/* 

 * tclPanic.c --

 *

 *	Source code for the "Tcl_Panic" library procedure for Tcl;

 *	individual applications will probably call Tcl_SetPanicProc()

 *	to set an application-specific panic procedure.

 *

 * Copyright (c) 1988-1993 The Regents of the University of California.

 * Copyright (c) 1994 Sun Microsystems, Inc.

 * Copyright (c) 1998-1999 by Scriptics Corporation.

 * Portions Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiaries. All rights reserved.  

 *

 * See the file "license.terms" for information on usage and redistribution

 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.

 *

 * RCS: @(#) $Id: tclPanic.c,v 1.4.12.2 2006/03/09 23:11:23 dgp Exp $

 */

#include "tclInt.h"

#include "tclPort.h"

/*

 * The panicProc variable contains a pointer to an application

 * specific panic procedure.

 */

static Tcl_PanicProc *panicProc = NULL;

/*

 * The platformPanicProc variable contains a pointer to a platform

 * specific panic procedure, if any.  ( TclpPanic may be NULL via

 * a macro. )

 */

static Tcl_PanicProc * CONST platformPanicProc = TclpPanic;

/*

 *----------------------------------------------------------------------

 *

 * Tcl_SetPanicProc --

 *

 *	Replace the default panic behavior with the specified functiion.

 *

 * Results:

 *	None.

 *

 * Side effects:

 *	Sets the panicProc variable.

 *

 *----------------------------------------------------------------------

 */

EXPORT_C void

Tcl_SetPanicProc(proc)

    Tcl_PanicProc *proc;

{

    panicProc = proc;

}

/*

 *----------------------------------------------------------------------

 *

 * Tcl_PanicVA --

 *

 *	Print an error message and kill the process.

 *

 * Results:

 *	None.

 *

 * Side effects:

 *	The process dies, entering the debugger if possible.

 *

 *----------------------------------------------------------------------

 */

EXPORT_C void

Tcl_PanicVA (format, argList)

    CONST char *format;		/* Format string, suitable for passing to

				 * fprintf. */

    va_list argList;		/* Variable argument list. */

{

    char *arg1, *arg2, *arg3, *arg4;	/* Additional arguments (variable in

					 * number) to pass to fprintf. */

    char *arg5, *arg6, *arg7, *arg8;

    arg1 = va_arg(argList, char *);

    arg2 = va_arg(argList, char *);

    arg3 = va_arg(argList, char *);

    arg4 = va_arg(argList, char *);

    arg5 = va_arg(argList, char *);

    arg6 = va_arg(argList, char *);

    arg7 = va_arg(argList, char *);

    arg8 = va_arg(argList, char *);

    if (panicProc != NULL) {

	(void) (*panicProc)(format, arg1, arg2, arg3, arg4,

		arg5, arg6, arg7, arg8);

    } else if (platformPanicProc != NULL) {

	(void) (*platformPanicProc)(format, arg1, arg2, arg3, arg4,

		arg5, arg6, arg7, arg8);

    } else {

	(void) fprintf(stderr, format, arg1, arg2, arg3, arg4, arg5, arg6,

		arg7, arg8);

	(void) fprintf(stderr, "\n");

	(void) fflush(stderr);

	abort();

    }

}

/*

 *----------------------------------------------------------------------

 *

 * Tcl_Panic --

 *

 *	Print an error message and kill the process.

 *

 * Results:

 *	None.

 *

 * Side effects:

 *	The process dies, entering the debugger if possible.

 *

 *----------------------------------------------------------------------

 */

	/* VARARGS ARGSUSED */

EXPORT_C void

Tcl_Panic TCL_VARARGS_DEF(CONST char *,arg1)

{

    va_list argList;

    CONST char *format;

    format = TCL_VARARGS_START(CONST char *,arg1,argList);

    Tcl_PanicVA(format, argList);

    va_end (argList);

}