diff options
Diffstat (limited to 'generic/tkImage.c')
| -rw-r--r-- | generic/tkImage.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/generic/tkImage.c b/generic/tkImage.c index 31ac3bb..2ebb5de 100644 --- a/generic/tkImage.c +++ b/generic/tkImage.c @@ -11,7 +11,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkImage.c,v 1.7 2000/05/15 18:21:47 ericm Exp $ + * RCS: @(#) $Id: tkImage.c,v 1.8 2000/11/23 13:50:11 dkf Exp $ */ #include "tkInt.h" @@ -232,6 +232,18 @@ Tk_ImageObjCmd(clientData, interp, objc, objv) sprintf(idString, "image%d", dispPtr->imageId); name = idString; firstOption = 3; + } else if (arg[0] == '.') { + /* + * It is a really bad idea to create an image with the + * same name as the root window, and who knows what + * will happen if any other (potential) window name is + * used. So it's prohibited for safety, so stopping + * bug #120819 + */ + Tcl_AppendResult(interp, "image names cannot start with " + "period symbols: \"", arg, "\" is illegal", + (char *)NULL); + return TCL_ERROR; } else { name = arg; firstOption = 4; |