You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.3 KiB
83 lines
2.3 KiB
/*
|
|
* Copyright © 2009,2013 Intel Corporation
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
* IN THE SOFTWARE.
|
|
*
|
|
* Authors:
|
|
* Eric Anholt <eric@anholt.net>
|
|
*
|
|
*/
|
|
|
|
#ifndef RAVI_INT_SET_H
|
|
#define RAVI_INT_SET_H
|
|
|
|
#include <inttypes.h>
|
|
#include <stdbool.h>
|
|
|
|
struct int_set_entry {
|
|
uint32_t value;
|
|
unsigned int occupied : 1;
|
|
unsigned int deleted : 1;
|
|
};
|
|
|
|
struct int_set {
|
|
struct int_set_entry *table;
|
|
uint32_t size;
|
|
uint32_t rehash;
|
|
uint32_t max_entries;
|
|
uint32_t size_index;
|
|
uint32_t entries;
|
|
uint32_t deleted_entries;
|
|
};
|
|
|
|
struct int_set *
|
|
int_set_create(void);
|
|
|
|
void
|
|
int_set_destroy(struct int_set *set);
|
|
|
|
struct int_set_entry *
|
|
int_set_add(struct int_set *set, uint32_t value);
|
|
|
|
bool
|
|
int_set_contains(struct int_set *set, uint32_t value);
|
|
|
|
void
|
|
int_set_remove(struct int_set *set, uint32_t value);
|
|
|
|
struct int_set_entry *
|
|
int_set_search(struct int_set *set, uint32_t value);
|
|
|
|
void
|
|
int_set_remove_entry(struct int_set *set, struct int_set_entry *entry);
|
|
|
|
struct int_set_entry *
|
|
int_set_next_entry(struct int_set *set, struct int_set_entry *entry);
|
|
|
|
/* Return a random entry in the set that satisfies predicate.
|
|
*
|
|
* The 'predicate' function pointer may be NULL in which any random
|
|
* entry will be returned. */
|
|
struct int_set_entry *
|
|
int_set_random_entry(struct int_set *set,
|
|
int (*predicate)(struct int_set_entry *entry));
|
|
|
|
#endif
|