1/*
2 * Copyright (c) 1994 Christos Zoulas
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. The name of the author may not be used to endorse or promote products
14 *    derived from this software without specific prior written permission.
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/*
30 * Copyright 2012 Nexenta Systems, Inc. All rights reserved.
31 */
32
33#include <err.h>
34#include <stdio.h>
35#include <stdlib.h>
36#include <string.h>
37
38#include "stringlist.h"
39
40#define	_SL_CHUNKSIZE	20
41
42stringlist *
43sl_init(void)
44{
45	stringlist	*sl;
46
47	if ((sl = malloc(sizeof (stringlist))) == NULL)
48		err(1, "malloc");
49
50	sl->sl_cur = 0;
51	sl->sl_max = _SL_CHUNKSIZE;
52	sl->sl_str = malloc(sl->sl_max * sizeof (char *));
53	if (sl->sl_str == NULL)
54		err(1, "malloc");
55
56	return (sl);
57}
58
59int
60sl_add(stringlist *sl, char *name)
61{
62
63	if (sl->sl_cur == sl->sl_max - 1) {
64		sl->sl_max += _SL_CHUNKSIZE;
65		sl->sl_str = realloc(sl->sl_str, sl->sl_max * sizeof (char *));
66		if (sl->sl_str == NULL)
67			return (-1);
68	}
69	sl->sl_str[sl->sl_cur++] = name;
70
71	return (0);
72}
73
74
75void
76sl_free(stringlist *sl, int all)
77{
78	size_t i;
79
80	if (sl == NULL)
81		return;
82	if (sl->sl_str) {
83		if (all)
84			for (i = 0; i < sl->sl_cur; i++)
85				free(sl->sl_str[i]);
86		free(sl->sl_str);
87	}
88	free(sl);
89}
90
91
92char *
93sl_find(stringlist *sl, char *name)
94{
95	size_t	i;
96
97	for (i = 0; i < sl->sl_cur; i++)
98		if (strcmp(sl->sl_str[i], name) == 0)
99			return (sl->sl_str[i]);
100
101	return (NULL);
102}
103