1 /* $NetBSD: stringlist.c,v 1.12 2007/05/09 17:10:29 christos Exp $ */
4 * Copyright (c) 1994, 1999 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
32 #include <sys/cdefs.h>
33 #if defined(LIBC_SCCS) && !defined(lint)
34 __RCSID("$NetBSD: stringlist.c,v 1.12 2007/05/09 17:10:29 christos Exp $");
35 #endif /* LIBC_SCCS and not lint */
42 #include <stringlist.h>
44 #define _DIAGASSERT(t)
47 __weak_alias(sl_add,_sl_add)
48 __weak_alias(sl_find,_sl_find)
49 __weak_alias(sl_free,_sl_free)
50 __weak_alias(sl_init,_sl_init)
51 __weak_alias(sl_delete,_sl_delete)
54 #define _SL_CHUNKSIZE 20
57 * sl_init(): Initialize a string list
64 sl = malloc(sizeof(StringList));
69 sl->sl_max = _SL_CHUNKSIZE;
70 sl->sl_str = malloc(sl->sl_max * sizeof(char *));
71 if (sl->sl_str == NULL) {
80 * sl_add(): Add an item to the string list
83 sl_add(StringList *sl, char *name)
86 _DIAGASSERT(sl != NULL);
88 if (sl->sl_cur == sl->sl_max - 1) {
91 new = realloc(sl->sl_str,
92 (sl->sl_max + _SL_CHUNKSIZE) * sizeof(char *));
95 sl->sl_max += _SL_CHUNKSIZE;
98 sl->sl_str[sl->sl_cur++] = name;
104 * sl_free(): Free a stringlist
107 sl_free(StringList *sl, int all)
115 for (i = 0; i < sl->sl_cur; i++)
124 * sl_find(): Find a name in the string list
127 sl_find(StringList *sl, const char *name)
131 _DIAGASSERT(sl != NULL);
133 for (i = 0; i < sl->sl_cur; i++)
134 if (strcmp(sl->sl_str[i], name) == 0)
135 return sl->sl_str[i];
141 sl_delete(StringList *sl, const char *name, int all)
145 for (i = 0; i < sl->sl_cur; i++)
146 if (strcmp(sl->sl_str[i], name) == 0) {
149 for (j = i + 1; j < sl->sl_cur; j++)
150 sl->sl_str[j - 1] = sl->sl_str[j];
151 sl->sl_str[--sl->sl_cur] = NULL;