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report_err.c

/* report_err.h
* Declarations of routines for dissectors to use to report errors to
* the user (e.g., problems with preference settings)
*
* $Id: report_err.c 24639 2008-03-15 18:17:52Z wmeier $
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <glib.h>
#include <stdarg.h>
#include "report_err.h"

static void (*report_failure_func)(const char *, va_list);
static void (*report_open_failure_func)(const char *, int, gboolean);
static void (*report_read_failure_func)(const char *, int);

void init_report_err(void (*report_failure)(const char *, va_list),
                               void (*report_open_failure)(const char *, int, gboolean),
                               void (*report_read_failure)(const char *, int)) {
      report_failure_func = report_failure;
      report_open_failure_func = report_open_failure;
      report_read_failure_func = report_read_failure;
}

/*
 * Report a general error.
 */
void
report_failure(const char *msg_format, ...)
{
      va_list ap;
      
      va_start(ap, msg_format);
      (*report_failure_func)(msg_format, ap);
      va_end(ap);
}

/*
 * Report an error when trying to open or create a file.
 * "err" is assumed to be an error code from Wiretap; positive values are
 * UNIX-style errnos, so this can be used for open failures not from
 * Wiretap as long as the failure code is just an errno.
 */
void
report_open_failure(const char *filename, int err,
                              gboolean for_writing)
{
      (*report_open_failure_func)(filename, err, for_writing);
}

/*
 * Report an error when trying to read a file.
 * "err" is assumed to be a UNIX-style errno.
 */
void
report_read_failure(const char *filename, int err)
{
      (*report_read_failure_func)(filename, err);
}


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