL is returned.\r
+ \r
+ If Length > 0 and Buffer is NULL, then ASSERT().\r
+ If Buffer is not aligned on a UINTN boundary, then ASSERT().\r
+ If Length is not aligned on a UINTN boundary, then ASSERT().\r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
+\r
+ @param Buffer Pointer to the target buffer to scan.\r
+ @param Length Number of bytes in Buffer to scan.\r
+ @param Value Value to search for in the target buffer.\r
+\r
+ @return A pointer to the matching byte in the target buffer or NULL otherwise.\r
+\r
+**/\r
+VOID *\r
+EFIAPI\r
+ScanMemN (\r
+ IN CONST VOID *Buffer,\r
+ IN UINTN Length,\r
+ IN UINTN Value\r
+ )\r
+{\r
+ if (sizeof (UINTN) == sizeof (UINT64)) {\r
+ return ScanMem64 (Buffer, Length, (UINT64)Value);\r
+ } else {\r
+ return ScanMem32 (Buffer, Length, (UINT32)Value);\r
+ }\r
+}\r
+\r