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3265 post 1
/* Copyright (c) 2008, Tim Post <tinkertim@gmail.com>
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are met:
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 *
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 * Redistributions of source code must retain the above copyright notice, this
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 * list of conditions and the following disclaimer.
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 *
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 * Redistributions in binary form must reproduce the above copyright notice,
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 * this list of conditions and the following disclaimer in the documentation
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 * and/or other materials provided with the distribution.
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 *
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 * Neither the name of the original program's authors nor the names of its
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 * contributors may be used to endorse or promote products derived from this
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 * software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 * POSSIBILITY OF SUCH DAMAGE.
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 */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdarg.h>
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#include "config.h"
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#include "errors.h"
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#include "errstr.h"
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volatile int cli_errno = CL_EOK;
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extern volatile unsigned int cli_quit;
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/* Error printing, translation and handling functions */
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/* Look up errno in cl_errors and return the corresponding string.
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 * Return NULL if not found */
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static char *err2str(int err)
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{
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    if (NULL != cl_errors[err])
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        return cl_errors[err];
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    return (char *)NULL;
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}
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/* Print an error report signifying errno, which is translated to
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 * its corresponding human readable string. If errno > 0, raise the
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 * cli_quit int that tells the main program loop to exit immediately */
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void cli_error(int err, const char *fmt, ...)
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{
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    va_list vargs;
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    va_start(vargs, fmt);
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    vprintf(fmt, vargs);
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    va_end(vargs);
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    if (NULL != err2str(err))
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        printf(" (%s)\n", err2str(err));
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    else
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        printf(" (Unknown Error %d)\n", err);
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    /* If fatal, raise cli_quit so that we try to exit
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     * gracefully. This will break the main loop and
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     * invoke the destructor */
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    if (err == CL_EFATAL)
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        cli_quit = 1;
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    return;
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}
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