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| author | dgp <dgp@users.sourceforge.net> | 2004-11-13 00:41:57 (GMT) |
|---|---|---|
| committer | dgp <dgp@users.sourceforge.net> | 2004-11-13 00:41:57 (GMT) |
| commit | 3bef8b50f37c4ecdbd789f4a6e7a9fcd2a078ef3 (patch) | |
| tree | bcbdc1438b205e9c59a551b0a3b9a7cf14ac1851 /library/init.tcl | |
| parent | 5d132715be3ea1fc57c5b64e85e2de5c3d99fbc0 (diff) | |
| download | tcl-3bef8b50f37c4ecdbd789f4a6e7a9fcd2a078ef3.zip tcl-3bef8b50f37c4ecdbd789f4a6e7a9fcd2a078ef3.tar.gz tcl-3bef8b50f37c4ecdbd789f4a6e7a9fcd2a078ef3.tar.bz2 | |
* library/init.tcl: Made [unknown] robust in the case that
either of the variables ::errorInfo or ::errorCode gets unset.
[Bug 1063707]
Diffstat (limited to 'library/init.tcl')
| -rw-r--r-- | library/init.tcl | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/library/init.tcl b/library/init.tcl index b669d6a..0e7cd94 100644 --- a/library/init.tcl +++ b/library/init.tcl @@ -3,7 +3,7 @@ # Default system startup file for Tcl-based applications. Defines # "unknown" procedure and auto-load facilities. # -# RCS: @(#) $Id: init.tcl,v 1.55.2.3 2004/05/03 14:28:59 dgp Exp $ +# RCS: @(#) $Id: init.tcl,v 1.55.2.4 2004/11/13 00:41:58 dgp Exp $ # # Copyright (c) 1991-1993 The Regents of the University of California. # Copyright (c) 1994-1996 Sun Microsystems, Inc. @@ -189,6 +189,14 @@ proc unknown args { # may get modified if caught errors occur below. The variables will # be restored just before re-executing the missing command. + # Safety check in case something unsets the variables + # ::errorInfo or ::errorCode. [Bug 1063707] + if {![info exists errorCode]} { + set errorCode "" + } + if {![info exists errorInfo]} { + set errorInfo "" + } set savedErrorCode $errorCode set savedErrorInfo $errorInfo set name [lindex $args 0] |