[libvirt] [PATCH] Avoid crash in virBufferEscapeString

[Daniel Veillard]

On Wed, Oct 14, 2009 at 11:55:19PM -0400, Laine Stump wrote:
> If virBufferEscapeString is called on a buffer that has 0 bytes of
> space, a size of -1 will be passed to snprintf, resulting in a
> segmentation fault. This patch checks for 0 space, and grows the
> buffer if needed prior to determining size.
> 
> I discovered this when I accidentally made virBufferEscapeString the
> first function to add something to a newly minted buffer.

  Argh, right, I applied the patch,

   thanks !

Daniel

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