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Add byteswap.h.

This commit is contained in:
Jonas 'Sortie' Termansen 2013-02-14 14:23:51 +01:00
parent 7098317c09
commit bb1c80f68e
2 changed files with 79 additions and 0 deletions
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/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2013.
This file is part of the Sortix C Library.
The Sortix C Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
The Sortix C Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
__/byteswap.h
Convert byte ordering of integers.
*******************************************************************************/
#ifndef INCLUDE____BYTESWAP_H
#define INCLUDE____BYTESWAP_H
#include <features.h>
__BEGIN_DECLS
/* Use compiler builtins for efficient byte swapping. */
#define __bswap_16(x) __builtin_bswap16(x)
#define __bswap_32(x) __builtin_bswap32(x)
#define __bswap_64(x) __builtin_bswap64(x)
__END_DECLS
#endif

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/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2013.
This file is part of the Sortix C Library.
The Sortix C Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
The Sortix C Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
byteswap.h
Convert byte ordering of integers.
*******************************************************************************/
#ifndef _BYTESWAP_H
#define _BYTESWAP_H 1
#include <features.h>
#include <__/byteswap.h>
__BEGIN_DECLS
/* Easy byte swapping of integers. */
#define bswap_16(x) __bswap_16(x)
#define bswap_32(x) __bswap_32(x)
#define bswap_64(x) __bswap_64(x)
__END_DECLS
#endif