| Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 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 */ |