Endian.h File Reference

Endianness conversion. More...

#include <type_traits>
#include <cstring>
#include <cstdint>

Go to the source code of this file.

Macros
#define	ByteSwap16(i16)   ((i16 & 0x00FF) << 8 | (i16 & 0xFF00) >> 8)
#define	ByteSwap32(i32)   ((i32 & 0x000000FF) << 24 | (i32 & 0x0000FF00) << 8 | (i32 & 0x00FF0000) >> 8 | (i32 & 0xFF000000) >> 24)
#define	ByteSwap64(i64)
#define	SESE_LITTLE_ENDIAN
#define	ASSERT_FLOAT_SIZE   static_assert(sizeof(float) == 4, "Float size is not 4 bytes")
#define	ASSERT_DOUBLE_SIZE   static_assert(sizeof(double) == 8, "Double size is not 8 bytes")

Enumerations
enum class	EndianType { LITTLE , BIG }

Functions
template<typename T >
T	ToBigEndian16 (T t)
template<typename T >
T	ToBigEndian32 (T t)
template<typename T >
T	ToBigEndian64 (T t)
template<typename T >
T	ToLittleEndian16 (T t)
template<typename T >
T	ToLittleEndian32 (T t)
template<typename T >
T	ToLittleEndian64 (T t)
template<typename T >
T	FromBigEndian16 (T t)
template<typename T >
T	FromBigEndian32 (T t)
template<typename T >
T	FromBigEndian64 (T t)
template<typename T >
T	FromLittleEndian16 (T t)
template<typename T >
T	FromLittleEndian32 (T t)
template<typename T >
T	FromLittleEndian64 (T t)
template<typename T >
std::enable_if< sizeof(T)==2, T >::t	ToBigEndian (T t)
template<typename T >
std::enable_if< sizeof(T)==4, T >::t	ToBigEndian (T t)
template<typename T >
std::enable_if< sizeof(T)==8, T >::t	ToBigEndian (T t)
template<typename T >
T	ToLittleEndian (T t)
template<typename T >
std::enable_if< sizeof(T)==2, T >::t	FromBigEndian (T t)
template<typename T >
std::enable_if< sizeof(T)==4, T >::t	FromBigEndian (T t)
template<typename T >
std::enable_if< sizeof(T)==8, T >::t	FromBigEndian (T t)
template<typename T >
T	FromLittleEndian (T t)
template<>
float	ToBigEndian32 (float t)
template<>
double	ToBigEndian64 (double t)
template<>
float	ToLittleEndian32 (float t)
template<>
double	ToLittleEndian64 (double t)
template<>
float	FromBigEndian32 (float t)
template<>
double	FromBigEndian64 (double t)
template<>
float	FromLittleEndian32 (float t)
template<>
double	FromLittleEndian64 (double t)

Detailed Description

Endianness conversion.

Author

kaoru

Date

April 3, 2022

Macro Definition Documentation

ASSERT_DOUBLE_SIZE

#define ASSERT_DOUBLE_SIZE   static_assert(sizeof(double) == 8, "Double size is not 8 bytes")

Referenced by FromBigEndian64(), FromLittleEndian64(), ToBigEndian64(), and ToLittleEndian64().

ASSERT_FLOAT_SIZE

#define ASSERT_FLOAT_SIZE   static_assert(sizeof(float) == 4, "Float size is not 4 bytes")

Referenced by FromBigEndian32(), FromLittleEndian32(), ToBigEndian32(), and ToLittleEndian32().

ByteSwap16

#define ByteSwap16

(

i16

)

((i16 & 0x00FF) << 8 | (i16 & 0xFF00) >> 8)

Referenced by FromBigEndian(), FromBigEndian16(), ToBigEndian(), and ToBigEndian16().

ByteSwap32

#define ByteSwap32

(

i32

)

((i32 & 0x000000FF) << 24 | (i32 & 0x0000FF00) << 8 | (i32 & 0x00FF0000) >> 8 | (i32 & 0xFF000000) >> 24)

Referenced by FromBigEndian(), FromBigEndian32(), ToBigEndian(), and ToBigEndian32().

ByteSwap64

#define ByteSwap64

(

i64

)

Value:

    ((i64 & 0x00000000000000FF) << 56 |         \
            (i64 & 0x000000000000FF00) << 40 | \
            (i64 & 0x0000000000FF0000) << 24 | \
            (i64 & 0x00000000FF000000) << 8 |  \
            (i64 & 0x000000FF00000000) >> 8 |  \
            (i64 & 0x0000FF0000000000) >> 24 | \
            (i64 & 0x00FF000000000000) >> 40 | \
            (i64 & 0xFF00000000000000) >> 56)

Referenced by FromBigEndian(), FromBigEndian64(), ToBigEndian(), and ToBigEndian64().

SESE_LITTLE_ENDIAN

#define SESE_LITTLE_ENDIAN

Enumeration Type Documentation

EndianType

enum class EndianType

strong

Enumerator
LITTLE
BIG

Function Documentation

FromBigEndian() [1/3]

template<typename T >

std::enable_if< sizeof(T)==2, T >::t FromBigEndian ( T t )

inline

References ByteSwap16.

FromBigEndian() [2/3]

template<typename T >

std::enable_if< sizeof(T)==4, T >::t FromBigEndian ( T t )

inline

References ByteSwap32.

FromBigEndian() [3/3]

template<typename T >

std::enable_if< sizeof(T)==8, T >::t FromBigEndian ( T t )

inline

References ByteSwap64.

FromBigEndian16()

template<typename T >

T FromBigEndian16 ( T t )

inline

References ByteSwap16.

Referenced by sese::net::dns::DnsPackage::decode(), sese::net::dns::DnsPackage::decodeAnswers(), sese::net::dns::DnsPackage::decodeWords(), sese::net::IPv4Address::getPort(), sese::net::IPv6Address::getPort(), sese::internal::service::http::HttpConnectionEx::handleSettingsFrame(), and sese::net::Socket::readInt16().

FromBigEndian32() [1/2]

template<>

float FromBigEndian32 ( float t )

inline

References ASSERT_FLOAT_SIZE, and FromBigEndian32().

FromBigEndian32() [2/2]

template<typename T >

T FromBigEndian32 ( T t )

inline

References ByteSwap32.

Referenced by sese::Bitset32::Bitset32(), sese::net::dns::DnsPackage::decodeAnswers(), sese::SHA1Util::encode(), sese::Base64Converter::encodeBase62(), FromBigEndian32(), FromLittleEndian32(), sese::Bitset32::get(), sese::internal::service::http::HttpConnectionEx::handleGoawayFrame(), sese::internal::service::http::HttpConnectionEx::handleHeadersFrame(), sese::internal::service::http::HttpConnectionEx::handlePriorityFrame(), sese::internal::service::http::HttpConnectionEx::handleRstStreamFrame(), sese::internal::service::http::HttpConnectionEx::handleSettingsFrame(), sese::internal::service::http::HttpConnectionEx::handleWindowUpdate(), sese::Bitset32::operator+(), and sese::internal::service::http::HttpConnectionEx::readFrameHeader().

FromBigEndian64() [1/2]

template<>

double FromBigEndian64 ( double t )

inline

References ASSERT_DOUBLE_SIZE, and FromBigEndian64().

FromBigEndian64() [2/2]

template<typename T >

T FromBigEndian64 ( T t )

inline

References ByteSwap64.

Referenced by FromBigEndian64(), and FromLittleEndian64().

FromLittleEndian()

template<typename T >

T FromLittleEndian ( T t )

inline

FromLittleEndian16()

template<typename T >

T FromLittleEndian16 ( T t )

inline

FromLittleEndian32() [1/2]

template<>

float FromLittleEndian32 ( float t )

inline

References ASSERT_FLOAT_SIZE, and FromBigEndian32().

FromLittleEndian32() [2/2]

template<typename T >

T FromLittleEndian32 ( T t )

inline

FromLittleEndian64() [1/2]

template<>

double FromLittleEndian64 ( double t )

inline

References ASSERT_DOUBLE_SIZE, and FromBigEndian64().

FromLittleEndian64() [2/2]

template<typename T >

T FromLittleEndian64 ( T t )

inline

ToBigEndian() [1/3]

template<typename T >

std::enable_if< sizeof(T)==2, T >::t ToBigEndian ( T t )

inline

References ByteSwap16.

ToBigEndian() [2/3]

template<typename T >

std::enable_if< sizeof(T)==4, T >::t ToBigEndian ( T t )

inline

References ByteSwap32.

ToBigEndian() [3/3]

template<typename T >

std::enable_if< sizeof(T)==8, T >::t ToBigEndian ( T t )

inline

References ByteSwap64.

ToBigEndian16()

template<typename T >

T ToBigEndian16 ( T t )

inline

References ByteSwap16.

Referenced by sese::net::IPv4Address::create(), sese::net::IPv6Address::create(), sese::net::dns::DnsPackage::encode(), sese::net::dns::DnsPackage::encodeAnswers(), sese::net::dns::DnsPackage::encodeQuestions(), sese::net::dns::DnsPackage::Index::encodeWords(), sese::net::IPv6Address::getAddress(), sese::net::IPv4Address::IPv4Address(), sese::net::IPv6Address::IPv6Address(), sese::MemoryViewer::peer16(), sese::net::IPv4Address::setPort(), sese::net::IPv6Address::setPort(), sese::net::Socket::writeInt16(), and sese::internal::service::http::HttpConnectionEx::writeSettingsFrame().

ToBigEndian32() [1/2]

template<>

float ToBigEndian32 ( float t )

inline

References ASSERT_FLOAT_SIZE, and ToBigEndian32().

ToBigEndian32() [2/2]

template<typename T >

T ToBigEndian32 ( T t )

inline

References ByteSwap32.

Referenced by sese::net::http::Http2Frame::buildFrameHeader(), sese::Base64Converter::decodeBase62(), sese::net::dns::DnsPackage::encodeAnswers(), sese::net::IPv4Address::getBroadcastAddress(), sese::net::IPv4Address::getNetworkAddress(), sese::net::IPv4Address::getSubnetMask(), sese::net::IPv4Address::IPv4Address(), sese::Bitset32::operator+(), sese::MemoryViewer::peer32(), sese::Bitset32::set(), ToBigEndian32(), ToLittleEndian32(), sese::internal::service::http::HttpConnectionEx::writeGoawayFrame(), sese::internal::service::http::HttpConnectionEx::writeRstStreamFrame(), sese::internal::service::http::HttpConnectionEx::writeSettingsFrame(), and sese::internal::service::http::HttpConnectionEx::writeWindowUpdateFrame().

ToBigEndian64() [1/2]

template<>

double ToBigEndian64 ( double t )

inline

References ASSERT_DOUBLE_SIZE, and ToBigEndian64().

ToBigEndian64() [2/2]

template<typename T >

T ToBigEndian64 ( T t )

inline

References ByteSwap64.

Referenced by sese::SHA1Util::encode(), sese::SHA256Util::encode(), sese::MemoryViewer::peer64(), ToBigEndian64(), and ToLittleEndian64().

ToLittleEndian()

template<typename T >

T ToLittleEndian ( T t )

inline

Referenced by sese::SHA256Util::encode().

ToLittleEndian16()

template<typename T >

T ToLittleEndian16 ( T t )

inline

Referenced by sese::MemoryViewer::peer16().

ToLittleEndian32() [1/2]

template<>

float ToLittleEndian32 ( float t )

inline

References ASSERT_FLOAT_SIZE, and ToBigEndian32().

ToLittleEndian32() [2/2]

template<typename T >

T ToLittleEndian32 ( T t )

inline

Referenced by sese::net::IPv4Address::getAddress(), and sese::MemoryViewer::peer32().

ToLittleEndian64() [1/2]

template<>

double ToLittleEndian64 ( double t )

inline

References ASSERT_DOUBLE_SIZE, and ToBigEndian64().

ToLittleEndian64() [2/2]

template<typename T >

T ToLittleEndian64 ( T t )

inline

Referenced by sese::MD5Util::encode(), and sese::MemoryViewer::peer64().