From e5071a9fef1de414c0dfe2f1b5fc42d069bf9b37 Mon Sep 17 00:00:00 2001
From: jwang36 <jwang36@7335b38e-4728-0410-8992-fb3ffe349368>
Date: Mon, 28 Apr 2008 03:13:42 +0000
Subject: [PATCH] Added Extract interface for easier wrapping of decompressor
 in Python

git-svn-id: https://buildtools.tianocore.org/svn/buildtools/trunk/BaseTools@1180 7335b38e-4728-0410-8992-fb3ffe349368
---
 Source/C/Common/Decompress.c | 34 ++++++++++++++++++++++++++++++++++
 Source/C/Common/Decompress.h | 10 ++++++++++
 2 files changed, 44 insertions(+)

diff --git a/Source/C/Common/Decompress.c b/Source/C/Common/Decompress.c
index a76dd25..8e54b5d 100644
--- a/Source/C/Common/Decompress.c
+++ b/Source/C/Common/Decompress.c
@@ -921,3 +921,37 @@ Returns:
   mPbit = MAXPBIT;
   return Decompress (Source, SrcSize, Destination, DstSize, Scratch, ScratchSize);
 }
+
+EFI_STATUS
+Extract (
+  IN      VOID    *Source,
+  IN      UINT32  SrcSize,
+  IN OUT  VOID    *Destination,
+  IN      UINT32  DstSize,
+  IN      UINT    Algorithm
+  )
+{
+  SCRATCH_DATA  Scratch;
+  EFI_STATUS    Status;
+
+  Status = EFI_SUCCESS;
+  switch (Algorithm) {
+  case 0:
+    if (SrcSize != DstSize) {
+      return EFI_INVALID_PARAMETER;
+    }
+    memcpy(Destination, Source, DstSize);
+    break;
+  case 1:
+    Status = EfiDecompress(Source, SrcSize, Destination, DstSize, &Scratch, sizeof(SCRATCH_DATA));
+    break;
+  case 2:
+    Status = TianoDecompress(Source, SrcSize, Destination, DstSize, &Scratch, sizeof(SCRATCH_DATA));
+    break;
+  default:
+    Status = EFI_INVALID_PARAMETER;    
+  }
+
+  return Status;
+}
+
diff --git a/Source/C/Common/Decompress.h b/Source/C/Common/Decompress.h
index fa7b202..8bcf504 100644
--- a/Source/C/Common/Decompress.h
+++ b/Source/C/Common/Decompress.h
@@ -159,4 +159,14 @@ EFI_STATUS
   IN OUT  VOID    *Scratch,
   IN      UINT32  ScratchSize
   );
+
+EFI_STATUS
+Extract (
+  IN      VOID    *Source,
+  IN      UINT32  SrcSize,
+  IN OUT  VOID    *Destination,
+  IN      UINT32  DstSize,
+  IN      UINT    Algorithm
+  );
+
 #endif
-- 
2.17.1