xref: /illumos-gate/usr/src/cmd/pgrep/idtab.h (revision 2a8bcb4e)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1997 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #ifndef	_IDTAB_H
28 #define	_IDTAB_H
29 
30 #include <sys/types.h>
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * We need to typedef idkey_t so it can safely deal with how pid_t, uid_t,
38  * gid_t, and dev_t are defined in a 64-bit compilation environment and
39  * avoid sign-extension problems.
40  */
41 
42 typedef unsigned long idkey_t;
43 
44 typedef struct idtab {
45 	idkey_t *id_data;
46 	size_t id_nelems;
47 	size_t id_size;
48 } idtab_t;
49 
50 extern void idtab_create(idtab_t *);
51 extern void idtab_destroy(idtab_t *);
52 extern void idtab_append(idtab_t *, idkey_t);
53 extern void idtab_sort(idtab_t *);
54 extern int idtab_search(idtab_t *, idkey_t);
55 
56 #ifdef	__cplusplus
57 }
58 #endif
59 
60 #endif	/* _IDTAB_H */
61