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fixing memleak of shared_ptr objects in python with creating a [wrapped] vector<shared_ptr<Foo>> from a list of shared_ptr<Bar> where Bar is derived from Foo.

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This commit is contained in:
Davy Durham 2019-04-10 05:26:53 +00:00
commit af97d8f29d
1 changed files with 16 additions and 6 deletions
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22
Lib/python/pystdcommon.swg
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@ -45,13 +45,23 @@ namespace swig {
template <class Type>
struct traits_asptr {
static int asptr(PyObject *obj, Type **val) {
Type *p = 0;
swig_type_info *descriptor = type_info<Type>();
int res = descriptor ? SWIG_ConvertPtr(obj, (void **)&p, descriptor, 0) : SWIG_ERROR;
if (SWIG_IsOK(res)) {
if (val) *val = p;
if (val) {
Type *p = 0;
swig_type_info *descriptor = type_info<Type>();
int newmem = 0;
int res = descriptor ? SWIG_ConvertPtrAndOwn(obj, (void **)&p, descriptor, 0, &newmem) : SWIG_ERROR;
if (SWIG_IsOK(res)) {
if (newmem & SWIG_CAST_NEW_MEMORY) {
res |= SWIG_NEWOBJMASK;
}
*val = p;
}
return res;
} else {
swig_type_info *descriptor = type_info<Type>();
int res = descriptor ? SWIG_ConvertPtr(obj, 0, descriptor, 0) : SWIG_ERROR;
return res;
}
return res;
}
};