Function fs_parse_device_param

dpdk/drivers/net/failsafe/failsafe_args.c:199–256

}

static int
fs_parse_device_param(struct rte_eth_dev *dev, const char *param,
		uint8_t head)
{
	struct fs_priv *priv;
	struct sub_device *sdev;
	char *args = NULL;
	size_t a, b;
	int ret;

	priv = PRIV(dev);
	a = 0;
	b = 0;
	ret = 0;
	while  (param[b] != '(' &&
		param[b] != '\0')
		b++;
	a = b;
	b += closing_paren(&param[b]);
	if (a == b) {
		ERROR("Dangling parenthesis");
		return -EINVAL;
	}
	a += 1;
	args = strndup(&param[a], b - a);
	if (args == NULL) {
		ERROR("Not enough memory for parameter parsing");
		return -ENOMEM;
	}
	sdev = &priv->subs[head];
	if (strncmp(param, "dev", 3) == 0) {
		ret = fs_parse_device(sdev, args);
		if (ret)
			goto free_args;
	} else if (strncmp(param, "exec", 4) == 0) {
		ret = fs_execute_cmd(sdev, args);
		if (ret == -ENODEV) {
			DEBUG("Reading device info from command line failed");
			ret = 0;
		}
		if (ret)
			goto free_args;
	} else if (strncmp(param, "fd(", 3) == 0) {
		ret = fs_read_fd(sdev, args);
		if (ret == -ENODEV) {
			DEBUG("Reading device info from FD failed");
			ret = 0;
		}
		if (ret)
			goto free_args;
	} else {
		ERROR("Unrecognized device type: %.*s", (int)b, param);
		ret = -EINVAL;
	}
free_args:
	free(args);
	return ret;
}