[...]
Before it's too late...
> +
> +/**
> + * virStringParsePort:
> + * @str: port number to parse
> + * @port: pointer to parse port into
> + *
> + * Parses a string representation of a network port and validates it. Returns
> + * 0 on success and -1 on error.
> + */
> +int
> +virStringParsePort(const char *str,
> + int *port)
> +{
> + unsigned int p = 0;
> +
> + *port = 0;
> +
> + if (!str)
> + return 0;
> +
> + if (virStrToLong_uip(str, NULL, 10, &p) < 0) {
> + virReportError(VIR_ERR_INVALID_ARG,
> + _("failed to parse port number '%s'"), str);
> + return -1;
> + }
> +
> + if (p > 65535) {
Should this be UINT16_MAX ?
> + virReportError(VIR_ERR_INVALID_ARG,
> + _("port '%s' out of range"), str);
> + return -1;
> + }
> +
> + *port = p;
> +
> + return 0;
> +}
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