Update copyright for files modified in this year

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLib / ScanMem8Wrapper.c

diff --git a/MdePkg/Library/BaseMemoryLib/ScanMem8Wrapper.c b/MdePkg/Library/BaseMemoryLib/ScanMem8Wrapper.c
index 9b817b1b0e96920b9d8092b4b610ed38d0b9c42d..d17b3a7943c74620923e01e40e466b33f93a1df0 100644 (file)
--- a/MdePkg/Library/BaseMemoryLib/ScanMem8Wrapper.c
+++ b/MdePkg/Library/BaseMemoryLib/ScanMem8Wrapper.c
@@ -1,7 +1,18 @@
 /** @file\r
   ScanMem8() implementation.\r
 \r
-  Copyright (c) 2006, Intel Corporation<BR>\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
+    DxeMemoryLib\r
+\r
+  Copyright (c) 2006 - 2008, 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
@@ -10,55 +21,42 @@
   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
-  Module Name:  ScanMem8Wrapper.c\r
-\r
-  The following BaseMemoryLib instances share the same version of this file:\r
-\r
-    BaseMemoryLib\r
-    BaseMemoryLibMmx\r
-    BaseMemoryLibSse2\r
-    BaseMemoryLibRepStr\r
-    PeiMemoryLib\r
-    UefiMemoryLib\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\r
-  matching 8-bit value in the target buffer.\r
-\r
-  This function searches target the buffer specified by Buffer and Length from\r
-  the lowest address to the highest address for an 8-bit value that matches\r
-  Value. If a match is found, then a pointer to the matching byte in the target\r
-  buffer is returned. If no match is found, then NULL is returned. If Length is\r
-  0, then NULL is returned.\r
-\r
-  If Buffer is NULL, then ASSERT().\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 target the 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
+  @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 Pointer to the first occurrence or NULL if not found.\r
-  @retval NULL  if Length == 0 or Value was not found.\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
+  IN CONST VOID  *Buffer,\r
+  IN UINTN       Length,\r
+  IN UINT8       Value\r
   )\r
 {\r
-  ASSERT (Buffer != NULL);\r
-  ASSERT (Length <= MAX_ADDRESS + (UINTN)Buffer + 1);\r
-\r
-  if ((Length /= sizeof (Value)) == 0) {\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