C++程序  |  50行  |  1.36 KB

/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef _LIBSPARSE_SPARSE_DEFS_
#define _LIBSPARSE_SPARSE_DEFS_

#include <errno.h>
#include <stdio.h>

#define __le64 u64
#define __le32 u32
#define __le16 u16

#define __be64 u64
#define __be32 u32
#define __be16 u16

#define __u64 u64
#define __u32 u32
#define __u16 u16
#define __u8 u8

typedef unsigned long long u64;
typedef signed long long s64;
typedef unsigned int u32;
typedef unsigned short int u16;
typedef unsigned char u8;

#define DIV_ROUND_UP(x, y) (((x) + (y) - 1)/(y))
#define ALIGN(x, y) ((y) * DIV_ROUND_UP((x), (y)))
#define ALIGN_DOWN(x, y) ((y) * ((x) / (y)))

#define error(fmt, args...) do { fprintf(stderr, "error: %s: " fmt "\n", __func__, ## args); } while (0)
#define error_errno(s, args...) error(s ": %s", ##args, strerror(errno))

#endif