diff options
Diffstat (limited to 'generic/tkWindow.c')
| -rw-r--r-- | generic/tkWindow.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/generic/tkWindow.c b/generic/tkWindow.c index bc088f9..04dc7ee 100644 --- a/generic/tkWindow.c +++ b/generic/tkWindow.c @@ -12,7 +12,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkWindow.c,v 1.14 1999/12/16 21:57:36 hobbs Exp $ + * RCS: @(#) $Id: tkWindow.c,v 1.15 2000/03/07 00:09:09 ericm Exp $ */ #include "tkPort.h" @@ -2109,6 +2109,15 @@ Tk_NameToWindow(interp, pathName, tkwin) { Tcl_HashEntry *hPtr; + if (tkwin == NULL) { + /* + * Either we're not really in Tk, or the main window was destroyed and + * we're on our way out of the application + */ + Tcl_AppendResult(interp, "NULL main window", (char *)NULL); + return NULL; + } + hPtr = Tcl_FindHashEntry(&((TkWindow *) tkwin)->mainPtr->nameTable, pathName); if (hPtr == NULL) { |