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Fix buffer overflow with GCC 4.5 -D_FORTIFY_SOURCE=2.
https://bugs.gentoo.org/317727
https://sourceforge.net/tracker/?func=detail&aid=3048354&group_id=10894&atid=310894
--- a/generic/tclTrace.c
+++ b/generic/tclTrace.c
@@ -909,7 +909,7 @@ TraceVariableObjCmd(
}
ctvarPtr->traceCmdInfo.length = length;
flags |= TCL_TRACE_UNSETS | TCL_TRACE_RESULT_OBJECT;
- strcpy(ctvarPtr->traceCmdInfo.command, command);
+ memcpy(ctvarPtr->traceCmdInfo.command, command, length + 1);
ctvarPtr->traceInfo.traceProc = TraceVarProc;
ctvarPtr->traceInfo.clientData = (ClientData)
&ctvarPtr->traceCmdInfo;
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