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[Xen-devel] Re: [RFC PATCH 33/35] Add the Xenbus sysfs and virtual devic
| To: | Chris Wright <chrisw@xxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Re: [RFC PATCH 33/35] Add the Xenbus sysfs and virtual device hotplug driver. |
| From: | Alexey Dobriyan <adobriyan@xxxxxxxxx> |
| Date: | Tue, 9 May 2006 20:06:35 +0400 |
| Cc: | virtualization@xxxxxxxxxxxxxx, Christian Limpach <Christian.Limpach@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Ian Pratt <ian.pratt@xxxxxxxxxxxxx> |
| Delivery-date: | Wed, 10 May 2006 03:41:59 -0700 |
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> +/* Simplified asprintf. */
> +char *kasprintf(const char *fmt, ...)
> +{
> + va_list ap;
> + unsigned int len;
> + char *p, dummy[1];
> +
> + va_start(ap, fmt);
> + /* FIXME: vsnprintf has a bug, NULL should work */
> + len = vsnprintf(dummy, 0, fmt, ap);
> + va_end(ap);
> +
> + p = kmalloc(len + 1, GFP_KERNEL);
> + if (!p)
> + return NULL;
> + va_start(ap, fmt);
> + vsprintf(p, fmt, ap);
> + va_end(ap);
> + return p;
> +}
This should go to lib/
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