1) Remove UEFI specific defines from IndustryStandard/PeImage.h

[mirror_edk2.git] / MdePkg / Include / Library / UefiDecompressLib.h

diff --git a/MdePkg/Include/Library/UefiDecompressLib.h b/MdePkg/Include/Library/UefiDecompressLib.h
index d08a6eb3a0138798378866ec5c1d032771e3466e..42af591780ebe594d223a1da962d4cbf80e64f12 100644 (file)
--- a/MdePkg/Include/Library/UefiDecompressLib.h
+++ b/MdePkg/Include/Library/UefiDecompressLib.h
@@ -1,16 +1,19 @@
 /** @file\r
-  Return UEFI Decompress Protocol \r
+  Provides services to decompress a buffer using the UEFI Decompress algorithm.\r
 \r
-  Copyright (c) 2006, Intel Corporation                                                         \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
+  The UEFI Decompress Library enables the decompression of objects that \r
+  were compressed using the UEFI compression scheme. The UEFI Decompress \r
+  Library is independent of environment and requires the caller to allocate \r
+  all required memory buffers.\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
+Copyright (c) 2006 - 2008, Intel Corporation\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
-  Module Name:  UefiDecompressLib.h\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
@@ -18,7 +21,9 @@
 #define __UEFI_DECPOMPRESS_LIB_H__\r
 \r
 /**\r
-  Retrieves the size of the uncompressed buffer and the size of the scratch buffer.\r
+  Given a compressed source buffer, this function retrieves the size of \r
+  the uncompressed buffer and the size of the scratch buffer required \r
+  to decompress the compressed source buffer.\r
 \r
   Retrieves the size of the uncompressed buffer and the temporary scratch buffer \r
   required to decompress the buffer specified by Source and SourceSize.\r
@@ -45,10 +50,14 @@
                           is required to decompress the compressed buffer specified \r
                           by Source and SourceSize.\r
 \r
-  @retval  RETURN_SUCCESS The size of destination buffer and the size of scratch \r
-                          buffer are successull retrieved.\r
-  @retval  RETURN_INVALID_PARAMETER The source data is corrupted\r
-\r
+  @retval  RETURN_SUCCESS The size of the uncompressed data was returned \r
+                          in DestinationSize and the size of the scratch \r
+                          buffer was returned in ScratchSize.\r
+  @retval  RETURN_INVALID_PARAMETER \r
+                          The size of the uncompressed data or the size of \r
+                          the scratch buffer cannot be determined from \r
+                          the compressed data specified by Source \r
+                          and SourceSize.\r
 **/\r
 RETURN_STATUS\r
 EFIAPI\r
@@ -62,6 +71,7 @@ UefiDecompressGetInfo (
 /**\r
   Decompresses a compressed source buffer.\r
 \r
+  Extracts decompressed data to its original form.\r
   This function is designed so that the decompression algorithm can be implemented\r
   without using any memory services.  As a result, this function is not allowed to\r
   call any memory allocation services in its implementation.  It is the caller's r\r
@@ -81,16 +91,18 @@ UefiDecompressGetInfo (
                       This is an optional parameter that may be NULL if the \r
                       required scratch buffer size is 0.\r
                      \r
-  @retval  RETURN_SUCCESS Decompression is successfull\r
-  @retval  RETURN_INVALID_PARAMETER The source data is corrupted\r
-\r
+  @retval  RETURN_SUCCESS Decompression completed successfully, and \r
+                          the uncompressed buffer is returned in Destination.\r
+  @retval  RETURN_INVALID_PARAMETER \r
+                          The source buffer specified by Source is corrupted \r
+                          (not in a valid compressed format).\r
 **/\r
 RETURN_STATUS\r
 EFIAPI\r
 UefiDecompress (\r
   IN CONST VOID  *Source,\r
   IN OUT VOID    *Destination,\r
-  IN OUT VOID    *Scratch\r
+  IN OUT VOID    *Scratch  OPTIONAL\r
   );\r
 \r
 #endif\r