diff options
Diffstat (limited to 'include/byte_order_generic.h')
| -rw-r--r-- | include/byte_order_generic.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/include/byte_order_generic.h b/include/byte_order_generic.h new file mode 100644 index 00000000..d2b729a2 --- /dev/null +++ b/include/byte_order_generic.h @@ -0,0 +1,96 @@ +/* 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) |