static int s_aws_byte_buf_to_base64_json()

in source/kms.c [308:350]

• 33 lines of code
• 6 McCabe index (conditional complexity)

static int s_aws_byte_buf_to_base64_json(
    struct aws_allocator *allocator,
    struct json_object *obj,
    const char *const key,
    const struct aws_byte_buf *byte_buf) {

    AWS_PRECONDITION(aws_allocator_is_valid(allocator));
    AWS_PRECONDITION(obj);
    AWS_PRECONDITION(aws_c_string_is_valid(key));
    AWS_PRECONDITION(aws_byte_buf_is_valid(byte_buf));

    size_t needed_capacity = 0;
    if (aws_base64_compute_encoded_len(byte_buf->len, &needed_capacity) != AWS_OP_SUCCESS) {
        return AWS_OP_ERR;
    }

    struct aws_byte_buf buf;
    if (aws_byte_buf_init(&buf, allocator, needed_capacity + 1) != AWS_OP_SUCCESS) {
        return AWS_OP_ERR;
    }

    struct aws_byte_cursor cursor = aws_byte_cursor_from_buf(byte_buf);
    if (aws_base64_encode(&cursor, &buf) != AWS_OP_SUCCESS) {
        goto clean_up;
    }

    if (aws_byte_buf_append_null_terminator(&buf) != AWS_OP_SUCCESS) {
        goto clean_up;
    }

    if (s_string_to_json(obj, key, (const char *)buf.buffer) != AWS_OP_SUCCESS) {
        goto clean_up;
    }

    aws_byte_buf_clean_up_secure(&buf);

    return AWS_OP_SUCCESS;

clean_up:
    aws_byte_buf_clean_up_secure(&buf);

    return AWS_OP_ERR;
}