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authormsofer <msofer@noemail.net>2005-10-23 22:01:26 (GMT)
committermsofer <msofer@noemail.net>2005-10-23 22:01:26 (GMT)
commit948624ebed428bc0d1f86d477d4d284f12252a35 (patch)
treec2da79f4e5a542014dab31edea47e6bd46a22b4c /generic/tclCmdIL.c
parentdf4961a80660325037730842dfda4c1b6e37c43f (diff)
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* generic/tclBasic.c:
* generic/tclBinary.c: * generic/tclCmdAH.c: * generic/tclCmdIL.c: * generic/tclCmdMZ.c: * generic/tclExecute.c: * generic/tclLink.c: * generic/tclMain.c: * generic/tclProc.c: * generic/tclScan.c: * generic/tclTest.c: * generic/tclVar.c: * mac/tclMacInit.c: * unix/tclUnixInit.c: * win/tclWinInit.c: Insure that the core never calls TclPtrSetVar, Tcl_SetVar2Ex, Tcl_ObjSetVar2 or Tcl_SetObjErrorCode with a 0-ref new value. It is not possible to handle error returns correctly in that case [Bug 1334947], one has the choice of leaking the object in some cases, or else risk crashing in some others. FossilOrigin-Name: 8761ab798f625b66cadb3eaf8fafdedce6553a02
Diffstat (limited to 'generic/tclCmdIL.c')
-rw-r--r--generic/tclCmdIL.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/generic/tclCmdIL.c b/generic/tclCmdIL.c
index ab5c876..f38011b 100644
--- a/generic/tclCmdIL.c
+++ b/generic/tclCmdIL.c
@@ -15,7 +15,7 @@
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclCmdIL.c,v 1.47.2.6 2005/07/29 14:57:26 dkf Exp $
+ * RCS: @(#) $Id: tclCmdIL.c,v 1.47.2.7 2005/10/23 22:01:29 msofer Exp $
*/
#include "tclInt.h"
@@ -933,10 +933,11 @@ InfoDefaultCmd(dummy, interp, objc, objv)
Tcl_SetIntObj(Tcl_GetObjResult(interp), 1);
} else {
Tcl_Obj *nullObjPtr = Tcl_NewObj();
+ Tcl_IncrRefCount(nullObjPtr);
valueObjPtr = Tcl_ObjSetVar2(interp, objv[4], NULL,
nullObjPtr, 0);
+ Tcl_DecrRefCount(nullObjPtr); /* free unneeded obj */
if (valueObjPtr == NULL) {
- Tcl_DecrRefCount(nullObjPtr); /* free unneeded obj */
goto defStoreError;
}
Tcl_SetIntObj(Tcl_GetObjResult(interp), 0);