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eo: Fix memory leak with overrides 

See 0834511067
And b7840d9177

Ref T5580
This commit is contained in:
Jean-Philippe Andre 2017-08-08 11:01:25 +09:00
parent f79960839d
commit d5ad85abae
1 changed files with 15 additions and 11 deletions
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26
src/lib/eo/eo.c
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@ -116,7 +116,6 @@ static inline void _vtable_chain_write_prepare(Dich_Chain1 *dst);
static inline void
_vtable_chain_merge(Dich_Chain1 *dst, const Dich_Chain1 *src)
{
Eina_Bool writeable = EINA_FALSE;
size_t j;
const op_type_funcs *sf = src->chain2->funcs;
op_type_funcs *df = dst->chain2->funcs;
@ -131,12 +130,8 @@ _vtable_chain_merge(Dich_Chain1 *dst, const Dich_Chain1 *src)
{
if (sf->func && memcmp(df, sf, sizeof(*df)))
{
if (!writeable)
{
_vtable_chain_write_prepare(dst);
df = dst->chain2->funcs + j;
}
_vtable_chain_write_prepare(dst);
df = dst->chain2->funcs + j;
memcpy(df, sf, sizeof(*df));
}
}
@ -1141,6 +1136,14 @@ _vtable_init(Eo_Vtable *vtable, size_t size)
vtable->chain = calloc(vtable->size, sizeof(*vtable->chain));
}
static void
_vtable_free(Eo_Vtable *vtable)
{
if (!vtable) return;
eina_freeq_ptr_main_add(vtable, EINA_FREE_CB(_vtable_func_clean_all), 0);
eina_freeq_ptr_main_add(vtable, free, sizeof(*vtable));
}
static Eina_Bool
_eo_class_mro_has(const _Efl_Class *klass, const _Efl_Class *find)
{
@ -1640,11 +1643,12 @@ efl_object_override(Eo *eo_id, const Efl_Object_Ops *ops)
if (!_eo_class_funcs_set(vtable, ops, obj->klass, klass, 0, EINA_TRUE))
{
// FIXME: Maybe leaking some chain stuff from copy above?
ERR("Failed to override functions for %p", eo_id);
ERR("Failed to override functions for %s@%p. All previous "
"overrides have been reset.", obj->klass->desc->name, eo_id);
if (obj->opt->vtable == vtable)
EO_OPTIONAL_COW_SET(obj, vtable, NULL);
free(vtable);
else
_vtable_free(vtable);
goto err;
}
@ -1654,7 +1658,7 @@ efl_object_override(Eo *eo_id, const Efl_Object_Ops *ops)
{
if (obj->opt->vtable)
{
eina_freeq_ptr_main_add(obj->opt->vtable, free, 0);
_vtable_free(obj->opt->vtable);
EO_OPTIONAL_COW_SET(obj, vtable, NULL);
}
}