libosmovty  0.6.3
Osmocom VTY library
vector.h
1 /*
2  * Generic vector interface header.
3  * Copyright (C) 1997, 98 Kunihiro Ishiguro
4  *
5  * This file is part of GNU Zebra.
6  *
7  * GNU Zebra is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License as published by the
9  * Free Software Foundation; either version 2, or (at your option) any
10  * later version.
11  *
12  * GNU Zebra is distributed in the hope that it will be useful, but
13  * WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with GNU Zebra; see the file COPYING. If not, write to the Free
19  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
20  * 02111-1307, USA.
21  */
22 
23 #ifndef _ZEBRA_VECTOR_H
24 #define _ZEBRA_VECTOR_H
25 
26 /* struct for vector */
27 struct _vector {
28  unsigned int active; /* number of active slots */
29  unsigned int alloced; /* number of allocated slot */
30  void **index; /* index to data */
31 };
32 typedef struct _vector *vector;
33 
34 #define VECTOR_MIN_SIZE 1
35 
36 /* (Sometimes) usefull macros. This macro convert index expression to
37  array expression. */
38 /* Reference slot at given index, caller must ensure slot is active */
39 #define vector_slot(V,I) ((V)->index[(I)])
40 /* Number of active slots.
41  * Note that this differs from vector_count() as it the count returned
42  * will include any empty slots
43  */
44 #define vector_active(V) ((V)->active)
45 
46 /* Prototypes. */
47 vector vector_init(unsigned int size);
48 void vector_ensure(vector v, unsigned int num);
49 int vector_empty_slot(vector v);
50 int vector_set(vector v, void *val);
51 int vector_set_index(vector v, unsigned int i, void *val);
52 void vector_unset(vector v, unsigned int i);
53 unsigned int vector_count(vector v);
54 void vector_only_wrapper_free(vector v);
55 void vector_only_index_free(void *index);
56 void vector_free(vector v);
57 vector vector_copy(vector v);
58 
59 void *vector_lookup(vector, unsigned int);
60 void *vector_lookup_ensure(vector, unsigned int);
61 
62 extern void *tall_vty_vec_ctx;
63 
64 #endif /* _ZEBRA_VECTOR_H */