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/* $Id: hash.h 840 2007-09-09 12:17:42Z michael $
* $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/hash.h $
*
* hashes (associative arrays)
*
* Copyright (C) 2003 Michael Reinelt <michael@reinelt.co.at>
* Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
*
* This file is part of LCD4Linux.
*
* LCD4Linux 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; either version 2, or (at your option)
* any later version.
*
* LCD4Linux 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef _HASH_H_
#define _HASH_H_
/* struct timeval */
#include <sys/time.h>
typedef struct {
int size;
char *value;
struct timeval timestamp;
} HASH_SLOT;
typedef struct {
char *key;
int val;
} HASH_COLUMN;
typedef struct {
char *key;
int index;
int nSlot;
HASH_SLOT *Slot;
} HASH_ITEM;
typedef struct {
int sorted;
struct timeval timestamp;
int nItems;
HASH_ITEM *Items;
int nColumns;
HASH_COLUMN *Columns;
char *delimiter;
} HASH;
void hash_create(HASH * Hash);
int hash_age(HASH * Hash, const char *key);
void hash_set_column(HASH * Hash, const int number, const char *column);
void hash_set_delimiter(HASH * Hash, const char *delimiter);
char *hash_get(HASH * Hash, const char *key, const char *column);
double hash_get_delta(HASH * Hash, const char *key, const char *column, const int delay);
double hash_get_regex(HASH * Hash, const char *key, const char *column, const int delay);
void hash_put(HASH * Hash, const char *key, const char *value);
void hash_put_delta(HASH * Hash, const char *key, const char *value);
void hash_destroy(HASH * Hash);
#endif
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