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Moved endianness change functions to endianness.h.

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This commit is contained in:
Matias Fontanini
2012-09-03 23:58:43 -03:00
parent 279940c398
commit 832a79a1e1
39 changed files with 482 additions and 557 deletions
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149
include/utils.h
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@@ -19,8 +19,8 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __UTILS_H
#define __UTILS_H
#ifndef TINS_UTILS_H
#define TINS_UTILS_H
#include <stdexcept>
@@ -142,149 +142,6 @@ namespace Tins {
*/
template<class ForwardIterator>
void route_entries(ForwardIterator output);
/**
* \brief Changes a 16-bit integral value's endianess.
*
* \param data The data to convert.
*/
inline uint16_t change_endian(uint16_t data) {
return ((data & 0xff00) >> 8) | ((data & 0x00ff) << 8);
}
/**
* \brief Changes a 32-bit integral value's endianess.
*
* \param data The data to convert.
*/
inline uint32_t change_endian(uint32_t data) {
return (((data & 0xff000000) >> 24) | ((data & 0x00ff0000) >> 8) |
((data & 0x0000ff00) << 8) | ((data & 0x000000ff) << 24));
}
/**
* \brief Changes a 64-bit integral value's endianess.
*
* \param data The data to convert.
*/
inline uint64_t change_endian(uint64_t data) {
return (((uint64_t)(change_endian((uint32_t)((data << 32) >> 32))) << 32) |
(change_endian(((uint32_t)(data >> 32)))));
}
#if TINS_IS_LITTLE_ENDIAN
/**
* \brief Convert any integral type to big endian.
*
* \param data The data to convert.
*/
template<typename T>
inline T host_to_be(T data) {
return change_endian(data);
}
/**
* \brief Convert any integral type to little endian.
*
* On little endian platforms, the parameter is simply returned.
*
* \param data The data to convert.
*/
template<typename T>
inline T host_to_le(T data) {
return data;
}
/**
* \brief Convert any big endian value to the host's endianess.
*
* \param data The data to convert.
*/
template<typename T>
inline T be_to_host(T data) {
return change_endian(data);
}
/**
* \brief Convert any little endian value to the host's endianess.
*
* \param data The data to convert.
*/
template<typename T>
inline T le_to_host(T data) {
return data;
}
#elif TINS_IS_BIG_ENDIAN
/**
* \brief Convert any integral type to big endian.
*
* \param data The data to convert.
*/
template<typename T>
inline T host_to_be(T data) {
return data;
}
/**
* \brief Convert any integral type to little endian.
*
* On little endian platforms, the parameter is simply returned.
*
* \param data The data to convert.
*/
template<typename T>
inline T host_to_le(T data) {
return change_endian(data);
}
/**
* \brief Convert any big endian value to the host's endianess.
*
* \param data The data to convert.
*/
template<typename T>
inline T be_to_host(T data) {
return data;
}
/**
* \brief Convert any little endian value to the host's endianess.
*
* \param data The data to convert.
*/
template<typename T>
inline T le_to_host(T data) {
return change_endian(data);
}
#endif
/** \brief Convert 16 bit integer into network byte order.
*
* \param data The data to convert.
*/
inline uint16_t net_to_host_s(uint16_t data) {
return ((data & 0xff00) >> 8) | ((data & 0x00ff) << 8);
}
/**
* \brief Convert 32 bit integer into network byte order.
*
* \param data The data to convert.
*/
inline uint32_t net_to_host_l(uint32_t data) {
return (((data & 0xff000000) >> 24) | ((data & 0x00ff0000) >> 8) |
((data & 0x0000ff00) << 8) | ((data & 0x000000ff) << 24));
}
/**
* \brief Convert 64 bit integer into network byte order.
*
* \param data The data to convert.
*/
inline uint64_t net_to_host_ll(uint64_t data) {
return (((uint64_t)(net_to_host_l((uint32_t)((data << 32) >> 32))) << 32) |
(net_to_host_l(((uint32_t)(data >> 32)))));
}
/** \brief Returns the 32 bit crc of the given buffer.
*
@@ -371,4 +228,4 @@ void Tins::Utils::route_entries(ForwardIterator output) {
}
}
#endif
#endif // TINS_UTILS_H