mirror of
https://codeberg.org/redict/redict.git
synced 2025-01-22 08:08:53 -05:00
e725d737fb
This is a preparation step in order to add a new test in quicklist.c see #9776
79 lines
2.9 KiB
C
79 lines
2.9 KiB
C
/* See endianconv.c top comments for more information
|
|
*
|
|
* ----------------------------------------------------------------------------
|
|
*
|
|
* Copyright (c) 2011-2012, Salvatore Sanfilippo <antirez at gmail dot com>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* * Neither the name of Redis nor the names of its contributors may be used
|
|
* to endorse or promote products derived from this software without
|
|
* specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef __ENDIANCONV_H
|
|
#define __ENDIANCONV_H
|
|
|
|
#include "config.h"
|
|
#include <stdint.h>
|
|
|
|
void memrev16(void *p);
|
|
void memrev32(void *p);
|
|
void memrev64(void *p);
|
|
uint16_t intrev16(uint16_t v);
|
|
uint32_t intrev32(uint32_t v);
|
|
uint64_t intrev64(uint64_t v);
|
|
|
|
/* variants of the function doing the actual conversion only if the target
|
|
* host is big endian */
|
|
#if (BYTE_ORDER == LITTLE_ENDIAN)
|
|
#define memrev16ifbe(p) ((void)(0))
|
|
#define memrev32ifbe(p) ((void)(0))
|
|
#define memrev64ifbe(p) ((void)(0))
|
|
#define intrev16ifbe(v) (v)
|
|
#define intrev32ifbe(v) (v)
|
|
#define intrev64ifbe(v) (v)
|
|
#else
|
|
#define memrev16ifbe(p) memrev16(p)
|
|
#define memrev32ifbe(p) memrev32(p)
|
|
#define memrev64ifbe(p) memrev64(p)
|
|
#define intrev16ifbe(v) intrev16(v)
|
|
#define intrev32ifbe(v) intrev32(v)
|
|
#define intrev64ifbe(v) intrev64(v)
|
|
#endif
|
|
|
|
/* The functions htonu64() and ntohu64() convert the specified value to
|
|
* network byte ordering and back. In big endian systems they are no-ops. */
|
|
#if (BYTE_ORDER == BIG_ENDIAN)
|
|
#define htonu64(v) (v)
|
|
#define ntohu64(v) (v)
|
|
#else
|
|
#define htonu64(v) intrev64(v)
|
|
#define ntohu64(v) intrev64(v)
|
|
#endif
|
|
|
|
#ifdef REDIS_TEST
|
|
int endianconvTest(int argc, char *argv[], int flags);
|
|
#endif
|
|
|
|
#endif
|