src/server/util/strbuf.c

Sun, 08 Sep 2013 23:27:07 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 08 Sep 2013 23:27:07 +0200
changeset 91
fac51f87def0
parent 44
3da1f7b6847f
child 92
382bff43c6eb
permissions
-rw-r--r--

ucx update

11
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
1 /*
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
3 *
44
3da1f7b6847f added some error messages
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 15
diff changeset
4 * Copyright 2013 Olaf Wintermann. All rights reserved.
11
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
5 *
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
6 * Redistribution and use in source and binary forms, with or without
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
7 * modification, are permitted provided that the following conditions are met:
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
8 *
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer.
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
11 *
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
14 * documentation and/or other materials provided with the distribution.
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
15 *
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
27 */
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
28
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
29 #include <stdio.h>
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
30 #include <stdlib.h>
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
31 #include <string.h>
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
32
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
33 #include "strbuf.h"
15
cff9c4101dd7 Replaced old utils with ucx
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 14
diff changeset
34 #include "../ucx/string.h"
11
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
35
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
36 sbuf_t* sbuf_new(size_t size) {
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
37 sbuf_t *buf = malloc(sizeof(sbuf_t));
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
38
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
39 buf->ptr = malloc(size);
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
40 buf->ptr[0] = 0;
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
41 buf->size = size;
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
42 buf->length = 0;
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
43
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
44 return buf;
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
45 }
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
46
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
47 void sbuf_puts(sbuf_t *buf, char *str) {
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
48 sbuf_append(buf, sstr(str));
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
49 }
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
50
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
51 void sbuf_put(sbuf_t *buf, char chr) {
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
52 sbuf_append(buf, sstrn(&chr, 1));
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
53 }
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
54
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
55 void sbuf_append(sbuf_t *buf, sstr_t str) {
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
56 if (buf->length + str.length >= buf->size) {
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
57 buf->size *= 2;
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
58 buf->ptr = realloc(buf->ptr, buf->size);
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
59 sbuf_append(buf, str);
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
60 return;
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
61 }
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
62
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
63 memcpy(&buf->ptr[buf->length], str.ptr, str.length);
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
64 buf->length += str.length;
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
65 buf->ptr[buf->length] = 0;
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
66 }
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
67
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
68 void sbuf_free(sbuf_t *buf) {
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
69 free(buf->ptr);
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
70 free(buf);
24d804a2799f Fixed response header bug
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
71 }

mercurial