/usr/include/msgpack/sysdep.h is in libmsgpack-dev 0.5.7-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* 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 MSGPACK_SYSDEP_H__
#define MSGPACK_SYSDEP_H__
#include <stdlib.h>
#include <stddef.h>
#if defined(_MSC_VER) && _MSC_VER < 1600
typedef __int8 int8_t;
typedef unsigned __int8 uint8_t;
typedef __int16 int16_t;
typedef unsigned __int16 uint16_t;
typedef __int32 int32_t;
typedef unsigned __int32 uint32_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#elif defined(_MSC_VER) // && _MSC_VER >= 1600
#include <stdint.h>
#else
#include <stdint.h>
#include <stdbool.h>
#endif
#ifdef _WIN32
#define _msgpack_atomic_counter_header <windows.h>
typedef long _msgpack_atomic_counter_t;
#define _msgpack_sync_decr_and_fetch(ptr) InterlockedDecrement(ptr)
#define _msgpack_sync_incr_and_fetch(ptr) InterlockedIncrement(ptr)
#elif defined(__GNUC__) && ((__GNUC__*10 + __GNUC_MINOR__) < 41)
#define _msgpack_atomic_counter_header "gcc_atomic.h"
#else
typedef unsigned int _msgpack_atomic_counter_t;
#define _msgpack_sync_decr_and_fetch(ptr) __sync_sub_and_fetch(ptr, 1)
#define _msgpack_sync_incr_and_fetch(ptr) __sync_add_and_fetch(ptr, 1)
#endif
#ifdef _WIN32
#ifdef __cplusplus
/* numeric_limits<T>::min,max */
#ifdef max
#undef max
#endif
#ifdef min
#undef min
#endif
#endif
#else
#include <arpa/inet.h> /* __BYTE_ORDER */
#endif
#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
#ifdef __LITTLE_ENDIAN__
#ifdef _WIN32
# if defined(ntohs)
# define _msgpack_be16(x) ntohs(x)
# elif defined(_byteswap_ushort) || (defined(_MSC_VER) && _MSC_VER >= 1400)
# define _msgpack_be16(x) ((uint16_t)_byteswap_ushort((unsigned short)x))
# else
# define _msgpack_be16(x) ( \
((((uint16_t)x) << 8) ) | \
((((uint16_t)x) >> 8) ) )
# endif
#else
# define _msgpack_be16(x) ntohs(x)
#endif
#ifdef _WIN32
# if defined(ntohl)
# define _msgpack_be32(x) ntohl(x)
# elif defined(_byteswap_ulong) || (defined(_MSC_VER) && _MSC_VER >= 1400)
# define _msgpack_be32(x) ((uint32_t)_byteswap_ulong((unsigned long)x))
# else
# define _msgpack_be32(x) \
( ((((uint32_t)x) << 24) ) | \
((((uint32_t)x) << 8) & 0x00ff0000U ) | \
((((uint32_t)x) >> 8) & 0x0000ff00U ) | \
((((uint32_t)x) >> 24) ) )
# endif
#else
# define _msgpack_be32(x) ntohl(x)
#endif
#if defined(_byteswap_uint64) || (defined(_MSC_VER) && _MSC_VER >= 1400)
# define _msgpack_be64(x) (_byteswap_uint64(x))
#elif defined(bswap_64)
# define _msgpack_be64(x) bswap_64(x)
#elif defined(__DARWIN_OSSwapInt64)
# define _msgpack_be64(x) __DARWIN_OSSwapInt64(x)
#else
#define _msgpack_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
#define _msgpack_load16(cast, from) ((cast)( \
(((uint16_t)((uint8_t*)(from))[0]) << 8) | \
(((uint16_t)((uint8_t*)(from))[1]) ) ))
#define _msgpack_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]) ) ))
#define _msgpack_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]) ) ))
#else
#define _msgpack_be16(x) (x)
#define _msgpack_be32(x) (x)
#define _msgpack_be64(x) (x)
#define _msgpack_load16(cast, from) ((cast)( \
(((uint16_t)((uint8_t*)from)[0]) << 8) | \
(((uint16_t)((uint8_t*)from)[1]) ) ))
#define _msgpack_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]) ) ))
#define _msgpack_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
#define _msgpack_store16(to, num) \
do { uint16_t val = _msgpack_be16(num); memcpy(to, &val, 2); } while(0)
#define _msgpack_store32(to, num) \
do { uint32_t val = _msgpack_be32(num); memcpy(to, &val, 4); } while(0)
#define _msgpack_store64(to, num) \
do { uint64_t val = _msgpack_be64(num); memcpy(to, &val, 8); } while(0)
/*
#define _msgpack_load16(cast, from) \
({ cast val; memcpy(&val, (char*)from, 2); _msgpack_be16(val); })
#define _msgpack_load32(cast, from) \
({ cast val; memcpy(&val, (char*)from, 4); _msgpack_be32(val); })
#define _msgpack_load64(cast, from) \
({ cast val; memcpy(&val, (char*)from, 8); _msgpack_be64(val); })
*/
#endif /* msgpack/sysdep.h */
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