Electroneum
regional.h
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1 /*
2  * regional.h -- region based memory allocator.
3  *
4  * Copyright (c) 2007, NLnet Labs. All rights reserved.
5  *
6  * This software is open source.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * Redistributions in binary form must reproduce the above copyright notice,
16  * this list of conditions and the following disclaimer in the documentation
17  * and/or other materials provided with the distribution.
18  *
19  * Neither the name of the NLNET LABS nor the names of its contributors may
20  * be used to endorse or promote products derived from this software without
21  * specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27  * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
29  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
30  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
31  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
32  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34  */
35 
51 #ifndef UTIL_REGIONAL_H_
52 #define UTIL_REGIONAL_H_
53 
59 struct regional
60 {
66  char* next;
68  char* large_list;
70  size_t total_large;
72  size_t first_size;
74  size_t available;
76  char* data;
77 };
78 
83 struct regional* regional_create(void);
84 
90 struct regional* regional_create_custom(size_t size);
91 
97 void regional_free_all(struct regional *r);
98 
104 void regional_destroy(struct regional *r);
105 
113 void *regional_alloc(struct regional *r, size_t size);
114 
124 void *regional_alloc_init(struct regional* r, const void *init, size_t size);
125 
134 void *regional_alloc_zero(struct regional *r, size_t size);
135 
142 char *regional_strdup(struct regional *r, const char *string);
143 
145 void regional_log_stats(struct regional *r);
146 
148 size_t regional_get_mem(struct regional* r);
149 
150 #endif /* UTIL_REGIONAL_H_ */
void * regional_alloc_init(struct regional *r, const void *init, size_t size)
char * next
Definition: regional.h:66
void regional_log_stats(struct regional *r)
size_t regional_get_mem(struct regional *r)
struct regional * regional_create_custom(size_t size)
size_t first_size
Definition: regional.h:72
size_t total_large
Definition: regional.h:70
size_t available
Definition: regional.h:74
void regional_destroy(struct regional *r)
struct regional * regional_create(void)
void regional_free_all(struct regional *r)
char * large_list
Definition: regional.h:68
char * regional_strdup(struct regional *r, const char *string)
char * data
Definition: regional.h:76
void * regional_alloc(struct regional *r, size_t size)
void * regional_alloc_zero(struct regional *r, size_t size)