1 |
|
|
/* $OpenBSD: stringlist.c,v 1.12 2015/05/20 23:39:55 schwarze Exp $ */ |
2 |
|
|
/* $NetBSD: stringlist.c,v 1.2 1997/01/17 07:26:20 lukem Exp $ */ |
3 |
|
|
|
4 |
|
|
/* |
5 |
|
|
* Copyright (c) 1994 Christos Zoulas |
6 |
|
|
* All rights reserved. |
7 |
|
|
* |
8 |
|
|
* Redistribution and use in source and binary forms, with or without |
9 |
|
|
* modification, are permitted provided that the following conditions |
10 |
|
|
* are met: |
11 |
|
|
* 1. Redistributions of source code must retain the above copyright |
12 |
|
|
* notice, this list of conditions and the following disclaimer. |
13 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright |
14 |
|
|
* notice, this list of conditions and the following disclaimer in the |
15 |
|
|
* documentation and/or other materials provided with the distribution. |
16 |
|
|
* |
17 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS |
18 |
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
19 |
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
20 |
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
21 |
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
22 |
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
23 |
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
24 |
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
25 |
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
26 |
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
27 |
|
|
* SUCH DAMAGE. |
28 |
|
|
*/ |
29 |
|
|
|
30 |
|
|
#ifndef SMALL |
31 |
|
|
|
32 |
|
|
#include <stdio.h> |
33 |
|
|
#include <string.h> |
34 |
|
|
#include <err.h> |
35 |
|
|
#include <stdlib.h> |
36 |
|
|
|
37 |
|
|
#include "stringlist.h" |
38 |
|
|
|
39 |
|
|
#define _SL_CHUNKSIZE 20 |
40 |
|
|
|
41 |
|
|
/* |
42 |
|
|
* sl_init(): Initialize a string list |
43 |
|
|
*/ |
44 |
|
|
StringList * |
45 |
|
|
sl_init(void) |
46 |
|
|
{ |
47 |
|
|
StringList *sl = malloc(sizeof(StringList)); |
48 |
|
|
if (sl == NULL) |
49 |
|
|
err(1, "stringlist"); |
50 |
|
|
|
51 |
|
|
sl->sl_cur = 0; |
52 |
|
|
sl->sl_max = _SL_CHUNKSIZE; |
53 |
|
|
sl->sl_str = calloc(sl->sl_max, sizeof(char *)); |
54 |
|
|
if (sl->sl_str == NULL) |
55 |
|
|
err(1, "stringlist"); |
56 |
|
|
return sl; |
57 |
|
|
} |
58 |
|
|
|
59 |
|
|
|
60 |
|
|
/* |
61 |
|
|
* sl_add(): Add an item to the string list |
62 |
|
|
*/ |
63 |
|
|
void |
64 |
|
|
sl_add(StringList *sl, char *name) |
65 |
|
|
{ |
66 |
|
|
if (sl->sl_cur == sl->sl_max - 1) { |
67 |
|
|
sl->sl_max += _SL_CHUNKSIZE; |
68 |
|
|
sl->sl_str = reallocarray(sl->sl_str, sl->sl_max, |
69 |
|
|
sizeof(char *)); |
70 |
|
|
if (sl->sl_str == NULL) |
71 |
|
|
err(1, "stringlist"); |
72 |
|
|
} |
73 |
|
|
sl->sl_str[sl->sl_cur++] = name; |
74 |
|
|
} |
75 |
|
|
|
76 |
|
|
|
77 |
|
|
/* |
78 |
|
|
* sl_free(): Free a stringlist |
79 |
|
|
*/ |
80 |
|
|
void |
81 |
|
|
sl_free(StringList *sl, int all) |
82 |
|
|
{ |
83 |
|
|
size_t i; |
84 |
|
|
|
85 |
|
|
if (sl == NULL) |
86 |
|
|
return; |
87 |
|
|
if (sl->sl_str) { |
88 |
|
|
if (all) |
89 |
|
|
for (i = 0; i < sl->sl_cur; i++) |
90 |
|
|
free(sl->sl_str[i]); |
91 |
|
|
free(sl->sl_str); |
92 |
|
|
} |
93 |
|
|
free(sl); |
94 |
|
|
} |
95 |
|
|
|
96 |
|
|
#endif /* !SMALL */ |
97 |
|
|
|