CascDecompress.cpp File Reference

#include "CascLib.h"
#include "CascCommon.h"

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Macros
#define	__CASCLIB_SELF__

Functions
int	CascDecompress (LPBYTE pbOutBuffer, PDWORD pcbOutBuffer, LPBYTE pbInBuffer, DWORD cbInBuffer)

Macro Definition Documentation

#define __CASCLIB_SELF__

Function Documentation

int CascDecompress	(	LPBYTE	pbOutBuffer,
		PDWORD	pcbOutBuffer,
		LPBYTE	pbInBuffer,
		DWORD	cbInBuffer
	)

{
 z_stream z; // Stream information for zlib
 int nResult;

 // Fill the stream structure for zlib
 z.next_in = pbInBuffer;
 z.avail_in = cbInBuffer;
 z.total_in = cbInBuffer;
 z.next_out = pbOutBuffer;
 z.avail_out = *pcbOutBuffer;
 z.total_out = 0;
 z.zalloc = NULL;
 z.zfree = NULL;

 // Initialize the decompression structure
 if((nResult = inflateInit(&z)) == Z_OK)
 {
 // Call zlib to decompress the data
 nResult = inflate(&z, Z_NO_FLUSH);
 inflateEnd(&z);

 // Give the size of the uncompressed data
 *pcbOutBuffer = z.total_out;
 }

 // Return an error code
 return (nResult == Z_OK || nResult == Z_STREAM_END) ? ERROR_SUCCESS : ERROR_FILE_CORRUPT;
}

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