mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-11-04 13:30:08 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Added comments

Browse source
This commit is contained in:
Jaroslav Kysela 2001-02-08 14:42:09 +00:00
parent d47a86d5e7
commit c709b0a627
1 changed files with 40 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

42
src/error.c
View file

@ -1,8 +1,11 @@
/*!
* \file error.c
* Error code handling routines.
*/
/*
* Error Routines
* Copyright (c) 1998 by Jaroslav Kysela <perex@suse.cz>
*
* snd_strerror routine needs to be recoded for locale support
* snd_strerror routine needs to be recoded for the locale support
*
*
* This library is free software; you can redistribute it and/or modify
@ -32,6 +35,13 @@ static const char *snd_error_codes[] =
"Sound protocol is not compatible"
};
/*!
* \fn const char * snd_strerror(int errnum)
* \brief Get the error string.
* \param errnum The error code number.
*
* Returns the ASCII description of the given numeric error code.
*/
const char *snd_strerror(int errnum)
{
if (errnum < 0)
@ -44,6 +54,19 @@ const char *snd_strerror(int errnum)
return snd_error_codes[errnum];
}
#ifndef DOC_PUBLIC
/*!
* \fn static void snd_lib_error_default(const char *file, int line, const char *function, int err, const char *fmt, ...)
* \brief The default error handler function.
* \param file The filename where the error was hit.
* \param line The line number.
* \param function The function name.
* \param err The error number.
* \param fmt The message (including the format characters).
* \param ... Optional arguments.
*
* Prints the error message including location to stderr.
*/
static void snd_lib_error_default(const char *file, int line, const char *function, int err, const char *fmt, ...)
{
va_list arg;
@ -55,9 +78,24 @@ static void snd_lib_error_default(const char *file, int line, const char *functi
putc('\n', stderr);
va_end(arg);
}
#endif /* !DOC_PUBLIC */
#ifndef DOC_PUBLIC
/*!
* \var snd_lib_error_handler_t *snd_lib_error;
* Pointer to the error handler function.
*/
snd_lib_error_handler_t *snd_lib_error = snd_lib_error_default;
#endif /* !DOC_PUBLIC */
/*!
* \fn int snd_lib_error_set_handler(snd_lib_error_handler_t *handler)
* \brief Set the error handler.
* \param handler The pointer to the new error handler function.
*
* This function sets a new error handler or the default one (if the NULL
* parameter is given) which prints the error messages to stderr.
*/
int snd_lib_error_set_handler(snd_lib_error_handler_t *handler)
{
snd_lib_error = handler == NULL ? snd_lib_error_default : handler;