SFileExtractFile.cpp from MaNGOS at Krugle
Show SFileExtractFile.cpp syntax highlighted
/*****************************************************************************/
/* 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);
}
See more files for this project here