mirror of
https://github.com/MariaDB/server.git
synced 2025-01-17 04:22:27 +01:00
5b7347bda3
- Remove bothersome warning messages. This change focuses on the warnings that are covered by the ignore file: support-files/compiler_warnings.supp. - Strings are guaranteed to be max uint in length
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/* Copyright (C) 2000 MySQL AB
|
|
|
|
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
|
|
|
|
|
|
#include <my_global.h>
|
|
#include <my_sys.h>
|
|
#include <zlib.h>
|
|
|
|
/*
|
|
Calculate a long checksum for a memoryblock.
|
|
|
|
SYNOPSIS
|
|
my_checksum()
|
|
crc start value for crc
|
|
pos pointer to memory block
|
|
length length of the block
|
|
*/
|
|
|
|
ha_checksum my_checksum(ha_checksum crc, const uchar *pos, size_t length)
|
|
{
|
|
#ifdef NOT_USED
|
|
const uchar *end=pos+length;
|
|
for ( ; pos != end ; pos++)
|
|
crc=((crc << 8) + *((uchar*) pos)) + (crc >> (8*sizeof(ha_checksum)-8));
|
|
return crc;
|
|
#else
|
|
return (ha_checksum)crc32((uint)crc, pos, (uint)length);
|
|
#endif
|
|
}
|
|
|