forked from Mirrors/wine-wine
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/*
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* Copyright 2019 Nikolay Sivov for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "mfidl.h"
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#include "wine/heap.h"
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static inline BOOL mf_array_reserve(void **elements, size_t *capacity, size_t count, size_t size)
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{
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size_t new_capacity, max_capacity;
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void *new_elements;
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if (count <= *capacity)
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return TRUE;
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max_capacity = ~(SIZE_T)0 / size;
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if (count > max_capacity)
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return FALSE;
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new_capacity = max(4, *capacity);
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while (new_capacity < count && new_capacity <= max_capacity / 2)
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new_capacity *= 2;
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if (new_capacity < count)
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new_capacity = max_capacity;
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if (!(new_elements = heap_realloc(*elements, new_capacity * size)))
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return FALSE;
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*elements = new_elements;
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*capacity = new_capacity;
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return TRUE;
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}
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struct activate_funcs
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{
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HRESULT (*create_object)(IMFAttributes *attributes, void *context, IUnknown **object);
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void (*free_private)(void *context);
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};
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HRESULT create_activation_object(void *context, const struct activate_funcs *funcs, IMFActivate **ret) DECLSPEC_HIDDEN;
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