1/**
 2 * This file is part of the mingw-w64 runtime package.
 3 * No warranty is given; refer to the file DISCLAIMER within this package.
 4 */
 5
 6#ifndef _COMPRESSAPI_
 7#define _COMPRESSAPI_
 8
 9#include <windef.h>
10
11#if NTDDI_VERSION >= 0x06020000
12
13#define COMPRESS_ALGORITHM_INVALID 0
14#define COMPRESS_ALGORITHM_NULL 1
15#define COMPRESS_ALGORITHM_MSZIP 2
16#define COMPRESS_ALGORITHM_XPRESS 3
17#define COMPRESS_ALGORITHM_XPRESS_HUFF 4
18#define COMPRESS_ALGORITHM_LZMS 5
19#define COMPRESS_ALGORITHM_MAX 6
20
21#define COMPRESS_RAW (1 << 29)
22
23#ifdef __cplusplus
24extern "C" {
25#endif
26
27  typedef enum {
28    COMPRESS_INFORMATION_CLASS_INVALID = 0,
29    COMPRESS_INFORMATION_CLASS_BLOCK_SIZE,
30    COMPRESS_INFORMATION_CLASS_LEVEL
31  } COMPRESS_INFORMATION_CLASS;
32
33  DECLARE_HANDLE (COMPRESSOR_HANDLE);
34
35  typedef COMPRESSOR_HANDLE *PCOMPRESSOR_HANDLE;
36  typedef COMPRESSOR_HANDLE DECOMPRESSOR_HANDLE;
37  typedef COMPRESSOR_HANDLE *PDECOMPRESSOR_HANDLE;
38  typedef PVOID (__cdecl *PFN_COMPRESS_ALLOCATE) (PVOID UserContext, SIZE_T Size);
39  typedef VOID (__cdecl *PFN_COMPRESS_FREE) (PVOID UserContext, PVOID Memory);
40
41  typedef struct _COMPRESS_ALLOCATION_ROUTINES {
42    PFN_COMPRESS_ALLOCATE Allocate;
43    PFN_COMPRESS_FREE Free;
44    PVOID UserContext;
45  } COMPRESS_ALLOCATION_ROUTINES,*PCOMPRESS_ALLOCATION_ROUTINES;
46
47  WINBOOL WINAPI CloseCompressor (COMPRESSOR_HANDLE CompressorHandle);
48  WINBOOL WINAPI CloseDecompressor (DECOMPRESSOR_HANDLE DecompressorHandle);
49  WINBOOL WINAPI Compress (COMPRESSOR_HANDLE CompressorHandle, PVOID UncompressedData, SIZE_T UncompressedDataSize, PVOID CompressedBuffer, SIZE_T CompressedBufferSize, PSIZE_T CompressedDataSize);
50  WINBOOL WINAPI CreateCompressor (DWORD Algorithm, PCOMPRESS_ALLOCATION_ROUTINES AllocationRoutines, PCOMPRESSOR_HANDLE CompressorHandle);
51  WINBOOL WINAPI CreateDecompressor (DWORD Algorithm, PCOMPRESS_ALLOCATION_ROUTINES AllocationRoutines, PDECOMPRESSOR_HANDLE DecompressorHandle);
52  WINBOOL WINAPI Decompress (DECOMPRESSOR_HANDLE DecompressorHandle, PVOID CompressedData, SIZE_T CompressedDataSize, PVOID UncompressedBuffer, SIZE_T UncompressedBufferSize, PSIZE_T UncompressedDataSize);
53  WINBOOL WINAPI QueryCompressorInformation (COMPRESSOR_HANDLE CompressorHandle, COMPRESS_INFORMATION_CLASS CompressInformationClass, PVOID CompressInformation, SIZE_T CompressInformationSize);
54  WINBOOL WINAPI QueryDecompressorInformation (DECOMPRESSOR_HANDLE DecompressorHandle, COMPRESS_INFORMATION_CLASS CompressInformationClass, PVOID CompressInformation, SIZE_T CompressInformationSize);
55  WINBOOL WINAPI ResetCompressor (COMPRESSOR_HANDLE CompressorHandle);
56  WINBOOL WINAPI ResetDecompressor (DECOMPRESSOR_HANDLE DecompressorHandle);
57  WINBOOL WINAPI SetCompressorInformation (COMPRESSOR_HANDLE CompressorHandle, COMPRESS_INFORMATION_CLASS CompressInformationClass, PVOID CompressInformation, SIZE_T CompressInformationSize);
58  WINBOOL WINAPI SetDecompressorInformation (DECOMPRESSOR_HANDLE DecompressorHandle, COMPRESS_INFORMATION_CLASS CompressInformationClass, PVOID CompressInformation, SIZE_T CompressInformationSize);
59
60#ifdef __cplusplus
61}
62#endif
63
64#endif
65#endif