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54 lines
2 KiB
C
54 lines
2 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 as published by
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the Free Software Foundation; version 2 of the License.
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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 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 02110-1335 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 an 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(_M_IX86)) && !defined(WITH_UBSAN)
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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__) || defined (_M_X64)) && !defined(WITH_UBSAN)
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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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