mirror of
https://gitee.com/openharmony/third_party_alsa-lib
synced 2024-11-23 07:30:32 +00:00
0baf7b377c
They are equivalent, but __func__ is in C99. __FUNCTION__ exists only for backwards compatibility with old gcc versions. Signed-off-by: Michael Forney <mforney@mforney.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
86 lines
3.2 KiB
C
86 lines
3.2 KiB
C
/**
|
|
* \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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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__, __func__, 0, __VA_ARGS__) /**< Shows a sound error message. */
|
|
#define SYSERR(...) snd_lib_error(__FILE__, __LINE__, __func__, errno, __VA_ARGS__) /**< Shows a system error message (related to \c errno). */
|
|
#else
|
|
#define SNDERR(args...) snd_lib_error(__FILE__, __LINE__, __func__, 0, ##args) /**< Shows a sound error message. */
|
|
#define SYSERR(args...) snd_lib_error(__FILE__, __LINE__, __func__, 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 */
|
|
|