xref: /illumos-gate/usr/src/lib/libidmap/common/sized_array.h (revision 571575105382b90dc07db52b51d687862849dd05)
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