freebsd-dev/contrib/tcl/generic/panic.c
1997-07-25 19:27:55 +00:00

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/*
* panic.c --
*
* Source code for the "panic" library procedure for Tcl;
* individual applications will probably override this with
* an application-specific panic procedure.
*
* Copyright (c) 1988-1993 The Regents of the University of California.
* Copyright (c) 1994 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* SCCS: @(#) panic.c 1.15 96/09/12 14:55:25
*/
#include <stdio.h>
#ifdef NO_STDLIB_H
# include "../compat/stdlib.h"
#else
# include <stdlib.h>
#endif
#define panic panicDummy
#include "tcl.h"
#undef panic
EXTERN void panic _ANSI_ARGS_((char *format, char *arg1,
char *arg2, char *arg3, char *arg4, char *arg5,
char *arg6, char *arg7, char *arg8));
/*
* The panicProc variable contains a pointer to an application
* specific panic procedure.
*/
void (*panicProc) _ANSI_ARGS_(TCL_VARARGS(char *,format)) = NULL;
/*
*----------------------------------------------------------------------
*
* Tcl_SetPanicProc --
*
* Replace the default panic behavior with the specified functiion.
*
* Results:
* None.
*
* Side effects:
* Sets the panicProc variable.
*
*----------------------------------------------------------------------
*/
void
Tcl_SetPanicProc(proc)
void (*proc) _ANSI_ARGS_(TCL_VARARGS(char *,format));
{
panicProc = proc;
}
/*
*----------------------------------------------------------------------
*
* panic --
*
* Print an error message and kill the process.
*
* Results:
* None.
*
* Side effects:
* The process dies, entering the debugger if possible.
*
*----------------------------------------------------------------------
*/
/* VARARGS ARGSUSED */
void
panic(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8)
char *format; /* Format string, suitable for passing to
* fprintf. */
char *arg1, *arg2, *arg3; /* Additional arguments (variable in number)
* to pass to fprintf. */
char *arg4, *arg5, *arg6, *arg7, *arg8;
{
if (panicProc != NULL) {
(void) (*panicProc)(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();
}
}