mirror of
https://github.com/moparisthebest/spdylay
synced 2024-11-11 12:05:07 -05:00
118 lines
3.6 KiB
C
118 lines
3.6 KiB
C
/*
|
|
* Spdylay - SPDY Library
|
|
*
|
|
* Copyright (c) 2012 Tatsuhiro Tsujikawa
|
|
*
|
|
* 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 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.
|
|
*/
|
|
#ifndef SPDYLAY_MAP_H
|
|
#define SPDYLAY_MAP_H
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif /* HAVE_CONFIG_H */
|
|
|
|
#include <spdylay/spdylay.h>
|
|
#include "spdylay_int.h"
|
|
|
|
/* Implementation of ordered map */
|
|
|
|
typedef uint32_t key_type;
|
|
typedef uint32_t pri_type;
|
|
|
|
typedef struct spdylay_map_entry {
|
|
key_type key;
|
|
void *val;
|
|
struct spdylay_map_entry *left, *right;
|
|
pri_type priority;
|
|
} spdylay_map_entry;
|
|
|
|
typedef struct {
|
|
spdylay_map_entry *root;
|
|
size_t size;
|
|
} spdylay_map;
|
|
|
|
/*
|
|
* Initializes the map |map|.
|
|
*/
|
|
void spdylay_map_init(spdylay_map *map);
|
|
|
|
/*
|
|
* Deallocates any resources allocated for |map|. The stored items are
|
|
* not freed by this function. Use spdylay_map_each() to free each
|
|
* item.
|
|
*/
|
|
void spdylay_map_free(spdylay_map *map);
|
|
|
|
/*
|
|
* Inserts the new item |val| with the key |key| to the map |map|.
|
|
*
|
|
* This function returns 0 if it succeeds, or one of the following
|
|
* negative error code:
|
|
*
|
|
* SPDYLAY_ERR_INVALID_ARGUMENT
|
|
* The item associated by |key| already exists.
|
|
*
|
|
* SPDYLAY_ERR_NOMEM
|
|
* Out of memory.
|
|
*/
|
|
int spdylay_map_insert(spdylay_map *map, key_type key, void *val);
|
|
|
|
/*
|
|
* Returns the item associated by the key |key|. If there is no such
|
|
* item, this function returns NULL.
|
|
*/
|
|
void* spdylay_map_find(spdylay_map *map, key_type key);
|
|
|
|
/*
|
|
* Erases the item associated by the key |key|. The erased item is
|
|
* not freed by this function.
|
|
*
|
|
* This function returns 0 if it succeeds, or one of the following
|
|
* negative error codes:
|
|
*
|
|
* SPDYLAY_ERR_INVALID_ARGUMENT
|
|
* The item associated by |key| does not exist.
|
|
*/
|
|
void spdylay_map_erase(spdylay_map *map, key_type key);
|
|
|
|
/*
|
|
* Returns the number of items stored in the map |map|.
|
|
*/
|
|
size_t spdylay_map_size(spdylay_map *map);
|
|
|
|
/*
|
|
* Applies the function |func| to each key/item pair in the map |map|
|
|
* with the optional user supplied pointer |ptr|. This function is
|
|
* useful to free item in the map.
|
|
*
|
|
* If the |func| returns 0, this function calls the |func| with the
|
|
* next key and value pair. If the |func| returns nonzero, it will not
|
|
* call the |func| for further key and value pair and return the
|
|
* return value of the |func| immediately. Thus, this function
|
|
* returns 0 if all the invocations of the |func| return 0, or nonzero
|
|
* value which the last invocation of |func| returns.
|
|
*/
|
|
int spdylay_map_each(spdylay_map *map,
|
|
int (*func)(key_type key, void *val, void *ptr),
|
|
void *ptr);
|
|
|
|
#endif /* SPDYLAY_MAP_H */
|