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/*
* Generic vector interface header.
* Copyright (C) 1997, 98 Kunihiro Ishiguro
*
* This file is part of GNU Zebra.
*
* GNU Zebra 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.
*
* GNU Zebra 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _ZEBRA_VECTOR_H
#define _ZEBRA_VECTOR_H
#include "memory.h"
/* struct for vector */
struct _vector {
unsigned int active; /* number of active slots */
unsigned int alloced; /* number of allocated slot */
void **index; /* index to data */
};
typedef struct _vector *vector;
#define VECTOR_MIN_SIZE 1
/* (Sometimes) usefull macros. This macro convert index expression to
array expression. */
/* Reference slot at given index, caller must ensure slot is active */
#define vector_slot(V,I) ((V)->index[(I)])
/* Number of active slots.
* Note that this differs from vector_count() as it the count returned
* will include any empty slots
*/
#define vector_active(V) ((V)->active)
/* Prototypes. */
extern vector vector_init(unsigned int size);
extern void vector_ensure(vector v, unsigned int num);
extern int vector_empty_slot(vector v);
extern int vector_set(vector v, void *val);
extern int vector_set_index(vector v, unsigned int i, void *val);
extern void vector_unset(vector v, unsigned int i);
extern void vector_unset_value(vector v, void *val);
extern void vector_remove(vector v, unsigned int ix);
extern void vector_compact(vector v);
extern unsigned int vector_count(vector v);
extern void vector_free(vector v);
extern vector vector_copy(vector v);
extern void *vector_lookup(vector, unsigned int);
extern void *vector_lookup_ensure(vector, unsigned int);
extern void vector_to_array(vector v, void ***dest, int *argc);
extern vector array_to_vector(void **src, int argc);
#endif /* _ZEBRA_VECTOR_H */
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