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my_byteorder.h
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#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 02110-1301 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(_WIN32) #define MY_BYTE_ORDER_ARCH_OPTIMIZED #include "byte_order_generic_x86.h" #elif defined(__x86_64__) #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 */