projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| 718e3744 | 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 | * | |
| 896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
| 18 | * with this program; see the file COPYING; if not, write to the Free Software | |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 718e3744 | 20 | */ |
| 21 | ||
| 22 | #ifndef _ZEBRA_VECTOR_H | |
| 23 | #define _ZEBRA_VECTOR_H | |
| 24 | ||
| 4a1ab8e4 | 25 | #include "memory.h" |
| 4a1ab8e4 | 26 | |
| 718e3744 | 27 | /* struct for vector */ |
| 28 | struct _vector | |
| 29 | { | |
| 55468c86 | 30 | unsigned int active; /* number of active slots */ |
| 718e3744 | 31 | unsigned int alloced; /* number of allocated slot */ |
| 32 | void **index; /* index to data */ | |
| 33 | }; | |
| 34 | typedef struct _vector *vector; | |
| 35 | ||
| 36 | #define VECTOR_MIN_SIZE 1 | |
| 37 | ||
| 38 | /* (Sometimes) usefull macros. This macro convert index expression to | |
| 39 | array expression. */ | |
| 55468c86 | 40 | /* Reference slot at given index, caller must ensure slot is active */ |
| 718e3744 | 41 | #define vector_slot(V,I) ((V)->index[(I)]) |
| 55468c86 | 42 | /* Number of active slots. |
| 43 | * Note that this differs from vector_count() as it the count returned | |
| 44 | * will include any empty slots | |
| 45 | */ | |
| 46 | #define vector_active(V) ((V)->active) | |
| 718e3744 | 47 | |
| 48 | /* Prototypes. */ | |
| 8cc4198f | 49 | extern vector vector_init (unsigned int size); |
| 50 | extern void vector_ensure (vector v, unsigned int num); | |
| 51 | extern int vector_empty_slot (vector v); | |
| 52 | extern int vector_set (vector v, void *val); | |
| 53 | extern int vector_set_index (vector v, unsigned int i, void *val); | |
| 54 | extern void vector_unset (vector v, unsigned int i); | |
| 0d9e2046 DL |
55 | extern void vector_unset_value (vector v, void *val); |
| 56 | ||
| 8cc4198f | 57 | extern unsigned int vector_count (vector v); |
| 8cc4198f | 58 | extern void vector_free (vector v); |
| 59 | extern vector vector_copy (vector v); | |
| 718e3744 | 60 | |
| 8cc4198f | 61 | extern void *vector_lookup (vector, unsigned int); |
| 62 | extern void *vector_lookup_ensure (vector, unsigned int); | |
| 718e3744 | 63 | |
| 64 | #endif /* _ZEBRA_VECTOR_H */ |