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Re: [libvirt] [PATCHv2 1/4] Change virFileOperation to return -errno (ie < 0) on error.



On Mon, Jul 19, 2010 at 09:21:52PM -0400, Laine Stump wrote:
> virFileOperation previously returned 0 on success, or the value of
> errno on failure. Although there are other functions in libvirt that
> use this convention, the preferred (and more common) convention is to
> return 0 on success and -errno (or simply -1 in some cases) on
> failure. This way the check for failure is always (ret < 0).
> 
> * src/util/util.c - change virFileOperation and virFileOperationNoFork to
>                     return -errno on failure.
> 
> * src/storage/storage_backend.c, src/qemu/qemu_driver.c
>   - change the hook functions passed to virFileOperation to return
>     -errno on failure.

  ACK,

Daniel

-- 
Daniel Veillard      | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
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http://veillard.com/ | virtualization library  http://libvirt.org/


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