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/*
* 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.
*
* 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 1.13 2009/06/30 00:56:08 das Exp $
*/
#include "tclInt.h"
#undef Tcl_Panic
/*
* 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 function.
*
* Results:
* None.
*
* Side effects:
* Sets the panicProc variable.
*
*----------------------------------------------------------------------
*/
void
Tcl_SetPanicProc(
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.
*
*----------------------------------------------------------------------
*/
void
Tcl_PanicVA(
const char *format, /* Format string, suitable for passing to
* fprintf. */
va_list argList) /* Variable argument list. */
{
char *arg1, *arg2, *arg3; /* Additional arguments (variable in number)
* to pass to fprintf. */
char *arg4, *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) {
panicProc(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
} else if (platformPanicProc != NULL) {
platformPanicProc(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7,
arg8);
} else {
fprintf(stderr, format, arg1, arg2, arg3, arg4, arg5, arg6, arg7,
arg8);
fprintf(stderr, "\n");
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.
*
*----------------------------------------------------------------------
*/
/* ARGSUSED */
void
Tcl_Panic(
const char *format,
...)
{
va_list argList;
va_start(argList, format);
Tcl_PanicVA(format, argList);
va_end (argList);
}
/*
* Local Variables:
* mode: c
* c-basic-offset: 4
* fill-column: 78
* End:
*/
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