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byte_order_generic.h
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/* Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. Copyright (c) 2020, MariaDB Corporation. 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 */ /* Endianness-independent definitions for architectures other than the x86 architecture. */ #define sint2korr(A) (int16) (((int16) ((uchar) (A)[0])) |\ ((int16) ((int16) (A)[1]) << 8)) #define sint3korr(A) ((int32) ((((uchar) (A)[2]) & 128) ? \ (((uint32) 255L << 24) | \ (((uint32) (uchar) (A)[2]) << 16) |\ (((uint32) (uchar) (A)[1]) << 8) | \ ((uint32) (uchar) (A)[0])) : \ (((uint32) (uchar) (A)[2]) << 16) |\ (((uint32) (uchar) (A)[1]) << 8) | \ ((uint32) (uchar) (A)[0]))) #define sint4korr(A) (int32) (((uint32) ((uchar) (A)[0])) |\ (((uint32) ((uchar) (A)[1]) << 8)) |\ (((uint32) ((uchar) (A)[2]) << 16)) |\ (((uint32) ((uchar) (A)[3]) << 24))) #define sint8korr(A) (longlong) uint8korr(A) #define uint2korr(A) (uint16) (((uint16) ((uchar) (A)[0])) |\ ((uint16) ((uchar) (A)[1]) << 8)) #define uint3korr(A) (uint32) (((uint32) ((uchar) (A)[0])) |\ (((uint32) ((uchar) (A)[1])) << 8) |\ (((uint32) ((uchar) (A)[2])) << 16)) #define uint4korr(A) (uint32) (((uint32) ((uchar) (A)[0])) |\ (((uint32) ((uchar) (A)[1])) << 8) |\ (((uint32) ((uchar) (A)[2])) << 16) |\ (((uint32) ((uchar) (A)[3])) << 24)) #define uint5korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) |\ (((uint32) ((uchar) (A)[1])) << 8) |\ (((uint32) ((uchar) (A)[2])) << 16) |\ (((uint32) ((uchar) (A)[3])) << 24)) |\ (((ulonglong) ((uchar) (A)[4])) << 32)) #define uint6korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) | \ (((uint32) ((uchar) (A)[1])) << 8) | \ (((uint32) ((uchar) (A)[2])) << 16) | \ (((uint32) ((uchar) (A)[3])) << 24)) | \ (((ulonglong) ((uchar) (A)[4])) << 32) | \ (((ulonglong) ((uchar) (A)[5])) << 40)) #define uint8korr(A) ((ulonglong)(((uint32) ((uchar) (A)[0])) |\ (((uint32) ((uchar) (A)[1])) << 8) |\ (((uint32) ((uchar) (A)[2])) << 16) |\ (((uint32) ((uchar) (A)[3])) << 24)) |\ (((ulonglong) (((uint32) ((uchar) (A)[4])) |\ (((uint32) ((uchar) (A)[5])) << 8) |\ (((uint32) ((uchar) (A)[6])) << 16) |\ (((uint32) ((uchar) (A)[7])) << 24))) <<\ 32)) #define int2store(T,A) do { uint def_temp= (uint) (A) ;\ *((uchar*) (T))= (uchar)(def_temp); \ *((uchar*) (T)+1)=(uchar)((def_temp >> 8)); \ } while(0) #define int3store(T,A) do { /*lint -save -e734 */\ *((uchar*)(T))=(uchar) ((A));\ *((uchar*) (T)+1)=(uchar) (((A) >> 8));\ *((uchar*)(T)+2)=(uchar) (((A) >> 16)); \ /*lint -restore */} while(0) #define int4store(T,A) do { *((char *)(T))=(char) ((A));\ *(((char *)(T))+1)=(char) (((A) >> 8));\ *(((char *)(T))+2)=(char) (((A) >> 16));\ *(((char *)(T))+3)=(char) (((A) >> 24));\ } while(0) #define int5store(T,A) do { *((char *)(T))= (char)((A)); \ *(((char *)(T))+1)= (char)(((A) >> 8)); \ *(((char *)(T))+2)= (char)(((A) >> 16)); \ *(((char *)(T))+3)= (char)(((A) >> 24)); \ *(((char *)(T))+4)= (char)(((A) >> 32)); \ } while(0) #define int6store(T,A) do { *((char *)(T))= (char)((A)); \ *(((char *)(T))+1)= (char)(((A) >> 8)); \ *(((char *)(T))+2)= (char)(((A) >> 16)); \ *(((char *)(T))+3)= (char)(((A) >> 24)); \ *(((char *)(T))+4)= (char)(((A) >> 32)); \ *(((char *)(T))+5)= (char)(((A) >> 40)); \ } while(0) #define int8store(T,A) do { uint def_temp= (uint) (A), \ def_temp2= (uint) ((A) >> 32); \ int4store((T),def_temp); \ int4store((T+4),def_temp2);\ } while(0)