Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 1 | /************************************************************************** |
| 2 | * |
| 3 | * Copyright 2008 VMware, Inc. |
| 4 | * All Rights Reserved. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the |
| 8 | * "Software"), to deal in the Software without restriction, including |
| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
| 11 | * permit persons to whom the Software is furnished to do so, subject to |
| 12 | * the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the |
| 15 | * next paragraph) shall be included in all copies or substantial portions |
| 16 | * of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| 21 | * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
| 22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 25 | * |
| 26 | **************************************************************************/ |
| 27 | |
| 28 | /** |
| 29 | * General purpose hash table. |
| 30 | * |
| 31 | * @author José Fonseca <jfonseca@vmware.com> |
| 32 | */ |
| 33 | |
| 34 | #ifndef U_HASH_TABLE_H_ |
| 35 | #define U_HASH_TABLE_H_ |
| 36 | |
Emil Velikov | f4d14f1 | 2015-08-07 16:44:33 +0100 | [diff] [blame] | 37 | #ifdef HAVE_CONFIG_H |
| 38 | #include "config.h" |
| 39 | #endif |
| 40 | |
| 41 | #include "libdrm_macros.h" |
| 42 | |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 43 | /** |
| 44 | * Generic purpose hash table. |
| 45 | */ |
| 46 | struct util_hash_table; |
| 47 | |
| 48 | /** |
| 49 | * Create an hash table. |
| 50 | * |
| 51 | * @param hash hash function |
| 52 | * @param compare should return 0 for two equal keys. |
| 53 | */ |
Emil Velikov | f4d14f1 | 2015-08-07 16:44:33 +0100 | [diff] [blame] | 54 | drm_private struct util_hash_table * |
| 55 | util_hash_table_create(unsigned (*hash)(void *key), |
| 56 | int (*compare)(void *key1, void *key2)); |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 57 | |
Emil Velikov | f4d14f1 | 2015-08-07 16:44:33 +0100 | [diff] [blame] | 58 | drm_private void |
| 59 | util_hash_table_set(struct util_hash_table *ht, void *key, void *value); |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 60 | |
Emil Velikov | f4d14f1 | 2015-08-07 16:44:33 +0100 | [diff] [blame] | 61 | drm_private void *util_hash_table_get(struct util_hash_table *ht, void *key); |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 62 | |
Emil Velikov | f4d14f1 | 2015-08-07 16:44:33 +0100 | [diff] [blame] | 63 | drm_private void util_hash_table_remove(struct util_hash_table *ht, void *key); |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 64 | |
Emil Velikov | f4d14f1 | 2015-08-07 16:44:33 +0100 | [diff] [blame] | 65 | drm_private void util_hash_table_clear(struct util_hash_table *ht); |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 66 | |
Emil Velikov | f4d14f1 | 2015-08-07 16:44:33 +0100 | [diff] [blame] | 67 | drm_private void util_hash_table_foreach(struct util_hash_table *ht, |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 68 | void (*callback)(void *key, void *value, void *data), |
| 69 | void *data); |
| 70 | |
Emil Velikov | f4d14f1 | 2015-08-07 16:44:33 +0100 | [diff] [blame] | 71 | drm_private void util_hash_table_destroy(struct util_hash_table *ht); |
Alex Deucher | 0936139 | 2015-04-20 12:04:22 -0400 | [diff] [blame] | 72 | |
| 73 | #endif /* U_HASH_TABLE_H_ */ |