/***********************************************************************
* read_xx_header [internal]
*/
static int read_xx_header( HFILE lzfd )
{
IMAGE_DOS_HEADER mzh;
char magic[3];
LZSeek( lzfd, 0, SEEK_SET );
if ( sizeof(mzh) != LZRead( lzfd, (LPSTR)&mzh, sizeof(mzh) ) )
return 0;
if ( mzh.e_magic != IMAGE_DOS_SIGNATURE )
return 0;
LZSeek( lzfd, mzh.e_lfanew, SEEK_SET );
if ( 2 != LZRead( lzfd, magic, 2 ) )
return 0;
LZSeek( lzfd, mzh.e_lfanew, SEEK_SET );
if ( magic[0] == 'N' && magic[1] == 'E' )
return IMAGE_OS2_SIGNATURE;
if ( magic[0] == 'P' && magic[1] == 'E' )
return IMAGE_NT_SIGNATURE;
magic[2] = '\0';
WARN("Can't handle %s files.\n", magic );
return 0;
}
BOOL My_LZRead()
{
INT hFile=NULL;
LPSTR lpBuffer=NULL;
INT cbRead=NULL;
INT returnVal_Real = NULL;
INT returnVal_Intercepted = NULL;
DWORD error_Real = 0;
DWORD error_Intercepted = 0;
disableInterception();
returnVal_Real = LZRead (hFile,lpBuffer,cbRead);
error_Real = GetLastError();
enableInterception();
returnVal_Intercepted = LZRead (hFile,lpBuffer,cbRead);
error_Intercepted = GetLastError();
return ((returnVal_Real == returnVal_Intercepted) && (error_Real == error_Intercepted));
}
/***********************************************************************
* LZRead (LZEXPAND.5)
*/
INT16 WINAPI LZRead16( HFILE16 fd, LPVOID buf, UINT16 toread )
{
if (IS_LZ_HANDLE(fd)) return LZRead( fd, buf, toread );
return _lread( (HFILE)DosFileHandleToWin32Handle(fd), buf, toread );
}
