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