xref: /illumos-gate/usr/src/lib/libidmap/common/sized_array.h (revision 5661bb7641e85c46713da7a3002b29ecd2c3daf0)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SIZED_ARRAY_H
28 #define	_SIZED_ARRAY_H
29 
30 /*
31  * Like calloc, but with mechanisms to get the size of the allocated
32  * area given only the pointer.
33  */
34 
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38 
39 void *sized_array(size_t n, size_t sz);
40 void sized_array_free(void *p);
41 size_t sized_array_n(void *p);
42 size_t sized_array_sz(void *p);
43 
44 #ifdef __cplusplus
45 }
46 #endif
47 
48 #endif /* _SIZED_ARRAY_H */
49