Re: [Qemu-devel] [PATCH v2 5/5] qmp: Add example usage of strto*l() qemu wrapper

[Paolo Bonzini <pbonzini@redhat.com>]

On 19/07/2015 01:52, Carlos L. Torres wrote:
> +    int err;
>  
>      info->qemu = g_new0(VersionTriple, 1);
> -    info->qemu->major = strtol(version, &tmp, 10);
> +    err = qemu_strtol(version, &tmp, 10, &(info->qemu->major));

There are usually no parentheses around the argument of the & operator.

> +    if (err) {
> +        error_setg(errp, "There was a problem retrieving QEMU major version.");
> +    }

I think it's okay to just assert that err is zero.  Otherwise, this
simple example is okay.  Thanks!

Paolo

>      tmp++;
> -    info->qemu->minor = strtol(tmp, &tmp, 10);
> +
> +    err = qemu_strtol(tmp, &tmp, 10, &(info->qemu->minor));
> +    if (err) {
> +        error_setg(errp, "There was a problem retrieving QEMU minor version.");
> +    }
>      tmp++;
> -    info->qemu->micro = strtol(tmp, &tmp, 10);
> +
> +    err = qemu_strtol(tmp, &tmp, 10, &(info->qemu->micro));
> +    if (err) {
> +        error_setg(errp, "There was a problem retrieving QEMU micro version.");
> +    }