error.h

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/*
 *   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
 *
 */
 
#if !defined(__ASOUNDLIB_H) && !defined(ALSA_LIBRARY_BUILD)
/* don't use ALSA_LIBRARY_BUILD define in sources outside alsa-lib */
#warning "use #include <alsa/asoundlib.h>, <alsa/error.h> should not be used directly"
#include <alsa/asoundlib.h>
#endif
 
#ifndef __ALSA_ERROR_H
#define __ALSA_ERROR_H
 
#ifdef __cplusplus
extern "C" {
#endif

 
#define SND_ERROR_BEGIN             500000          
#define SND_ERROR_INCOMPATIBLE_VERSION      (SND_ERROR_BEGIN+0) 
 
const char *snd_strerror(int errnum);

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__) 
#define SYSERR(...) snd_lib_error(__FILE__, __LINE__, __func__, errno, __VA_ARGS__) 
#else
#define SNDERR(args...) snd_lib_error(__FILE__, __LINE__, __func__, 0, ##args) 
#define SYSERR(args...) snd_lib_error(__FILE__, __LINE__, __func__, errno, ##args) 
#endif

 
#ifdef __cplusplus
}
#endif

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 */