1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/**
* \file <alsa/error.h>
* \brief Application interface library for the ALSA driver
* \author Jaroslav Kysela <perex@suse.cz>
* \author Abramo Bagnara <abramo@alsa-project.org>
* \author Takashi Iwai <tiwai@suse.de>
* \date 1998-2001
*
* Application interface library for the ALSA driver
*
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __ALSA_ERROR_H
#define __ALSA_ERROR_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* \defgroup Error Error handling
* Error handling
* \{
*/
#define SND_ERROR_BEGIN 500000 /**< begin boundary of sound error codes */
#define SND_ERROR_INCOMPATIBLE_VERSION (SND_ERROR_BEGIN+0) /**< protocol is not compatible */
const char *snd_strerror(int errnum);
/**
* \brief Error handler
* \param file File name
* \param line Line number
* \param function Function name
* \param err errno value (or 0 if not relevant)
* \param fmt printf(3) format
* \param ... printf(3) arguments
*/
typedef void (snd_lib_error_handler_t)(const char *file, int line, const char *function, int err, const char *fmt, ...) /* __attribute__ ((format (printf, 5, 6))) */;
extern snd_lib_error_handler_t *snd_lib_error;
extern int snd_lib_error_set_handler(snd_lib_error_handler_t *handler);
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 95)
#define SNDERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, 0, __VA_ARGS__) /**< show sound error */
#define SYSERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, __VA_ARGS__) /**< show system error */
#else
#define SNDERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, 0, ##args) /**< show sound error */
#define SYSERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, ##args) /**< show system error */
#endif
/** \} */
#ifdef __cplusplus
}
#endif
#endif /* __ALSA_ERROR_H */
|
