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SWIG_Tcl_ObjectDelete: Fix potential NULL pointer dereferences

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Olly Betts 2016-12-13 12:19:50 +13:00
commit 23c0865831
1 changed files with 2 additions and 1 deletions
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Lib/tcl/tclrun.swg
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@ -293,7 +293,8 @@ SWIG_Tcl_SetModule(Tcl_Interp *interp, swig_module_info *module) {
SWIGRUNTIME void SWIGRUNTIME void
SWIG_Tcl_ObjectDelete(ClientData clientData) { SWIG_Tcl_ObjectDelete(ClientData clientData) {
swig_instance *si = (swig_instance *) clientData; swig_instance *si = (swig_instance *) clientData;
if ((si) && (si->destroy) && (SWIG_Disown(si->thisvalue))) { if (!si) return;
if (si->destroy && SWIG_Disown(si->thisvalue)) {
if (si->classptr->destructor) { if (si->classptr->destructor) {
(si->classptr->destructor)(si->thisvalue); (si->classptr->destructor)(si->thisvalue);
} }