Function cvAlignLeft

deps/opencv/modules/core/src/datastructs.cpp:49–53

    (int)cvAlign(sizeof(CvSeqBlock), CV_STRUCT_ALIGN)

CV_INLINE int
cvAlignLeft( int size, int align )
{
    return size & -align;
}

#define CV_GET_LAST_ELEM( seq, block ) \
    ((block)->data + ((block)->count - 1)*((seq)->elem_size))