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Ignore whitespace Rev 3264 → Rev 3265

/branches/shell/uspace/app/bdsh/errors.c
0,0 → 1,95
/* Copyright (c) 2008, Tim Post <tinkertim@gmail.com>
* 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.
*
* Neither the name of the original program's authors nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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 <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdarg.h>
 
#include "config.h"
#include "errors.h"
#include "errstr.h"
 
/* Error printing, translation and handling functions */
 
volatile int cli_lasterr = 0;
extern volatile unsigned int cli_verbocity;
 
/* Look up errno in cl_errors and return the corresponding string.
* Return NULL if not found */
char *err2str(int errno)
{
 
if (NULL != cl_errors[errno])
return cl_errors[errno];
 
return (char *)NULL;
}
 
/* Print an error report signifying errno, which 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 errno, const char *fmt, ...)
{
va_list vargs;
va_start(vargs, fmt);
vprintf(fmt, vargs);
va_end(vargs);
 
if (NULL != err2str(errno))
printf(" (%s)\n", err2str(errno));
else
printf(" (Unknown Error %d)\n", errno);
 
if (errno < 0)
exit(EXIT_FAILURE);
 
}
 
/* Just a smart printf(), print the string only if cli_verbocity is high */
void cli_verbose(const char *fmt, ...)
{
if (cli_verbocity) {
va_list vargs;
 
printf("[*] ");
va_start(vargs, fmt);
vprintf(fmt, vargs);
va_end(vargs);
printf("\n");
}
return;
}