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Infrastructure: Split the files into subdirectories.
[mLib] / struct / buf-dstr.c
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9b5ac6ff 1/* -*-c-*-
2 *
9b5ac6ff 3 * Buffers and dynamic strings
4 *
5 * (c) 2005 Straylight/Edgeware
6 */
7
d4efbcd9 8/*----- Licensing notice --------------------------------------------------*
9b5ac6ff 9 *
10 * This file is part of the mLib utilities library.
11 *
12 * mLib is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Library General Public License as
14 * published by the Free Software Foundation; either version 2 of the
15 * License, or (at your option) any later version.
d4efbcd9 16 *
9b5ac6ff 17 * mLib is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Library General Public License for more details.
d4efbcd9 21 *
9b5ac6ff 22 * You should have received a copy of the GNU Library General Public
23 * License along with mLib; if not, write to the Free
24 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
25 * MA 02111-1307, USA.
26 */
27
28/*----- Header files ------------------------------------------------------*/
29
30#include <string.h>
31
32#include "buf.h"
33
34/*----- Main code ---------------------------------------------------------*/
35
36/* --- @buf_getdstr{8,{16,24,32,64}{,l,b},z} --- *
37 *
38 * Arguments: @buf *b@ = pointer to a buffer block
39 * @dstr *d@ = where to put the result
40 *
41 * Returns: Zero if it worked, nonzero if there wasn't enough space.
42 *
43 * Use: Gets a block of data from a buffer, and writes its contents
44 * to a string.
45 */
46
47#define BUF_GETDSTR_(n, W, w) \
48 int buf_getdstr##w(buf *b, dstr *d) \
49 { \
50 void *p; \
51 size_t sz; \
52 \
53 if ((p = buf_getmem##w(b, &sz)) == 0) \
54 return (-1); \
55 DPUTM(d, p, sz); \
56 return (0); \
57 }
58BUF_DOSUFFIXES(BUF_GETDSTR_)
59
60/* --- @buf_putdstr{8,{16,24,32,64}{,l,b},z} --- *
61 *
62 * Arguments: @buf *b@ = pointer to a buffer block
63 * @dstr *d@ = string to write
64 *
65 * Returns: Zero if it worked, nonzero if there wasn't enough space.
66 *
67 * Use: Puts a dynamic string to a buffer.
68 */
69
70#define BUF_PUTDSTR_(n, W, w) \
71 int buf_putdstr##w(buf *b, dstr *d) \
72 { return (buf_putmem##w(b, d->buf, d->len)); }
73BUF_DOSUFFIXES(BUF_PUTDSTR_)
74
75/*----- That's all, folks -------------------------------------------------*/