/*
* Copyright (c) 2008 Tim Post
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stddef.h>
#include <str.h>
#include "config.h"
#include "errors.h"
#include "errstr.h"
#include "scli.h"
volatile int cli_errno = CL_EOK;
extern volatile unsigned int cli_quit;
/* Error printing, translation and handling functions */
/** Look up errno in cl_errors and return the corresponding string.
*
* Return NULL if not found
*/
static const char *err2str(int err)
{
if (NULL != cl_errors[err])
return cl_errors[err];
return (char *)NULL;
}
/** Print an error report signifying errno
*
* errno is translated to its corresponding human readable string.
* If errno > 0, raise the cli_quit int that tells the main program loop
* to exit immediately
*/
void cli_error(int err, const char *fmt, ...)
{
va_list vargs;
va_start(vargs, fmt);
vprintf(fmt, vargs);
va_end(vargs);
if (NULL != err2str(err))
printf(" (%s)\n", err2str(err));
else
printf(" (Unknown Error %d)\n", err);
/*
* If fatal, raise cli_quit so that we try to exit
* gracefully. This will break the main loop and
* invoke the destructor
*/
if (err == CL_EFATAL)
cli_quit = 1;
return;
}