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Imported MaNGOS revision 6767 from http://mangos.svn.sourceforge.net/svnroot/mangos/trunk/

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TheLuda 2008-10-14 00:29:20 +02:00
parent d767495d5b
commit 800ee76535
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63
contrib/vmap_extractor_v2/stormlib/SFileExtractFile.cpp Normal file
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/*****************************************************************************/
/* SFileExtractFile.cpp Copyright (c) Ladislav Zezula 2003 */
/*---------------------------------------------------------------------------*/
/* Simple extracting utility */
/*---------------------------------------------------------------------------*/
/* Date Ver Who Comment */
/* -------- ---- --- ------- */
/* 20.06.03 1.00 Lad The first version of SFileExtractFile.cpp */
/*****************************************************************************/
#define __STORMLIB_SELF__
#include "StormLib.h"
#include "SCommon.h"
// TODO: Test for archives > 4GB
BOOL WINAPI SFileExtractFile(HANDLE hMpq, const char * szToExtract, const char * szExtracted)
{
HANDLE hLocalFile = INVALID_HANDLE_VALUE;
HANDLE hMpqFile = NULL;
int nError = ERROR_SUCCESS;
// Create the local file
if(nError == ERROR_SUCCESS)
{
hLocalFile = CreateFile(szExtracted, GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, 0, NULL);
if(hLocalFile == INVALID_HANDLE_VALUE)
nError = GetLastError();
}
// Open the MPQ file
if(nError == ERROR_SUCCESS)
{
if(!SFileOpenFileEx(hMpq, szToExtract, 0, &hMpqFile))
nError = GetLastError();
}
// Copy the file's content
if(nError == ERROR_SUCCESS)
{
char szBuffer[0x1000];
DWORD dwTransferred = 1;
while(dwTransferred > 0)
{
SFileReadFile(hMpqFile, szBuffer, sizeof(szBuffer), &dwTransferred, NULL);
if(dwTransferred == 0)
break;
WriteFile(hLocalFile, szBuffer, dwTransferred, &dwTransferred, NULL);
if(dwTransferred == 0)
break;
}
}
// Close the files
if(hMpqFile != NULL)
SFileCloseFile(hMpqFile);
if(hLocalFile != INVALID_HANDLE_VALUE)
CloseHandle(hLocalFile);
if(nError != ERROR_SUCCESS)
SetLastError(nError);
return (BOOL)(nError == ERROR_SUCCESS);
}