1#include "config.h"
2
3#if HAVE_STRINGLIST
4
5int dummy;
6
7#else
8
9/*	Id: compat_stringlist.c,v 1.6 2015/11/07 14:22:29 schwarze Exp 	*/
10/*
11 * Copyright (c) 1994 Christos Zoulas <christos@netbsd.org>
12 * All rights reserved.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 *    notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 *    notice, this list of conditions and the following disclaimer in the
21 *    documentation and/or other materials provided with the distribution.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
24 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
27 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#if HAVE_ERR
37#include <err.h>
38#endif
39#include <stdlib.h>
40#include <string.h>
41#include "compat_stringlist.h"
42
43#define _SL_CHUNKSIZE	20
44
45/*
46 * sl_init(): Initialize a string list
47 */
48StringList *
49sl_init(void)
50{
51	StringList *sl;
52
53	sl = malloc(sizeof(StringList));
54	if (sl == NULL)
55		err(1, "stringlist");
56
57	sl->sl_cur = 0;
58	sl->sl_max = _SL_CHUNKSIZE;
59	sl->sl_str = reallocarray(NULL, sl->sl_max, sizeof(char *));
60	if (sl->sl_str == NULL)
61		err(1, "stringlist");
62	return sl;
63}
64
65
66/*
67 * sl_add(): Add an item to the string list
68 */
69int
70sl_add(StringList *sl, char *name)
71{
72	if (sl->sl_cur == sl->sl_max - 1) {
73		sl->sl_max += _SL_CHUNKSIZE;
74		sl->sl_str = reallocarray(sl->sl_str,
75		    sl->sl_max, sizeof(char *));
76		if (sl->sl_str == NULL)
77			return (-1);
78	}
79	sl->sl_str[sl->sl_cur++] = name;
80	return (0);
81}
82
83
84/*
85 * sl_free(): Free a stringlist
86 */
87void
88sl_free(StringList *sl, int all)
89{
90	size_t i;
91
92	if (sl == NULL)
93		return;
94	if (sl->sl_str) {
95		if (all)
96			for (i = 0; i < sl->sl_cur; i++)
97				free(sl->sl_str[i]);
98		free(sl->sl_str);
99	}
100	free(sl);
101}
102
103
104/*
105 * sl_find(): Find a name in the string list
106 */
107char *
108sl_find(StringList *sl, const char *name)
109{
110	size_t i;
111
112	for (i = 0; i < sl->sl_cur; i++)
113		if (strcmp(sl->sl_str[i], name) == 0)
114			return sl->sl_str[i];
115
116	return NULL;
117}
118
119#endif
120