diff options
Diffstat (limited to 'generic/tclTrace.c')
| -rw-r--r-- | generic/tclTrace.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/generic/tclTrace.c b/generic/tclTrace.c index 9d7ab86..6976a06 100644 --- a/generic/tclTrace.c +++ b/generic/tclTrace.c @@ -11,7 +11,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclTrace.c,v 1.26 2005/07/23 00:04:31 dkf Exp $ + * RCS: @(#) $Id: tclTrace.c,v 1.27 2005/10/29 19:16:32 msofer Exp $ */ #include "tclInt.h" @@ -1915,7 +1915,7 @@ TraceVarProc(clientData, interp, name1, name2, flags) { TraceVarInfo *tvarPtr = (TraceVarInfo *) clientData; char *result; - int code; + int code, destroy = 0; Tcl_DString cmd; /* @@ -1975,7 +1975,9 @@ TraceVarProc(clientData, interp, name1, name2, flags) * double-free might occur depending on what the eval does. */ - if (flags & TCL_TRACE_DESTROYED) { + if ((flags & TCL_TRACE_DESTROYED) + && !(tvarPtr->flags & TCL_TRACE_DESTROYED)) { + destroy = 1; tvarPtr->flags |= TCL_TRACE_DESTROYED; } code = Tcl_EvalEx(interp, Tcl_DStringValue(&cmd), @@ -1988,7 +1990,7 @@ TraceVarProc(clientData, interp, name1, name2, flags) Tcl_DStringFree(&cmd); } } - if (flags & TCL_TRACE_DESTROYED) { + if (destroy) { if (result != NULL) { register Tcl_Obj *errMsgObj = (Tcl_Obj *) result; |