| paul | 718e374 | 2002-12-13 20:15:29 +0000 | [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 | { |
| 29 | unsigned int max; /* max number of used slot */ |
| 30 | unsigned int alloced; /* number of allocated slot */ |
| 31 | void **index; /* index to data */ |
| 32 | }; |
| 33 | typedef struct _vector *vector; |
| 34 | |
| 35 | #define VECTOR_MIN_SIZE 1 |
| 36 | |
| 37 | /* (Sometimes) usefull macros. This macro convert index expression to |
| 38 | array expression. */ |
| 39 | #define vector_slot(V,I) ((V)->index[(I)]) |
| 40 | #define vector_max(V) ((V)->max) |
| 41 | |
| 42 | /* Prototypes. */ |
| 43 | vector vector_init (unsigned int size); |
| 44 | void vector_ensure (vector v, unsigned int num); |
| 45 | int vector_empty_slot (vector v); |
| 46 | int vector_set (vector v, void *val); |
| 47 | int vector_set_index (vector v, unsigned int i, void *val); |
| 48 | void vector_unset (vector v, unsigned int i); |
| 49 | unsigned int vector_count (vector v); |
| 50 | void vector_only_wrapper_free (vector v); |
| 51 | void vector_only_index_free (void *index); |
| 52 | void vector_free (vector v); |
| 53 | vector vector_copy (vector v); |
| 54 | |
| 55 | void *vector_lookup (vector, unsigned int); |
| 56 | void *vector_lookup_ensure (vector, unsigned int); |
| 57 | |
| 58 | #endif /* _ZEBRA_VECTOR_H */ |