/*
 * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT License.
 */


#include "ZlibCompressionBase.h"

#include <errno.h>

#include <zlib.h>


/*static*/ status_t
ZlibCompressionBase::TranslateZlibError(int error)
{
	switch (error) {
		case Z_OK:
			return B_OK;
		case Z_STREAM_END:
		case Z_NEED_DICT:
			// a special event (no error), but the caller doesn't seem to handle
			// it
			return B_ERROR;
		case Z_ERRNO:
			return errno;
		case Z_STREAM_ERROR:
			return B_BAD_VALUE;
		case Z_DATA_ERROR:
			return B_BAD_DATA;
		case Z_MEM_ERROR:
			return B_NO_MEMORY;
		case Z_BUF_ERROR:
			return B_BUFFER_OVERFLOW;
		case Z_VERSION_ERROR:
			return B_BAD_VALUE;
		default:
			return B_ERROR;
	}
}