/* * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with FFmpeg; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVUTIL_DYNARRAY_H #define AVUTIL_DYNARRAY_H #include "log.h" #include "mem.h" /** * Add an element to a dynamic array. * * The array is reallocated when its number of elements reaches powers of 2. * Therefore, the amortized cost of adding an element is constant. * * In case of success, the pointer to the array is updated in order to * point to the new grown array, and the size is incremented. * * @param av_size_max maximum size of the array, usually the MAX macro of * the type of the size * @param av_elt_size size of the elements in the array, in bytes * @param av_array pointer to the array, must be a lvalue * @param av_size size of the array, must be an integer lvalue * @param av_success statement to execute on success; at this point, the * size variable is not yet incremented * @param av_failure statement to execute on failure; if this happens, the * array and size are not changed; the statement can end * with a return or a goto */ #define FF_DYNARRAY_ADD(av_size_max, av_elt_size, av_array, av_size, \ av_success, av_failure) … #endif /* AVUTIL_DYNARRAY_H */