1 /* $NetBSD: stringlist.c,v 1.2 1997/01/17 07:26:20 lukem Exp $ */
4 * Copyright (c) 1994 Christos Zoulas
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Christos Zoulas.
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
22 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * $NetBSD: stringlist.c,v 1.2 1997/01/17 07:26:20 lukem Exp $
34 * $DragonFly: src/lib/libc/gen/stringlist.c,v 1.3 2005/11/13 00:07:42 swildner Exp $
41 #include <stringlist.h>
43 #define _SL_CHUNKSIZE 20
46 * sl_init(): Initialize a string list
51 StringList *sl = malloc(sizeof(StringList));
53 err(1, "stringlist: %m");
56 sl->sl_max = _SL_CHUNKSIZE;
57 sl->sl_str = malloc(sl->sl_max * sizeof(char *));
58 if (sl->sl_str == NULL)
59 err(1, "stringlist: %m");
65 * sl_add(): Add an item to the string list
68 sl_add(StringList *sl, char *name)
70 if (sl->sl_cur == sl->sl_max - 1) {
71 sl->sl_max += _SL_CHUNKSIZE;
72 sl->sl_str = reallocf(sl->sl_str, sl->sl_max * sizeof(char *));
73 if (sl->sl_str == NULL)
74 err(1, "stringlist: %m");
76 sl->sl_str[sl->sl_cur++] = name;
81 * sl_free(): Free a stringlist
84 sl_free(StringList *sl, int all)
92 for (i = 0; i < sl->sl_cur; i++)
101 * sl_find(): Find a name in the string list
104 sl_find(StringList *sl, char *name)
108 for (i = 0; i < sl->sl_cur; i++)
109 if (strcmp(sl->sl_str[i], name) == 0)
110 return sl->sl_str[i];