1 /*	$OpenBSD: stringlist.h,v 1.2 2023/01/04 13:00:11 jsg Exp $	*/
2 
3 /*
4  * Copyright (c) 1994 Christos Zoulas
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
17  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
20  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #define _NG_STAR(s)	(((s) == NULL || *(s) == '\0') ? _ngstar : s)
30 #define _NG_EMPTY(s)	((s) == NULL ? "" : s)
31 #define _NG_ISSPACE(p)	(isspace((unsigned char) (p)) || (p) == '\n')
32 
33 /*
34  * Simple string list
35  */
36 struct stringlist {
37 	char		**sl_str;
38 	size_t		  sl_max;
39 	size_t		  sl_cur;
40 };
41 
42 struct stringlist *_ng_sl_init(void);
43 int	 _ng_sl_add(struct stringlist *, char *);
44 void	  _ng_sl_free(struct stringlist *, int);
45 char	*_ng_sl_find(struct stringlist *, char *);
46 char	*_ng_makekey(const char *, const char *, size_t);
47 int	 _ng_parse(char **, char **, struct netgroup **);
48 void	 _ng_print(char *, size_t, const struct netgroup *);
49