static int s_der_encoder_end_container()

in source/der.c [293:317]

• 23 lines of code
• 4 McCabe index (conditional complexity)

static int s_der_encoder_end_container(struct aws_der_encoder *encoder) {
    struct der_tlv tlv;
    if (aws_array_list_back(&encoder->stack, &tlv)) {
        return AWS_OP_ERR;
    }
    aws_array_list_pop_back(&encoder->stack);
    /* update the buffer to point at the next container on the stack */
    if (encoder->stack.length > 0) {
        struct der_tlv outer;
        if (aws_array_list_back(&encoder->stack, &outer)) {
            return AWS_OP_ERR;
        }
        encoder->buffer = (struct aws_byte_buf *)outer.value;
    } else {
        encoder->buffer = &encoder->storage;
    }

    struct aws_byte_buf *seq_buf = (struct aws_byte_buf *)tlv.value;
    tlv.length = (uint32_t)seq_buf->len;
    tlv.value = seq_buf->buffer;
    int result = s_der_write_tlv(&tlv, encoder->buffer);
    aws_byte_buf_clean_up_secure(seq_buf);
    aws_mem_release(encoder->allocator, seq_buf);
    return result;
}