2 * Copyright (c) 1994 Christos Zoulas
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
28 * $NetBSD: stringlist.c,v 1.2 1997/01/17 07:26:20 lukem Exp $
29 * $FreeBSD: src/lib/libc/gen/stringlist.c,v 1.8 2007/01/09 00:27:55 imp Exp $
30 * $DragonFly: src/lib/libc/gen/stringlist.c,v 1.3 2005/11/13 00:07:42 swildner Exp $
33 #include "namespace.h"
38 #include <stringlist.h>
39 #include "un-namespace.h"
41 #define _SL_CHUNKSIZE 20
44 * sl_init(): Initialize a string list
51 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
)
76 sl
->sl_str
[sl
->sl_cur
++] = name
;
82 * sl_free(): Free a stringlist
85 sl_free(StringList
*sl
, int all
)
93 for (i
= 0; i
< sl
->sl_cur
; i
++)
102 * sl_find(): Find a name in the string list
105 sl_find(StringList
*sl
, char *name
)
109 for (i
= 0; i
< sl
->sl_cur
; i
++)
110 if (strcmp(sl
->sl_str
[i
], name
) == 0)
111 return sl
->sl_str
[i
];