source: mainline/uspace/lib/c/include/io/klog.h@ 08e103d4

Last change on this file since 08e103d4 was 08e103d4, checked in by Jiří Zárevúcky <zarevucky.jiri@…>, 7 years ago

Use clearer naming for string length functions

This and the following commit change the names of functions, as well as
their documentation, to use unambiguous terms "bytes" and "code points"
instead of ambiguous terms "size", "length", and "characters".

  • Property mode set to 100644
File size: 2.0 KB
Line 
1/*
2 * Copyright (c) 2013 Martin Sucha
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libc
30 * @{
31 */
32/** @file
33 */
34
35#ifndef LIBC_IO_KLOG_H_
36#define LIBC_IO_KLOG_H_
37
38#include <stddef.h>
39#include <stdarg.h>
40#include <io/verify.h>
41#include <stdio.h>
42#include <stdlib.h>
43#include <str.h>
44#include <abi/log.h>
45
46extern errno_t klog_write(log_level_t, const void *, size_t);
47extern errno_t klog_read(void *, size_t, size_t *);
48
49#define KLOG_PRINTF(lvl, fmt, ...) ({ \
50 char *_s; \
51 errno_t _rc = ENOMEM; \
52 if (asprintf(&_s, fmt, ##__VA_ARGS__) >= 0) { \
53 _rc = klog_write((lvl), _s, str_bytes(_s)); \
54 free(_s); \
55 }; \
56 (_rc != EOK); \
57})
58
59#endif
60
61/** @}
62 */
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