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author | dgp <dgp@noemail.net> | 2004-11-13 00:41:56 (GMT) |
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committer | dgp <dgp@noemail.net> | 2004-11-13 00:41:56 (GMT) |
commit | 03a072212a5fdc8955200723dc0939ca399d0f44 (patch) | |
tree | bcbdc1438b205e9c59a551b0a3b9a7cf14ac1851 /library/init.tcl | |
parent | 7c1c14c4f42eb1d05ccb31dfdfc40d43d0ae7c84 (diff) | |
download | tcl-03a072212a5fdc8955200723dc0939ca399d0f44.zip tcl-03a072212a5fdc8955200723dc0939ca399d0f44.tar.gz tcl-03a072212a5fdc8955200723dc0939ca399d0f44.tar.bz2 |
* library/init.tcl: Made [unknown] robust in the case that
either of the variables ::errorInfo or ::errorCode gets unset.
[Bug 1063707]
FossilOrigin-Name: e526fa14ad59fdfa8d1f3928b1f34e63fbab78b9
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] |