/usr/include/alsa/error.h is in libasound2-dev 1.1.3-5.
This file is owned by root:root, with mode 0o644.
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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 75 76 77 78 79 80 81 82 83 84 | /**
* \file include/error.h
* \brief Application interface library for the ALSA driver
* \author Jaroslav Kysela <perex@perex.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 Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __ALSA_ERROR_H
#define __ALSA_ERROR_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* \defgroup Error Error handling
* Error handling macros and functions.
* \{
*/
#define SND_ERROR_BEGIN 500000 /**< Lower boundary of sound error codes. */
#define SND_ERROR_INCOMPATIBLE_VERSION (SND_ERROR_BEGIN+0) /**< Kernel/library protocols are not compatible. */
#define SND_ERROR_ALISP_NIL (SND_ERROR_BEGIN+1) /**< Lisp encountered an error during acall. */
const char *snd_strerror(int errnum);
/**
* \brief Error handler callback.
* \param file Source file name.
* \param line Line number.
* \param function Function name.
* \param err Value of \c errno, or 0 if not relevant.
* \param fmt \c printf(3) format.
* \param ... \c printf(3) arguments.
*
* A function of this type is called by the ALSA library when an error occurs.
* This function usually shows the message on the screen, and/or logs it.
*/
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__) /**< Shows a sound error message. */
#define SYSERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, __VA_ARGS__) /**< Shows a system error message (related to \c errno). */
#else
#define SNDERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, 0, ##args) /**< Shows a sound error message. */
#define SYSERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, ##args) /**< Shows a system error message (related to \c errno). */
#endif
/** \} */
#ifdef __cplusplus
}
#endif
/** Local error handler function type */
typedef void (*snd_local_error_handler_t)(const char *file, int line,
const char *func, int err,
const char *fmt, va_list arg);
snd_local_error_handler_t snd_lib_error_set_local(snd_local_error_handler_t func);
#endif /* __ALSA_ERROR_H */
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