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ausearch-nvpair.h

/*
* ausearch-nvpair.h - Header file for ausearch-nvpair.c
* Copyright (c) 2006-07 Red Hat Inc., Durham, North Carolina.
* All Rights Reserved.
*
* This software may be freely redistributed and/or modified 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.
*
* 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; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Authors:
*   Steve Grubb <sgrubb@redhat.com>
*/

#ifndef AUNVPAIR_HEADER
#define AUNVPAIR_HEADER

#include "config.h"
#include <sys/types.h>

/* This is the node of the linked list. message & item are the only elements
 * at this time. Any data elements that are per item goes here. */
typedef struct _nvnode{
  char *name;           // The name string
  long val;       // The value field
  unsigned int item;    // Which item of the same event
  unsigned int hits;    // Number of times this string was attempted to be added
  struct _nvnode* next; // Next nvpair node pointer
} nvnode;

/* This is the linked list head. Only data elements that are 1 per
 * event goes here. */
typedef struct {
  nvnode *head;         // List head
  nvnode *cur;          // Pointer to current node
  unsigned int cnt;     // How many items in this list
} nvlist;

void nvlist_create(nvlist *l);
static inline void nvlist_first(nvlist *l) { l->cur = l->head; }
void nvlist_last(nvlist *l);
nvnode *nvlist_next(nvlist *l);
nvnode *nvlist_prev(nvlist *l);
static inline nvnode *nvlist_get_cur(nvlist *l) { return l->cur; }
void nvlist_append(nvlist *l, nvnode *node);
void nvlist_clear(nvlist* l);

/* Given a numeric index, find that record. */
int nvlist_find_item(nvlist *l, unsigned int i);
int nvlist_find_val(nvlist *l, long val);

/* append a string if its not already on the list */
//int nvlist_add_if_name_uniq(nvlist *l, const char *name, long val);
//int nvlist_add_if_val_uniq(nvlist *l, const char *name, long val);
//void nvlist_sort_by_hits(nvlist *l);

#endif


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