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comparison CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/alsa/error.h @ 69:33d812a61356

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planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author jpayne
date Tue, 18 Mar 2025 17:55:14 -0400
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67:0e9998148a16 69:33d812a61356
1 /**
2 * \file include/error.h
3 * \brief Application interface library for the ALSA driver
4 * \author Jaroslav Kysela <perex@perex.cz>
5 * \author Abramo Bagnara <abramo@alsa-project.org>
6 * \author Takashi Iwai <tiwai@suse.de>
7 * \date 1998-2001
8 *
9 * Application interface library for the ALSA driver
10 */
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
35 /**
36 * \defgroup Error Error handling
37 * Error handling macros and functions.
38 * \{
39 */
40
41 #define SND_ERROR_BEGIN 500000 /**< Lower boundary of sound error codes. */
42 #define SND_ERROR_INCOMPATIBLE_VERSION (SND_ERROR_BEGIN+0) /**< Kernel/library protocols are not compatible. */
43 #define SND_ERROR_ALISP_NIL (SND_ERROR_BEGIN+1) /**< Lisp encountered an error during acall. */
44
45 const char *snd_strerror(int errnum);
46
47 /**
48 * \brief Error handler callback.
49 * \param file Source file name.
50 * \param line Line number.
51 * \param function Function name.
52 * \param err Value of \c errno, or 0 if not relevant.
53 * \param fmt \c printf(3) format.
54 * \param ... \c printf(3) arguments.
55 *
56 * A function of this type is called by the ALSA library when an error occurs.
57 * This function usually shows the message on the screen, and/or logs it.
58 */
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__) /**< Shows a sound error message. */
65 #define SYSERR(...) snd_lib_error(__FILE__, __LINE__, __func__, errno, __VA_ARGS__) /**< Shows a system error message (related to \c errno). */
66 #else
67 #define SNDERR(args...) snd_lib_error(__FILE__, __LINE__, __func__, 0, ##args) /**< Shows a sound error message. */
68 #define SYSERR(args...) snd_lib_error(__FILE__, __LINE__, __func__, errno, ##args) /**< Shows a system error message (related to \c errno). */
69 #endif
70
71 /** \} */
72
73 #ifdef __cplusplus
74 }
75 #endif
76
77 /** Local error handler function type */
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