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Documentation update by Clement Ladish

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This commit is contained in:
Jaroslav Kysela 2002-07-23 19:51:16 +00:00
parent 2db6b18b39
commit 63d708a344
15 changed files with 965 additions and 714 deletions
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41
include/error.h
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@ -7,8 +7,8 @@
* \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
@ -34,34 +34,37 @@ extern "C" {
/**
* \defgroup Error Error handling
* Error handling
* Error handling macros and functions.
* \{
*/
#define SND_ERROR_BEGIN 500000 /**< begin boundary of sound error codes */
#define SND_ERROR_INCOMPATIBLE_VERSION (SND_ERROR_BEGIN+0) /**< protocol is not compatible */
#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. */
const char *snd_strerror(int errnum);
/**
* \brief Error handler
* \param file File name
* \param line Line number
* \param function Function name
* \param err errno value (or 0 if not relevant)
* \param fmt printf(3) format
* \param ... printf(3) arguments
* \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);
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__) /**< show sound error */
#define SYSERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, __VA_ARGS__) /**< show system error */
#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) /**< show sound error */
#define SYSERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, ##args) /**< show system error */
#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
/** \} */