Annotation of src/usr.bin/ftp/stringlist.c, Revision 1.12
1.12 ! schwarze 1: /* $OpenBSD: stringlist.c,v 1.11 2014/10/08 04:01:10 doug Exp $ */
1.1 millert 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:
1.10 martynas 30: #ifndef SMALL
31:
1.1 millert 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 *
1.5 deraadt 45: sl_init(void)
1.1 millert 46: {
47: StringList *sl = malloc(sizeof(StringList));
48: if (sl == NULL)
1.3 deraadt 49: err(1, "stringlist");
1.1 millert 50:
51: sl->sl_cur = 0;
52: sl->sl_max = _SL_CHUNKSIZE;
1.8 deraadt 53: sl->sl_str = calloc(sl->sl_max, sizeof(char *));
1.1 millert 54: if (sl->sl_str == NULL)
1.3 deraadt 55: err(1, "stringlist");
1.1 millert 56: return sl;
57: }
58:
59:
60: /*
61: * sl_add(): Add an item to the string list
62: */
63: void
1.5 deraadt 64: sl_add(StringList *sl, char *name)
1.1 millert 65: {
66: if (sl->sl_cur == sl->sl_max - 1) {
67: sl->sl_max += _SL_CHUNKSIZE;
1.11 doug 68: sl->sl_str = reallocarray(sl->sl_str, sl->sl_max,
69: sizeof(char *));
1.1 millert 70: if (sl->sl_str == NULL)
1.3 deraadt 71: err(1, "stringlist");
1.1 millert 72: }
73: sl->sl_str[sl->sl_cur++] = name;
74: }
75:
76:
77: /*
78: * sl_free(): Free a stringlist
79: */
80: void
1.5 deraadt 81: sl_free(StringList *sl, int all)
1.1 millert 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: }
1.10 martynas 95:
96: #endif /* !SMALL */
97: