Current File : //usr/include/mysql/server/my_byteorder.h
#ifndef MY_BYTEORDER_INCLUDED
#define MY_BYTEORDER_INCLUDED
/* Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
/*
Macro for reading 32-bit integer from network byte order (big-endian)
from an unaligned memory location.
*/
#define int4net(A) (int32) (((uint32) ((uchar) (A)[3])) | \
(((uint32) ((uchar) (A)[2])) << 8) | \
(((uint32) ((uchar) (A)[1])) << 16) | \
(((uint32) ((uchar) (A)[0])) << 24))
/*
Function-like macros for reading and storing in machine independent
format (low byte first). There are 'korr' (assume 'corrector') variants
for integer types, but 'get' (assume 'getter') for floating point types.
*/
#if (defined(__i386__) || defined(_M_IX86)) && !defined(WITH_UBSAN)
#define MY_BYTE_ORDER_ARCH_OPTIMIZED
#include "byte_order_generic_x86.h"
#elif (defined(__x86_64__) || defined (_M_X64)) && !defined(WITH_UBSAN)
#include "byte_order_generic_x86_64.h"
#else
#include "byte_order_generic.h"
#endif
/*
Function-like macros for reading and storing in machine format from/to
short/long to/from some place in memory V should be a variable (not on
a register) and M a pointer to byte.
*/
#ifdef WORDS_BIGENDIAN
#include "big_endian.h"
#else
#include "little_endian.h"
#endif
#endif /* MY_BYTEORDER_INCLUDED */
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