mirror of
https://github.com/PurpleI2P/i2pd.git
synced 2025-04-30 20:52:30 +02:00
161 lines
3.5 KiB
C++
161 lines
3.5 KiB
C++
/*
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* Copyright (c) 2013-2022, The PurpleI2P Project
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*
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* This file is part of Purple i2pd project and licensed under BSD3
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*
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* See full license text in LICENSE file at top of project tree
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*/
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#ifndef I2PENDIAN_H__
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#define I2PENDIAN_H__
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#include <inttypes.h>
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#include <string.h>
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#if defined(__FreeBSD__) || defined(__NetBSD__)
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#include <sys/endian.h>
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#elif defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__GLIBC__)
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#include <endian.h>
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#elif defined(__APPLE__) && defined(__MACH__)
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#include <libkern/OSByteOrder.h>
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#define htobe16(x) OSSwapHostToBigInt16(x)
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#define htole16(x) OSSwapHostToLittleInt16(x)
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#define be16toh(x) OSSwapBigToHostInt16(x)
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#define le16toh(x) OSSwapLittleToHostInt16(x)
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#define htobe32(x) OSSwapHostToBigInt32(x)
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#define htole32(x) OSSwapHostToLittleInt32(x)
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#define be32toh(x) OSSwapBigToHostInt32(x)
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#define le32toh(x) OSSwapLittleToHostInt32(x)
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#define htobe64(x) OSSwapHostToBigInt64(x)
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#define htole64(x) OSSwapHostToLittleInt64(x)
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#define be64toh(x) OSSwapBigToHostInt64(x)
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#define le64toh(x) OSSwapLittleToHostInt64(x)
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#elif defined(_WIN32)
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#define htobe16(x) __builtin_bswap16(x)
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#define htole16(x) (x)
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#define be16toh(x) __builtin_bswap16(x)
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#define le16toh(x) (x)
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#define htobe32(x) __builtin_bswap32(x)
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#define htole32(x) (x)
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#define be32toh(x) __builtin_bswap32(x)
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#define le32toh(x) (x)
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#define htobe64(x) __builtin_bswap64(x)
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#define htole64(x) (x)
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#define be64toh(x) __builtin_bswap64(x)
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#define le64toh(x) (x)
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#else
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#define NEEDS_LOCAL_ENDIAN
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#include <cstdint>
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uint16_t htobe16(uint16_t int16);
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uint32_t htobe32(uint32_t int32);
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uint64_t htobe64(uint64_t int64);
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uint16_t be16toh(uint16_t big16);
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uint32_t be32toh(uint32_t big32);
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uint64_t be64toh(uint64_t big64);
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// assume LittleEndine
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#define htole16
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#define htole32
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#define htole64
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#define le16toh
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#define le32toh
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#define le64toh
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#endif
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inline uint16_t buf16toh(const void *buf) {
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uint16_t b16;
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memcpy(&b16, buf, sizeof(uint16_t));
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return b16;
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}
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inline uint32_t buf32toh(const void *buf) {
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uint32_t b32;
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memcpy(&b32, buf, sizeof(uint32_t));
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return b32;
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}
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inline uint64_t buf64toh(const void *buf) {
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uint64_t b64;
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memcpy(&b64, buf, sizeof(uint64_t));
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return b64;
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}
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inline uint16_t bufbe16toh(const void *buf) {
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return be16toh(buf16toh(buf));
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}
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inline uint32_t bufbe32toh(const void *buf) {
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return be32toh(buf32toh(buf));
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}
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inline uint64_t bufbe64toh(const void *buf) {
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return be64toh(buf64toh(buf));
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}
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inline void htobuf16(void *buf, uint16_t b16) {
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memcpy(buf, &b16, sizeof(uint16_t));
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}
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inline void htobuf32(void *buf, uint32_t b32) {
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memcpy(buf, &b32, sizeof(uint32_t));
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}
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inline void htobuf64(void *buf, uint64_t b64) {
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memcpy(buf, &b64, sizeof(uint64_t));
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}
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inline void htobe16buf(void *buf, uint16_t big16) {
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htobuf16(buf, htobe16(big16));
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}
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inline void htobe32buf(void *buf, uint32_t big32) {
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htobuf32(buf, htobe32(big32));
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}
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inline void htobe64buf(void *buf, uint64_t big64) {
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htobuf64(buf, htobe64(big64));
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}
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inline void htole16buf(void *buf, uint16_t big16) {
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htobuf16(buf, htole16(big16));
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}
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inline void htole32buf(void *buf, uint32_t big32) {
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htobuf32(buf, htole32(big32));
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}
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inline void htole64buf(void *buf, uint64_t big64) {
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htobuf64(buf, htole64(big64));
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}
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inline uint16_t bufle16toh(const void *buf) {
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return le16toh(buf16toh(buf));
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}
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inline uint32_t bufle32toh(const void *buf) {
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return le32toh(buf32toh(buf));
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}
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inline uint64_t bufle64toh(const void *buf) {
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return le64toh(buf64toh(buf));
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}
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#endif // I2PENDIAN_H__
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