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Diffstat (limited to 'generic/tclPanic.c')
-rw-r--r-- | generic/tclPanic.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/generic/tclPanic.c b/generic/tclPanic.c new file mode 100644 index 0000000..af795e1 --- /dev/null +++ b/generic/tclPanic.c @@ -0,0 +1,123 @@ +/* + * tclPanic.c -- + * + * Source code for the "Tcl_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. + * 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 1.1 1999/03/03 00:38:42 stanton Exp $ + */ + +#include "tclInt.h" + +/* + * 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; +} + +/* + *---------------------------------------------------------------------- + * + * 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 (format, argList) + 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 { + (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 */ +void +Tcl_Panic TCL_VARARGS_DEF(char *,arg1) +{ + va_list argList; + char *format; + + format = TCL_VARARGS_START(char *,arg1,argList); + Tcl_PanicVA(format, argList); + va_end (argList); +} |