sl@0: /* 
sl@0:  * tclPanic.c --
sl@0:  *
sl@0:  *	Source code for the "Tcl_Panic" library procedure for Tcl;
sl@0:  *	individual applications will probably call Tcl_SetPanicProc()
sl@0:  *	to set an application-specific panic procedure.
sl@0:  *
sl@0:  * Copyright (c) 1988-1993 The Regents of the University of California.
sl@0:  * Copyright (c) 1994 Sun Microsystems, Inc.
sl@0:  * Copyright (c) 1998-1999 by Scriptics Corporation.
sl@0:  * Portions Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiaries. All rights reserved.  
sl@0:  *
sl@0:  * See the file "license.terms" for information on usage and redistribution
sl@0:  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
sl@0:  *
sl@0:  * RCS: @(#) $Id: tclPanic.c,v 1.4.12.2 2006/03/09 23:11:23 dgp Exp $
sl@0:  */
sl@0: 
sl@0: #include "tclInt.h"
sl@0: #include "tclPort.h"
sl@0: 
sl@0: /*
sl@0:  * The panicProc variable contains a pointer to an application
sl@0:  * specific panic procedure.
sl@0:  */
sl@0: 
sl@0: static Tcl_PanicProc *panicProc = NULL;
sl@0: 
sl@0: /*
sl@0:  * The platformPanicProc variable contains a pointer to a platform
sl@0:  * specific panic procedure, if any.  ( TclpPanic may be NULL via
sl@0:  * a macro. )
sl@0:  */
sl@0: 
sl@0: static Tcl_PanicProc * CONST platformPanicProc = TclpPanic;
sl@0: 
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_SetPanicProc --
sl@0:  *
sl@0:  *	Replace the default panic behavior with the specified functiion.
sl@0:  *
sl@0:  * Results:
sl@0:  *	None.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	Sets the panicProc variable.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: EXPORT_C void
sl@0: Tcl_SetPanicProc(proc)
sl@0:     Tcl_PanicProc *proc;
sl@0: {
sl@0:     panicProc = proc;
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_PanicVA --
sl@0:  *
sl@0:  *	Print an error message and kill the process.
sl@0:  *
sl@0:  * Results:
sl@0:  *	None.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	The process dies, entering the debugger if possible.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: EXPORT_C void
sl@0: Tcl_PanicVA (format, argList)
sl@0:     CONST char *format;		/* Format string, suitable for passing to
sl@0: 				 * fprintf. */
sl@0:     va_list argList;		/* Variable argument list. */
sl@0: {
sl@0:     char *arg1, *arg2, *arg3, *arg4;	/* Additional arguments (variable in
sl@0: 					 * number) to pass to fprintf. */
sl@0:     char *arg5, *arg6, *arg7, *arg8;
sl@0: 
sl@0:     arg1 = va_arg(argList, char *);
sl@0:     arg2 = va_arg(argList, char *);
sl@0:     arg3 = va_arg(argList, char *);
sl@0:     arg4 = va_arg(argList, char *);
sl@0:     arg5 = va_arg(argList, char *);
sl@0:     arg6 = va_arg(argList, char *);
sl@0:     arg7 = va_arg(argList, char *);
sl@0:     arg8 = va_arg(argList, char *);
sl@0:     
sl@0:     if (panicProc != NULL) {
sl@0: 	(void) (*panicProc)(format, arg1, arg2, arg3, arg4,
sl@0: 		arg5, arg6, arg7, arg8);
sl@0:     } else if (platformPanicProc != NULL) {
sl@0: 	(void) (*platformPanicProc)(format, arg1, arg2, arg3, arg4,
sl@0: 		arg5, arg6, arg7, arg8);
sl@0:     } else {
sl@0: 	(void) fprintf(stderr, format, arg1, arg2, arg3, arg4, arg5, arg6,
sl@0: 		arg7, arg8);
sl@0: 	(void) fprintf(stderr, "\n");
sl@0: 	(void) fflush(stderr);
sl@0: 	abort();
sl@0:     }
sl@0: }
sl@0: 
sl@0: /*
sl@0:  *----------------------------------------------------------------------
sl@0:  *
sl@0:  * Tcl_Panic --
sl@0:  *
sl@0:  *	Print an error message and kill the process.
sl@0:  *
sl@0:  * Results:
sl@0:  *	None.
sl@0:  *
sl@0:  * Side effects:
sl@0:  *	The process dies, entering the debugger if possible.
sl@0:  *
sl@0:  *----------------------------------------------------------------------
sl@0:  */
sl@0: 
sl@0: 	/* VARARGS ARGSUSED */
sl@0: EXPORT_C void
sl@0: Tcl_Panic TCL_VARARGS_DEF(CONST char *,arg1)
sl@0: {
sl@0:     va_list argList;
sl@0:     CONST char *format;
sl@0: 
sl@0:     format = TCL_VARARGS_START(CONST char *,arg1,argList);
sl@0:     Tcl_PanicVA(format, argList);
sl@0:     va_end (argList);
sl@0: }