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error.h
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1
11/*
12 * This library is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Lesser General Public License as
14 * published by the Free Software Foundation; either version 2.1 of
15 * the License, or (at your option) any later version.
16 *
17 * This program 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 Lesser General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this library; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 *
26 */
27
28#ifndef __ALSA_ERROR_H
29#define __ALSA_ERROR_H
30
31#ifdef __cplusplus
32 extern "C" {
33#endif
34
41#define SND_ERROR_BEGIN 500000
42#define SND_ERROR_INCOMPATIBLE_VERSION (SND_ERROR_BEGIN+0)
43#define SND_ERROR_ALISP_NIL (SND_ERROR_BEGIN+1)
45 const char *snd_strerror(int errnum);
46
59 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))) */;
60 extern snd_lib_error_handler_t snd_lib_error;
61 extern int snd_lib_error_set_handler(snd_lib_error_handler_t handler);
62
63#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 95)
64#define SNDERR(...) snd_lib_error(__FILE__, __LINE__, __func__, 0, __VA_ARGS__)
65#define SYSERR(...) snd_lib_error(__FILE__, __LINE__, __func__, errno, __VA_ARGS__)
66#else
67#define SNDERR(args...) snd_lib_error(__FILE__, __LINE__, __func__, 0, ##args)
68#define SYSERR(args...) snd_lib_error(__FILE__, __LINE__, __func__, errno, ##args)
69#endif
70
73#ifdef __cplusplus
74}
75#endif
76
78 typedef void (*snd_local_error_handler_t)(const char *file, int line,
79 const char *func, int err,
80 const char *fmt, va_list arg);
81
82 snd_local_error_handler_t snd_lib_error_set_local(snd_local_error_handler_t func);
83
84#endif /* __ALSA_ERROR_H */
85
snd_local_error_handler_t
void(* snd_local_error_handler_t)(const char *file, int line, const char *func, int err, const char *fmt, va_list arg)
Definition: error.h:78
snd_lib_error_set_local
snd_local_error_handler_t snd_lib_error_set_local(snd_local_error_handler_t func)
Install local error handler.
Definition: error.c:78
snd_strerror
const char * snd_strerror(int errnum)
Returns the message for an error code.
Definition: error.c:51
snd_lib_error_set_handler
int snd_lib_error_set_handler(snd_lib_error_handler_t handler)
Sets the error handler.
Definition: error.c:129
snd_lib_error
snd_lib_error_handler_t snd_lib_error
Definition: error.c:120
snd_lib_error_handler_t
void(* snd_lib_error_handler_t)(const char *file, int line, const char *function, int err, const char *fmt,...)
Error handler callback.
Definition: error.h:59