Tools/CCode/Source/CompressDll/CompressDll.c

   1 /** @file
   2   Compression DLL used by PCD Tools
   3
   4   Copyright (c) 2006, Intel Corporation   All rights reserved.
   5   This program and the accompanying materials are licensed and made available
   6   under the terms and conditions of the BSD License which accompanies this
   7   distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14 #if defined(__GNUC__)
  15 typedef long long __int64;/*For cygwin build*/
  16 #endif
  17 #include "CompressDll.h"
  18 #include "EfiCompress.h"
  19
  20 extern
  21 EFI_STATUS
  22 Compress (
  23   IN      UINT8   *SrcBuffer,
  24   IN      UINT32  SrcSize,
  25   IN      UINT8   *DstBuffer,
  26   IN OUT  UINT32  *DstSize
  27   );
  28
  29 JNIEXPORT jbyteArray JNICALL  Java_org_tianocore_framework_tasks_Compress_CallCompress
  30 (JNIEnv *env, jobject obj, jbyteArray SourceBuffer, jint SourceSize, jstring path)
  31 {
  32   char*          DestBuffer;
  33   int            DestSize;
  34   int            Result;
  35   char           *InputBuffer;
  36   jbyteArray     OutputBuffer;
  37   jbyte          *TempByte;
  38
  39   DestSize   = 0;
  40   DestBuffer = NULL;
  41
  42   TempByte = (*env)->GetByteArrayElements(env, SourceBuffer, 0);
  43   InputBuffer = (char*) TempByte;
  44
  45
  46    //
  47    //  First call compress function and get need buffer size
  48    //
  49
  50    Result = Compress (
  51         (char*) InputBuffer,
  52         SourceSize,
  53         DestBuffer,
  54         &DestSize
  55         );
  56
  57    if (Result = EFI_BUFFER_TOO_SMALL) {
  58      DestBuffer = malloc (DestSize);
  59    }
  60
  61    //
  62    //  Second call compress and get the DestBuffer value
  63    //
  64    Result = Compress(
  65               (char*) InputBuffer,
  66         SourceSize,
  67         DestBuffer,
  68         &DestSize
  69      );
  70
  71    //
  72    // new a MV array to store the return compressed buffer
  73    //
  74    OutputBuffer = (*env)->NewByteArray(env, DestSize);
  75    (*env)->SetByteArrayRegion(env, OutputBuffer,0, DestSize, (jbyte*) DestBuffer);
  76
  77    //
  78    // Free Ouputbuffer.
  79    //
  80    free (DestBuffer);
  81
  82
  83   if (Result != 0) {
  84     return NULL;
  85   } else {
  86     return OutputBuffer;
  87   }
  88 }
  89
  90 #ifdef _MSC_VER
  91 BOOLEAN
  92 __stdcall
  93 DllMainCRTStartup(
  94     unsigned int hDllHandle,
  95     unsigned int nReason,
  96     void*   Reserved
  97 )
  98 {
  99   return TRUE;
 100 }
 101 #else
 102 #ifdef __GNUC__
 103 #endif
 104 #endif
 105