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Merged previous lwcc development branch into mainline.
author William Astle <lost@l-w.ca>
date Mon, 05 Aug 2019 21:27:09 -0600
parents 670ea8f90212
children
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493:6073f4a33475 495:5b8871fd7503
1 /*
2 lwlib/lw_strbuf.c
3
4 Copyright © 2013 William Astle
5
6 This file is part of LWTOOLS.
7
8 LWTOOLS is free software: you can redistribute it and/or modify it under the
9 terms of the GNU General Public License as published by the Free Software
10 Foundation, either version 3 of the License, or (at your option) any later
11 version.
12
13 This program is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 more details.
17
18 You should have received a copy of the GNU General Public License along with
19 this program. If not, see <http://www.gnu.org/licenses/>.
20 */
21
22 #include <stdlib.h>
23
24 #include "lw_alloc.h"
25 #include "lw_strbuf.h"
26
27 struct lw_strbuf *lw_strbuf_new(void)
28 {
29 struct lw_strbuf *lw_strbuf;
30
31 lw_strbuf = lw_alloc(sizeof(struct lw_strbuf));
32 lw_strbuf -> str = NULL;
33 lw_strbuf -> bo = 0;
34 lw_strbuf -> bl = 0;
35 return lw_strbuf;
36 }
37
38 void lw_strbuf_add(struct lw_strbuf *lw_strbuf, int c)
39 {
40 if (lw_strbuf -> bo >= lw_strbuf -> bl)
41 {
42 lw_strbuf -> bl += 100;
43 lw_strbuf -> str = lw_realloc(lw_strbuf -> str, lw_strbuf -> bl);
44 }
45 lw_strbuf -> str[lw_strbuf -> bo++] = c;
46 }
47
48 char *lw_strbuf_end(struct lw_strbuf *lw_strbuf)
49 {
50 char *rv;
51
52 lw_strbuf_add(lw_strbuf, 0);
53 rv = lw_strbuf -> str;
54 lw_free(lw_strbuf);
55 return rv;
56 }