source: trunk/third/audiofile/libaudiofile/error.c @ 18227

/*
        Audio File Library
        Copyright (C) 1998, Michael Pruett <michael@68k.org>

        This library is free software; you can redistribute it and/or
        modify it under the terms of the GNU Library General Public
        License as published by the Free Software Foundation; either
        version 2 of the License, or (at your option) any later version.

        This library 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
        Library General Public License for more details.

        You should have received a copy of the GNU Library General Public
        License along with this library; if not, write to the
        Free Software Foundation, Inc., 59 Temple Place - Suite 330,
        Boston, MA  02111-1307  USA.
*/

/*
        error.c

        This file contains the routines used in the Audio File Library's
        error handling.
*/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#include <stdarg.h>
#include <assert.h>
#include "audiofile.h"

static void defaultErrorFunction (long error, const char *str);

AFerrfunc errorFunction = defaultErrorFunction;

AFerrfunc afSetErrorHandler (AFerrfunc efunc)
{
        AFerrfunc       old;

        old = errorFunction;
        errorFunction = efunc;

        return old;
}

static void defaultErrorFunction (long error, const char *str)
{
        fprintf(stderr, "Audio File Library: ");
        fprintf(stderr, "%s", str);
        fprintf(stderr, " [error %ld]\n", error);
}

void _af_error (int errorCode, const char *fmt, ...)
{
        char    buf[1024];
        va_list ap;

        va_start(ap, fmt);

        vsnprintf(buf, 1024, fmt, ap);

        va_end(ap);

        if (errorFunction != NULL)
                errorFunction(errorCode, buf);
}