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allow nullptr when passing void* values

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This commit is contained in:
Wenzel Jakob 2016-03-26 20:41:28 +01:00
parent de1bca864e
commit 0772967ecf
1 changed files with 9 additions and 1 deletions
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10
include/pybind11/cast.h
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@ -328,6 +328,10 @@ public:
using type_caster<void_type>::cast; using type_caster<void_type>::cast;
bool load(handle h, bool) { bool load(handle h, bool) {
if (h.ptr() == Py_None) {
value = nullptr;
return true;
}
capsule c(h, true); capsule c(h, true);
if (!c.check()) if (!c.check())
return false; return false;
@ -336,8 +340,12 @@ public:
} }
static handle cast(void *ptr, return_value_policy /* policy */, handle /* parent */) { static handle cast(void *ptr, return_value_policy /* policy */, handle /* parent */) {
return capsule(ptr).inc_ref(); if (ptr)
return capsule(ptr).release();
else
return handle(Py_None).inc_ref();
} }
operator void *() { return value; } operator void *() { return value; }
private: private:
void *value; void *value;