104 lines
3 KiB
C
104 lines
3 KiB
C
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/*******************************************************************
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***** Header for Decompression Library (condensed from API.H and RETCODES.H)
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********************************************************************/
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/*** API.H: Extern procs for the decompression library. ***/
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typedef int (far * PFNWFROMW)(int);
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LONG
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LcbCopyFile(
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HANDLE fhSrc,
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HANDLE fhDest,
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PFNWFROMW pfn,
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INT cProgTicks
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);
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LONG
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LcbDecompFile(
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HANDLE fhSrc,
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HANDLE fhDest,
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PFNWFROMW pfn,
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INT cProgTicks
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);
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//
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// Diamond routines.
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//
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BOOL
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InitDiamond(
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VOID
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);
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VOID
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TermDiamond(
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VOID
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);
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BOOL
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IsDiamondFile(
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IN PSTR FileName
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);
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LONG
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DecompDiamondFile(
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PSTR SourceFileName,
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HANDLE TargetFileHandle,
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PFNWFROMW ProgressCallback,
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INT NumberOfTicks
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);
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/* global variables for file header info before writing or after reading */
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extern SHORT vwAlgType;
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extern LONG vlcbSrcLength;
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extern BOOL vfChecksum;
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extern USHORT vusChecksum;
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extern USHORT vcbArgs;
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extern BYTE * vrgbArgs;
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extern CHAR vszBaseName[9];
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extern CHAR vszExtension[4];
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extern SZ vszText;
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extern USHORT vcbText;
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/*** RETCODES.H: Return Codes for compression module for Setup Toolkit. ***/
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/* error codes - quick check is anything less than rcNoError */
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#define rcNoError 0 /* no errors */
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#define rcNoHeader (-1) /* no header (eg no magic value) */
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#define rcUnknownAlgType (-2) /* wAlgType doesn't match knowns */
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#define rcBadHeader (-3) /* header too short or bad value */
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#define rcFilenamesTooLong (-4) /* filenames bigger than 8.3 */
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#define rcReadError (-5) /* reading error with fhSrc */
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#define rcReadSeekError (-6) /* seeking error with fhSrc */
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#define rcWriteError (-7) /* writing error with fhDest */
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#define rcWriteSeekError (-8) /* seeking error with fhDest */
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#define rcDestPatchError (-9) /* patching error with fhDest */
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#define rcCompChecksumBad (-10) /* compressed checksums mismatch */
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#define rcDecompChecksumBad (-11) /* decompressed checksums mismatch */
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#define rcCompLengthBad (-12) /* compressed length mismatch */
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#define rcDecompLengthBad (-13) /* decompressed length mismatch */
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#define rcGenericCompError (-14) /* internal compression error */
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#define rcGenericDecompError (-15) /* internal decompression error */
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#define rcSplitSizeTooSmall (-16) /* split size too small for header */
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#define rcOutOfMemory (-17) /* unable to alloc a buffer */
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#define rcDiskFull (-18) /* target is full */
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#define rcUserQuit (-19) /* user quit during decomp */
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/* each code below here has a standard header */
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#define wAlgTypeNil (-1) /* no algorithm type (never found) */
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#define wAlgTypeZK1 2 /* Steve Zeck compression algorithm */
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#define wAlgTypeJJJ1 3 /* Jeff J. Johnson algorithm */
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