RcStatus SemCopyDataUntilEOF( WResFileOffset offset, WResFileID handle,
void *buff, int buffsize, int *err_code )
/****************************************************************/
{
bool error;
WResFileSSize numread;
if( RCSEEK( handle, offset, SEEK_SET ) == -1 ) {
*err_code = errno;
return( RS_READ_ERROR );
}
numread = RCREAD( handle, buff, buffsize );
while( numread != 0 ) {
if( RCIOERR( handle, numread ) ) {
*err_code = errno;
return( RS_READ_ERROR );
}
error = ResWrite( buff, numread, CurrResFile.handle );
if( error ) {
*err_code = LastWresErr();
return( RS_WRITE_ERROR );
}
numread = RCREAD( handle, buff, buffsize );
}
return( RS_OK );
}
/*
* CopyData -
*/
RcStatus CopyData( uint_32 offset, uint_32 length, WResFileID handle,
void *buff, int buffsize, int *err_code )
/***************************************************************************/
{
bool error;
WResFileSSize numread;
if( RCSEEK( handle, offset, SEEK_SET ) == -1 ) {
*err_code = errno;
return( RS_READ_ERROR );
}
while( length > buffsize ) {
numread = RCREAD( handle, buff, buffsize );
if( numread != buffsize ) {
*err_code = errno;
return( RCIOERR( handle, numread ) ? RS_READ_ERROR : RS_READ_INCMPLT );
}
length -= buffsize;
error = ResWrite( buff, buffsize, CurrResFile.handle );
if( error ) {
*err_code = LastWresErr();
return( RS_WRITE_ERROR );
}
}
numread = RCREAD( handle, buff, length );
if( numread != length ) {
*err_code = errno;
return( RCIOERR( handle, numread ) ? RS_READ_ERROR : RS_READ_INCMPLT );
}
error = ResWrite( buff, length, CurrResFile.handle );
if( error ) {
*err_code = errno;
return( RS_WRITE_ERROR );
}
return( RS_OK );
} /* CopyData */