Create and use a utility Tcl_NRPostProc when decr ref count of values is

all that is needed.

1 files changed, 13 insertions, 6 deletions

diff --git a/generic/tclBasic.c b/generic/tclBasic.c
index 7235be1..d6a460d 100644
--- a/generic/tclBasic.c
+++ b/generic/tclBasic.c
@@ -146,7 +146,6 @@ static int		TEOV_RunEnterTraces(Tcl_Interp *interp,
 			    Command **cmdPtrPtr, Tcl_Obj *commandPtr, int objc,
 			    Tcl_Obj *const objv[]);
 static Tcl_NRPostProc	RewindCoroutineCallback;
-static Tcl_NRPostProc	TailcallCleanup;
 static Tcl_NRPostProc	TEOEx_ByteCodeCallback;
 static Tcl_NRPostProc	TEOEx_ListCallback;
 static Tcl_NRPostProc	TEOV_Error;
@@ -8371,7 +8370,7 @@ TclNRTailcallEval(
          * a now-gone namespace: cleanup and return.
          */
 
-        TailcallCleanup(data, interp, result);
+	Tcl_DecrRefCount(listPtr);
         return result;
     }
 
@@ -8380,18 +8379,26 @@ TclNRTailcallEval(
      */
 
     TclMarkTailcall(interp);
-    TclNRAddCallback(interp, TailcallCleanup, listPtr, NULL, NULL,NULL);
+    TclNRAddCallback(interp, TclNRReleaseValues, listPtr, NULL, NULL,NULL);
     iPtr->lookupNsPtr = (Namespace *) nsPtr;
     return TclNREvalObjv(interp, objc-1, objv+1, 0, NULL);
 }
 
-static int
-TailcallCleanup(
+int
+TclNRReleaseValues(
     ClientData data[],
     Tcl_Interp *interp,
     int result)
 {
-    Tcl_DecrRefCount((Tcl_Obj *) data[0]);
+    int i = 0;
+    while (i < 4) {
+	if (data[i]) {
+	    Tcl_DecrRefCount((Tcl_Obj *) data[i]);
+	} else {
+	    break;
+	}
+	i++;
+    }
     return result;
 }