Function cvEndWriteSeq

deps/opencv/modules/core/src/datastructs.cpp:871–898

Calls icvFlushSeqWriter and finishes writing process: */

/* Calls icvFlushSeqWriter and finishes writing process: */
CV_IMPL CvSeq *
cvEndWriteSeq( CvSeqWriter * writer )
{
    if( !writer )
        CV_Error( CV_StsNullPtr, "" );

    cvFlushSeqWriter( writer );
    CvSeq* seq = writer->seq;

    /* Truncate the last block: */
    if( writer->block && writer->seq->storage )
    {
        CvMemStorage *storage = seq->storage;
        schar *storage_block_max = (schar *) storage->top + storage->block_size;

        assert( writer->block->count > 0 );

        if( (unsigned)((storage_block_max - storage->free_space)
            - seq->block_max) < CV_STRUCT_ALIGN )
        {
            storage->free_space = cvAlignLeft((int)(storage_block_max - seq->ptr), CV_STRUCT_ALIGN);
            seq->block_max = seq->ptr;
        }
    }

    writer->ptr = 0;
    return seq;
}


/* Create new sequence block: */