mirror of
https://github.com/PurpleI2P/i2pd.git
synced 2024-11-04 06:00:37 +00:00
191 lines
3.9 KiB
C++
191 lines
3.9 KiB
C++
/*
|
|
* Copyright (c) 2013-2022, The PurpleI2P Project
|
|
*
|
|
* This file is part of Purple i2pd project and licensed under BSD3
|
|
*
|
|
* See full license text in LICENSE file at top of project tree
|
|
*/
|
|
|
|
#ifndef I2PENDIAN_H__
|
|
#define I2PENDIAN_H__
|
|
#include <inttypes.h>
|
|
#include <string.h>
|
|
|
|
#if defined(__FreeBSD__) || defined(__NetBSD__)
|
|
#include <sys/endian.h>
|
|
|
|
#elif defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__GLIBC__) || defined(__HAIKU__)
|
|
#include <endian.h>
|
|
|
|
#elif defined(__APPLE__) && defined(__MACH__)
|
|
#include <libkern/OSByteOrder.h>
|
|
|
|
#define htobe16(x) OSSwapHostToBigInt16(x)
|
|
#define htole16(x) OSSwapHostToLittleInt16(x)
|
|
#define be16toh(x) OSSwapBigToHostInt16(x)
|
|
#define le16toh(x) OSSwapLittleToHostInt16(x)
|
|
|
|
#define htobe32(x) OSSwapHostToBigInt32(x)
|
|
#define htole32(x) OSSwapHostToLittleInt32(x)
|
|
#define be32toh(x) OSSwapBigToHostInt32(x)
|
|
#define le32toh(x) OSSwapLittleToHostInt32(x)
|
|
|
|
#define htobe64(x) OSSwapHostToBigInt64(x)
|
|
#define htole64(x) OSSwapHostToLittleInt64(x)
|
|
#define be64toh(x) OSSwapBigToHostInt64(x)
|
|
#define le64toh(x) OSSwapLittleToHostInt64(x)
|
|
|
|
#elif defined(_WIN32)
|
|
#if defined(_MSC_VER)
|
|
#include <stdlib.h>
|
|
#define htobe16(x) _byteswap_ushort(x)
|
|
#define htole16(x) (x)
|
|
#define be16toh(x) _byteswap_ushort(x)
|
|
#define le16toh(x) (x)
|
|
|
|
#define htobe32(x) _byteswap_ulong(x)
|
|
#define htole32(x) (x)
|
|
#define be32toh(x) _byteswap_ulong(x)
|
|
#define le32toh(x) (x)
|
|
|
|
#define htobe64(x) _byteswap_uint64(x)
|
|
#define htole64(x) (x)
|
|
#define be64toh(x) _byteswap_uint64(x)
|
|
#define le64toh(x) (x)
|
|
#else
|
|
#define htobe16(x) __builtin_bswap16(x)
|
|
#define htole16(x) (x)
|
|
#define be16toh(x) __builtin_bswap16(x)
|
|
#define le16toh(x) (x)
|
|
|
|
#define htobe32(x) __builtin_bswap32(x)
|
|
#define htole32(x) (x)
|
|
#define be32toh(x) __builtin_bswap32(x)
|
|
#define le32toh(x) (x)
|
|
|
|
#define htobe64(x) __builtin_bswap64(x)
|
|
#define htole64(x) (x)
|
|
#define be64toh(x) __builtin_bswap64(x)
|
|
#define le64toh(x) (x)
|
|
#endif
|
|
|
|
#else
|
|
#define NEEDS_LOCAL_ENDIAN
|
|
#include <cstdint>
|
|
uint16_t htobe16(uint16_t int16);
|
|
uint32_t htobe32(uint32_t int32);
|
|
uint64_t htobe64(uint64_t int64);
|
|
|
|
uint16_t be16toh(uint16_t big16);
|
|
uint32_t be32toh(uint32_t big32);
|
|
uint64_t be64toh(uint64_t big64);
|
|
|
|
// assume LittleEndine
|
|
#define htole16
|
|
#define htole32
|
|
#define htole64
|
|
#define le16toh
|
|
#define le32toh
|
|
#define le64toh
|
|
|
|
#endif
|
|
|
|
inline uint16_t buf16toh(const void *buf)
|
|
{
|
|
uint16_t b16;
|
|
memcpy(&b16, buf, sizeof(uint16_t));
|
|
return b16;
|
|
}
|
|
|
|
inline uint32_t buf32toh(const void *buf)
|
|
{
|
|
uint32_t b32;
|
|
memcpy(&b32, buf, sizeof(uint32_t));
|
|
return b32;
|
|
}
|
|
|
|
inline uint64_t buf64toh(const void *buf)
|
|
{
|
|
uint64_t b64;
|
|
memcpy(&b64, buf, sizeof(uint64_t));
|
|
return b64;
|
|
}
|
|
|
|
inline uint16_t bufbe16toh(const void *buf)
|
|
{
|
|
return be16toh(buf16toh(buf));
|
|
}
|
|
|
|
inline uint32_t bufbe32toh(const void *buf)
|
|
{
|
|
return be32toh(buf32toh(buf));
|
|
}
|
|
|
|
inline uint64_t bufbe64toh(const void *buf)
|
|
{
|
|
return be64toh(buf64toh(buf));
|
|
}
|
|
|
|
inline void htobuf16(void *buf, uint16_t b16)
|
|
{
|
|
memcpy(buf, &b16, sizeof(uint16_t));
|
|
}
|
|
|
|
inline void htobuf32(void *buf, uint32_t b32)
|
|
{
|
|
memcpy(buf, &b32, sizeof(uint32_t));
|
|
}
|
|
|
|
inline void htobuf64(void *buf, uint64_t b64)
|
|
{
|
|
memcpy(buf, &b64, sizeof(uint64_t));
|
|
}
|
|
|
|
inline void htobe16buf(void *buf, uint16_t big16)
|
|
{
|
|
htobuf16(buf, htobe16(big16));
|
|
}
|
|
|
|
inline void htobe32buf(void *buf, uint32_t big32)
|
|
{
|
|
htobuf32(buf, htobe32(big32));
|
|
}
|
|
|
|
inline void htobe64buf(void *buf, uint64_t big64)
|
|
{
|
|
htobuf64(buf, htobe64(big64));
|
|
}
|
|
|
|
inline void htole16buf(void *buf, uint16_t big16)
|
|
{
|
|
htobuf16(buf, htole16(big16));
|
|
}
|
|
|
|
inline void htole32buf(void *buf, uint32_t big32)
|
|
{
|
|
htobuf32(buf, htole32(big32));
|
|
}
|
|
|
|
inline void htole64buf(void *buf, uint64_t big64)
|
|
{
|
|
htobuf64(buf, htole64(big64));
|
|
}
|
|
|
|
inline uint16_t bufle16toh(const void *buf)
|
|
{
|
|
return le16toh(buf16toh(buf));
|
|
}
|
|
|
|
inline uint32_t bufle32toh(const void *buf)
|
|
{
|
|
return le32toh(buf32toh(buf));
|
|
}
|
|
|
|
inline uint64_t bufle64toh(const void *buf)
|
|
{
|
|
return le64toh(buf64toh(buf));
|
|
}
|
|
|
|
#endif // I2PENDIAN_H__
|
|
|