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8dc94dba65
some Fixme's processed documented some code git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@456 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
125 lines
3.5 KiB
C
125 lines
3.5 KiB
C
/* $Id: hash.h,v 1.12 2004/06/01 06:45:30 reinelt Exp $
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*
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* hashes (associative arrays)
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*
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* Copyright 1999-2003 Michael Reinelt <reinelt@eunet.at>
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* Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
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*
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* This file is part of LCD4Linux.
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*
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* LCD4Linux is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* LCD4Linux is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*
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* $Log: hash.h,v $
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* Revision 1.12 2004/06/01 06:45:30 reinelt
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*
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* some Fixme's processed
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* documented some code
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*
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* Revision 1.11 2004/03/11 06:39:59 reinelt
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* big patch from Martin:
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* - reuse filehandles
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* - memory leaks fixed
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* - earlier busy-flag checking with HD44780
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* - reuse memory for strings in RESULT and hash
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* - netdev_fast to wavid time-consuming regex
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*
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* Revision 1.10 2004/03/03 04:44:16 reinelt
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* changes (cosmetics?) to the big patch from Martin
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* hash patch un-applied
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*
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* Revision 1.9 2004/03/03 03:47:04 reinelt
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* big patch from Martin Hejl:
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* - use qprintf() where appropriate
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* - save CPU cycles on gettimeofday()
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* - add quit() functions to free allocated memory
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* - fixed lots of memory leaks
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*
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* Revision 1.8 2004/02/27 06:07:55 reinelt
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* hash improvements from Martin
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*
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* Revision 1.7 2004/01/21 14:29:03 reinelt
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* new helper 'hash_get_regex' which delivers the sum over regex matched items
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* new function 'disk()' which uses this regex matching
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*
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* Revision 1.6 2004/01/21 10:48:17 reinelt
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* hash_age function added
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*
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* Revision 1.5 2004/01/18 09:01:45 reinelt
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* /proc/stat parsing finished
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*
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* Revision 1.4 2004/01/16 11:12:26 reinelt
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* some bugs in plugin_xmms fixed, parsing moved to own function
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* plugin_proc_stat nearly finished
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*
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* Revision 1.3 2004/01/16 07:26:25 reinelt
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* moved various /proc parsing to own functions
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* made some progress with /proc/stat parsing
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*
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* Revision 1.2 2004/01/16 05:04:53 reinelt
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* started plugin proc_stat which should parse /proc/stat
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* which again is a paint in the a**
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* thinking over implementation methods of delta functions
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* (CPU load, ...)
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*
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* Revision 1.1 2004/01/13 10:03:01 reinelt
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* new util 'hash' for associative arrays
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* new plugin 'cpuinfo'
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*
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*/
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#ifndef _HASH_H_
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#define _HASH_H_
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// struct timeval
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#include <sys/time.h>
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typedef struct timeval timeval;
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typedef struct {
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timeval time;
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double val;
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} HASH_SLOT;
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typedef struct {
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char *key;
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char *val;
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int len;
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timeval time;
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int root;
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HASH_SLOT *Slot;
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} HASH_ITEM;
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typedef struct {
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int sorted;
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timeval time;
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int nItems;
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HASH_ITEM *Items;
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} HASH;
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void hash_set (HASH *Hash, char *key, char *val);
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void hash_set_delta (HASH *Hash, char *key, char *val);
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int hash_age (HASH *Hash, char *key, char **value);
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char *hash_get (HASH *Hash, char *key);
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double hash_get_delta (HASH *Hash, char *key, int delay);
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double hash_get_regex (HASH *Hash, char *key, int delay);
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void hash_destroy (HASH *Hash);
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#endif
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