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Diffstat (limited to 'generic/panic.c')
-rw-r--r-- | generic/panic.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/generic/panic.c b/generic/panic.c new file mode 100644 index 0000000..f7ea508 --- /dev/null +++ b/generic/panic.c @@ -0,0 +1,99 @@ +/* + * 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. + * + * RCS: @(#) $Id: panic.c,v 1.4 1998/09/14 18:39:56 stanton Exp $ + */ + +#include <stdio.h> +#ifdef NO_STDLIB_H +# include "../compat/stdlib.h" +#else +# include <stdlib.h> +#endif + +#define panic panicDummy +#include "tcl.h" +#undef panic + +# undef TCL_STORAGE_CLASS +# define TCL_STORAGE_CLASS DLLEXPORT + +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(); + } +} |