67 lines
2.6 KiB
C
67 lines
2.6 KiB
C
#ifndef MY_BYTEORDER_INCLUDED
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#define MY_BYTEORDER_INCLUDED
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/* Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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Without limiting anything contained in the foregoing, this file,
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which is part of C Driver for MySQL (Connector/C), is also subject to the
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Universal FOSS Exception, version 1.0, a copy of which can be found at
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http://oss.oracle.com/licenses/universal-foss-exception.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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/*
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Macro for reading 32-bit integer from network byte order (big-endian)
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from a unaligned memory location.
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*/
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#define int4net(A) (int32) (((uint32) ((uchar) (A)[3])) | \
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(((uint32) ((uchar) (A)[2])) << 8) | \
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(((uint32) ((uchar) (A)[1])) << 16) | \
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(((uint32) ((uchar) (A)[0])) << 24))
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/*
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Function-like macros for reading and storing in machine independent
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format (low byte first). There are 'korr' (assume 'corrector') variants
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for integer types, but 'get' (assume 'getter') for floating point types.
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*/
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#if defined(__i386__) || defined(_WIN32)
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#define MY_BYTE_ORDER_ARCH_OPTIMIZED
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#include "byte_order_generic_x86.h"
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#elif defined(__x86_64__)
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#include "byte_order_generic_x86_64.h"
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#else
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#include "byte_order_generic.h"
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#endif
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/*
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Function-like macros for reading and storing in machine format from/to
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short/long to/from some place in memory V should be a variable (not on
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a register) and M a pointer to byte.
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*/
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#ifdef WORDS_BIGENDIAN
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#include "big_endian.h"
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#else
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#include "little_endian.h"
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#endif
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#endif /* MY_BYTEORDER_INCLUDED */
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