1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/*
* 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 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);
#endif /* _ZEBRA_VECTOR_H */
|
