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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)