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Endiannes fix
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/* | ||
* Modified header taken from MessagePack implmenetation, original license below: | ||
* MessagePack system dependencies | ||
* | ||
* Copyright (C) 2008-2010 FURUHASHI Sadayuki | ||
* | ||
* 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 SYSDEP_H | ||
#define SYSDEP_H | ||
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#include <stdint.h> | ||
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#ifndef _WIN32 | ||
#include <arpa/inet.h> /* __BYTE_ORDER */ | ||
#endif | ||
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#if !defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__) | ||
#if __BYTE_ORDER == __LITTLE_ENDIAN | ||
#define __LITTLE_ENDIAN__ | ||
#elif __BYTE_ORDER == __BIG_ENDIAN | ||
#define __BIG_ENDIAN__ | ||
#elif _WIN32 | ||
#define __LITTLE_ENDIAN__ | ||
#endif | ||
#endif | ||
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#ifdef __LITTLE_ENDIAN__ | ||
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#ifdef _WIN32 | ||
# if defined(ntohs) | ||
# define endian_be16(x) ntohs(x) | ||
# elif defined(_byteswap_ushort) || (defined(_MSC_VER) && _MSC_VER >= 1400) | ||
# define endian_be16(x) ((uint16_t)_byteswap_ushort((unsigned short)x)) | ||
# else | ||
# define endian_be16(x) ( \ | ||
((((uint16_t)x) << 8) ) | \ | ||
((((uint16_t)x) >> 8) ) ) | ||
# endif | ||
#else | ||
# define endian_be16(x) ntohs(x) | ||
#endif | ||
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#ifdef _WIN32 | ||
# if defined(ntohl) | ||
# define endian_be32(x) ntohl(x) | ||
# elif defined(_byteswap_ulong) || (defined(_MSC_VER) && _MSC_VER >= 1400) | ||
# define endian_be32(x) ((uint32_t)_byteswap_ulong((unsigned long)x)) | ||
# else | ||
# define endian_be32(x) \ | ||
( ((((uint32_t)x) << 24) ) | \ | ||
((((uint32_t)x) << 8) & 0x00ff0000U ) | \ | ||
((((uint32_t)x) >> 8) & 0x0000ff00U ) | \ | ||
((((uint32_t)x) >> 24) ) ) | ||
# endif | ||
#else | ||
# define endian_be32(x) ntohl(x) | ||
#endif | ||
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#if defined(_byteswap_uint64) || (defined(_MSC_VER) && _MSC_VER >= 1400) | ||
# define endian_be64(x) (_byteswap_uint64(x)) | ||
#elif defined(bswap_64) | ||
# define endian_be64(x) bswap_64(x) | ||
#elif defined(__DARWIN_OSSwapInt64) | ||
# define endian_be64(x) __DARWIN_OSSwapInt64(x) | ||
#else | ||
#define endian_be64(x) \ | ||
( ((((uint64_t)x) << 56) ) | \ | ||
((((uint64_t)x) << 40) & 0x00ff000000000000ULL ) | \ | ||
((((uint64_t)x) << 24) & 0x0000ff0000000000ULL ) | \ | ||
((((uint64_t)x) << 8) & 0x000000ff00000000ULL ) | \ | ||
((((uint64_t)x) >> 8) & 0x00000000ff000000ULL ) | \ | ||
((((uint64_t)x) >> 24) & 0x0000000000ff0000ULL ) | \ | ||
((((uint64_t)x) >> 40) & 0x000000000000ff00ULL ) | \ | ||
((((uint64_t)x) >> 56) ) ) | ||
#endif | ||
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#define endian_load16(cast, from) ((cast)( \ | ||
(((uint16_t)((uint8_t*)(from))[0]) << 8) | \ | ||
(((uint16_t)((uint8_t*)(from))[1]) ) )) | ||
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#define endian_load32(cast, from) ((cast)( \ | ||
(((uint32_t)((uint8_t*)(from))[0]) << 24) | \ | ||
(((uint32_t)((uint8_t*)(from))[1]) << 16) | \ | ||
(((uint32_t)((uint8_t*)(from))[2]) << 8) | \ | ||
(((uint32_t)((uint8_t*)(from))[3]) ) )) | ||
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#define endian_load64(cast, from) ((cast)( \ | ||
(((uint64_t)((uint8_t*)(from))[0]) << 56) | \ | ||
(((uint64_t)((uint8_t*)(from))[1]) << 48) | \ | ||
(((uint64_t)((uint8_t*)(from))[2]) << 40) | \ | ||
(((uint64_t)((uint8_t*)(from))[3]) << 32) | \ | ||
(((uint64_t)((uint8_t*)(from))[4]) << 24) | \ | ||
(((uint64_t)((uint8_t*)(from))[5]) << 16) | \ | ||
(((uint64_t)((uint8_t*)(from))[6]) << 8) | \ | ||
(((uint64_t)((uint8_t*)(from))[7]) ) )) | ||
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#else // __LITTLE_ENDIAN__ | ||
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#define endian_be16(x) (x) | ||
#define endian_be32(x) (x) | ||
#define endian_be64(x) (x) | ||
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#define endian_load16(cast, from) ((cast)( \ | ||
(((uint16_t)((uint8_t*)(from))[0]) << 8) | \ | ||
(((uint16_t)((uint8_t*)(from))[1]) ) )) | ||
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#define endian_load32(cast, from) ((cast)( \ | ||
(((uint32_t)((uint8_t*)(from))[0]) << 24) | \ | ||
(((uint32_t)((uint8_t*)(from))[1]) << 16) | \ | ||
(((uint32_t)((uint8_t*)(from))[2]) << 8) | \ | ||
(((uint32_t)((uint8_t*)(from))[3]) ) )) | ||
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#define endian_load64(cast, from) ((cast)( \ | ||
(((uint64_t)((uint8_t*)(from))[0]) << 56) | \ | ||
(((uint64_t)((uint8_t*)(from))[1]) << 48) | \ | ||
(((uint64_t)((uint8_t*)(from))[2]) << 40) | \ | ||
(((uint64_t)((uint8_t*)(from))[3]) << 32) | \ | ||
(((uint64_t)((uint8_t*)(from))[4]) << 24) | \ | ||
(((uint64_t)((uint8_t*)(from))[5]) << 16) | \ | ||
(((uint64_t)((uint8_t*)(from))[6]) << 8) | \ | ||
(((uint64_t)((uint8_t*)(from))[7]) ) )) | ||
#endif | ||
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#define endian_store16(to, num) \ | ||
do { uint16_t val = endian_be16(num); memcpy(to, &val, 2); } while(0) | ||
#define endian_store32(to, num) \ | ||
do { uint32_t val = endian_be32(num); memcpy(to, &val, 4); } while(0) | ||
#define endian_store64(to, num) \ | ||
do { uint64_t val = endian_be64(num); memcpy(to, &val, 8); } while(0) | ||
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#endif // SYSDEP_H | ||
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