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