diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | generic/tclInterp.c | 10 | ||||
| -rw-r--r-- | tests/interp.test | 11 |
3 files changed, 22 insertions, 3 deletions
@@ -1,5 +1,9 @@ 2003-05-12 Don Porter <dgp@users.sourceforge.net> + * generic/tclInterp.c: (AliasObjCmd): Added refCounting of the words + * tests/interp.test (interp-33.1): of the target of an interp + alias during its execution. Also added test. [Bug 730244]. + * generic/tclBasic.c (TclInvokeObjectCommand): objv[argc] is no longer set to NULL (Tcl_CreateObjCommand docs already say that it should not be accessed). diff --git a/generic/tclInterp.c b/generic/tclInterp.c index 8d49791..851123d 100644 --- a/generic/tclInterp.c +++ b/generic/tclInterp.c @@ -9,7 +9,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclInterp.c,v 1.20.2.1 2003/03/12 17:51:33 dgp Exp $ + * RCS: @(#) $Id: tclInterp.c,v 1.20.2.2 2003/05/12 22:35:40 dgp Exp $ */ #include "tclInt.h" @@ -1446,7 +1446,7 @@ AliasObjCmd(clientData, interp, objc, objv) #define ALIAS_CMDV_PREALLOC 10 Tcl_Interp *targetInterp; Alias *aliasPtr; - int result, prefc, cmdc; + int result, prefc, cmdc, i; Tcl_Obj **prefv, **cmdv; Tcl_Obj *cmdArr[ALIAS_CMDV_PREALLOC]; aliasPtr = (Alias *) clientData; @@ -1474,6 +1474,9 @@ AliasObjCmd(clientData, interp, objc, objv) Tcl_ResetResult(targetInterp); + for (i=0; i<cmdc; i++) { + Tcl_IncrRefCount(cmdv[i]); + } if (targetInterp != interp) { Tcl_Preserve((ClientData) targetInterp); result = Tcl_EvalObjv(targetInterp, cmdc, cmdv, TCL_EVAL_INVOKE); @@ -1482,6 +1485,9 @@ AliasObjCmd(clientData, interp, objc, objv) } else { result = Tcl_EvalObjv(targetInterp, cmdc, cmdv, TCL_EVAL_INVOKE); } + for (i=0; i<cmdc; i++) { + Tcl_DecrRefCount(cmdv[i]); + } if (cmdv != cmdArr) { ckfree((char *) cmdv); diff --git a/tests/interp.test b/tests/interp.test index a9b9e65..f29aec6 100644 --- a/tests/interp.test +++ b/tests/interp.test @@ -10,7 +10,7 @@ # See the file "license.terms" for information on usage and redistribution # of this file, and for a DISCLAIMER OF ALL WARRANTIES. # -# RCS: @(#) $Id: interp.test,v 1.19.2.2 2003/05/05 16:52:33 dkf Exp $ +# RCS: @(#) $Id: interp.test,v 1.19.2.3 2003/05/12 22:35:40 dgp Exp $ if {[lsearch [namespace children] ::tcltest] == -1} { package require tcltest 2.1 @@ -2919,6 +2919,15 @@ test interp-32.1 { parent's working directory should "\{$parent\} != \{$child\}"} } 1 +test interp-33.1 {refCounting for target words of alias [Bug 730244]} { + # This test will panic if Bug 730244 is not fixed. + interp create i + proc test args {return $args} + trace add execution test enter {interp alias i alias {} ;#} + interp alias i alias {} test this + i eval alias +} this + # cleanup foreach i [interp slaves] { interp delete $i |