src/server/util/strbuf.c

changeset 14
b8bf95b39952
parent 11
24d804a2799f
child 15
cff9c4101dd7
equal deleted inserted replaced
13:1fdbf4170ef4 14:b8bf95b39952
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2011 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 "strbuf.h"
34 #include "../ucx/sstring.h"
35
36 sbuf_t* sbuf_new(size_t size) {
37 sbuf_t *buf = malloc(sizeof(sbuf_t));
38
39 buf->ptr = malloc(size);
40 buf->ptr[0] = 0;
41 buf->size = size;
42 buf->length = 0;
43
44 return buf;
45 }
46
47 void sbuf_puts(sbuf_t *buf, char *str) {
48 sbuf_append(buf, sstr(str));
49 }
50
51 void sbuf_put(sbuf_t *buf, char chr) {
52 sbuf_append(buf, sstrn(&chr, 1));
53 }
54
55 void sbuf_append(sbuf_t *buf, sstr_t str) {
56 if (buf->length + str.length >= buf->size) {
57 buf->size *= 2;
58 buf->ptr = realloc(buf->ptr, buf->size);
59 sbuf_append(buf, str);
60 return;
61 }
62
63 memcpy(&buf->ptr[buf->length], str.ptr, str.length);
64 buf->length += str.length;
65 buf->ptr[buf->length] = 0;
66 }
67
68 void sbuf_free(sbuf_t *buf) {
69 free(buf->ptr);
70 free(buf);
71 }

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