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author | antirez <antirez@gmail.com> | 2012-02-14 16:11:46 +0100 |
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committer | antirez <antirez@gmail.com> | 2012-02-14 16:11:46 +0100 |
commit | 7a3e372025b2a54486ce52d706b1da95be4b7e7e (patch) | |
tree | b49fbfbd221554032fc46cda4c4cca20888a912e /src/endianconv.h | |
parent | 18aa2b87b6db7fa79b0596590aa385adcbc64e53 (diff) | |
download | redis-7a3e372025b2a54486ce52d706b1da95be4b7e7e.tar.gz |
endian.c/h -> endianconv.c/h to avoid issues with broken libraries search paths.
Diffstat (limited to 'src/endianconv.h')
-rw-r--r-- | src/endianconv.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/endianconv.h b/src/endianconv.h new file mode 100644 index 000000000..7ee8917ab --- /dev/null +++ b/src/endianconv.h @@ -0,0 +1,61 @@ +/* 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 + +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 convertion only if the target + * host is big endian */ +#if (BYTE_ORDER == LITTLE_ENDIAN) +#define memrev16ifbe(p) +#define memrev32ifbe(p) +#define memrev64ifbe(p) +#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 + +#endif |