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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 GNU Zebra; see the file COPYING. If not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef _ZEBRA_VECTOR_H
#define _ZEBRA_VECTOR_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. */
vector vector_init (unsigned int size);
void vector_ensure (vector v, unsigned int num);
int vector_empty_slot (vector v);
int vector_set (vector v, void *val);
int vector_set_index (vector v, unsigned int i, void *val);
void vector_unset (vector v, unsigned int i);
unsigned int vector_count (vector v);
void vector_only_wrapper_free (vector v);
void vector_only_index_free (void *index);
void vector_free (vector v);
vector vector_copy (vector v);
void *vector_lookup (vector, unsigned int);
void *vector_lookup_ensure (vector, unsigned int);
#endif /* _ZEBRA_VECTOR_H */
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