mirror of
http://git.haproxy.org/git/haproxy.git/
synced 2024-12-11 14:05:12 +00:00
d3db94399f
Those will be used later, they return the largest and middle integer possible for a given variable or type.
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/*
|
|
* include/common/tools.h
|
|
* Trivial macros needed everywhere.
|
|
*
|
|
* Copyright (C) 2000-2011 Willy Tarreau - w@1wt.eu
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation, version 2.1
|
|
* exclusively.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef _COMMON_TOOLS_H
|
|
#define _COMMON_TOOLS_H
|
|
|
|
#include <sys/param.h>
|
|
#include <common/config.h>
|
|
|
|
#ifndef MIN
|
|
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
|
|
#endif
|
|
|
|
#ifndef MAX
|
|
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
|
|
#endif
|
|
|
|
/* return an integer of type <ret> with only the highest bit set. <ret> may be
|
|
* both a variable or a type.
|
|
*/
|
|
#define MID_RANGE(ret) ((typeof(ret))1 << (8*sizeof(ret) - 1))
|
|
|
|
/* return the largest possible integer of type <ret>, with all bits set */
|
|
#define MAX_RANGE(ret) (~(typeof(ret))0)
|
|
|
|
#endif /* _COMMON_TOOLS_H */
|
|
|
|
/*
|
|
* Local variables:
|
|
* c-indent-level: 8
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|