1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2013 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32
33 #include <ucx/string.h>
34
35 #include "strbuf.h"
36
37
38 sbuf_t* sbuf_new(size_t size) {
39 sbuf_t *buf = malloc(sizeof(sbuf_t));
40
41 buf->ptr = malloc(size);
42 buf->ptr[0] = 0;
43 buf->size = size;
44 buf->length = 0;
45
46 return buf;
47 }
48
49 void sbuf_puts(sbuf_t *buf, char *str) {
50 sbuf_append(buf, sstr(str));
51 }
52
53 void sbuf_put(sbuf_t *buf, char chr) {
54 sbuf_append(buf, sstrn(&chr, 1));
55 }
56
57 void sbuf_append(sbuf_t *buf, sstr_t str) {
58 if (buf->length + str.length >= buf->size) {
59 buf->size *= 2;
60 buf->ptr = realloc(buf->ptr, buf->size);
61 sbuf_append(buf, str);
62 return;
63 }
64
65 memcpy(&buf->ptr[buf->length], str.ptr, str.length);
66 buf->length += str.length;
67 buf->ptr[buf->length] = 0;
68 }
69
70 void sbuf_free(sbuf_t *buf) {
71 free(buf->ptr);
72 free(buf);
73 }
74