1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/* ptrarray.h -- an expanding array of pointers
*
* Copyright (c) 1994-2011 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Carnegie Mellon University
* Center for Technology Transfer and Enterprise Creation
* 4615 Forbes Avenue
* Suite 302
* Pittsburgh, PA 15213
* (412) 268-7393, fax: (412) 268-7395
* innovation@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Greg Banks
* Start Date: 2011/01/11
*/
#ifndef __CYRUS_PTRARRAY_H__
#define __CYRUS_PTRARRAY_H__
#include <config.h>
#include <sys/types.h>
typedef struct
{
int count;
int alloc;
void **data;
} ptrarray_t;
#define PTRARRAY_INITIALIZER { 0, 0, NULL }
#define ptrarray_init(pa) (memset((pa), 0, sizeof(ptrarray_t)))
void ptrarray_fini(ptrarray_t *);
ptrarray_t *ptrarray_new(void);
void ptrarray_free(ptrarray_t *);
void ptrarray_append(ptrarray_t *, void *);
void ptrarray_add(ptrarray_t *, void *);
void ptrarray_set(ptrarray_t *, int idx, void *);
void ptrarray_insert(ptrarray_t *, int idx, void *);
void *ptrarray_remove(ptrarray_t *, int idx);
void *ptrarray_nth(const ptrarray_t *pa, int idx);
void ptrarray_truncate(ptrarray_t *pa, int newlen);
#define ptrarray_shift(pa) ptrarray_remove((pa), 0)
#define ptrarray_unshift(pa, s) ptrarray_insert((pa), 0, (s))
#define ptrarray_pop(pa) ptrarray_remove((pa), -1)
#define ptrarray_push(pa, s) ptrarray_append((pa), (s))
#define ptrarray_tail(pa) ptrarray_nth((pa), -1)
#define ptrarray_head(pa) ptrarray_nth((pa), 0)
void **ptrarray_takevf(ptrarray_t *pa);
int ptrarray_find(const ptrarray_t *pa, void *match,
int starting);
void ptrarray_sort(ptrarray_t *pa, int (*compare)(const void **, const void **));
int ptrarray_size(const ptrarray_t *pa);
#endif /* __CYRUS_PTRARRAY_H__ */
|
