175592Sru/*	Id: strlist.h,v 1.3 2014/12/24 09:55:32 plunky Exp 	*/
275592Sru/*	$NetBSD: strlist.h,v 1.1.1.2 2016/02/09 20:28:56 plunky Exp $	*/
318142Spst
418142Spst/*-
575592Sru * Copyright (c) 2011 Joerg Sonnenberger <joerg@NetBSD.org>.
618142Spst * All rights reserved.
718142Spst *
818142Spst * Redistribution and use in source and binary forms, with or without
918142Spst * modification, are permitted provided that the following conditions
1018142Spst * are met:
1118142Spst *
1218142Spst * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in
16 *    the documentation and/or other materials provided with the
17 *    distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
22 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
23 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
29 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#ifndef STRLIST_H
34#define STRLIST_H
35
36#include <stddef.h>
37#include <stdio.h>
38
39struct string {
40	struct string *next;
41	char *value;
42};
43
44struct strlist {
45	struct string *first;
46	struct string *last;
47};
48
49void strlist_init(struct strlist *);
50void strlist_free(struct strlist *);
51void strlist_make_array(const struct strlist *, char ***, size_t *);
52void strlist_print(const struct strlist *, FILE *, int);
53
54void strlist_prepend(struct strlist *, const char *);
55void strlist_prepend_nocopy(struct strlist *, char *);
56void strlist_prepend_list(struct strlist *, const struct strlist *);
57void strlist_append(struct strlist *, const char *);
58void strlist_append_nocopy(struct strlist *, char *);
59void strlist_append_list(struct strlist *, const struct strlist *);
60void strlist_append_array(struct strlist *, const char * const *);
61
62#define	STRLIST_FIRST(head)	((head)->first)
63#define	STRLIST_NEXT(elem)	((elem)->next)
64#define	STRLIST_FOREACH(var, head) \
65	for ((var) = STRLIST_FIRST(head); \
66	     (var) != NULL; \
67	     (var) = STRLIST_NEXT(var))
68#define	STRLIST_FOREACH_MUTABLE(var, head, var2) \
69	for ((var) = STRLIST_FIRST(head); \
70	     (var) != NULL && ((var2) = STRLIST_NEXT(var), 1); \
71	     (var) = (var2))
72#define	STRLIST_EMPTY(head)	(STRLIST_FIRST(head) == NULL)
73
74#endif /* STRLIST_H */
75