Re: [Qemu-devel] [PATCH 1/2] QEMUSizedBuffer based QEMUFile

[Eric Blake <eblake@redhat.com>]

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On 08/06/2014 11:30 AM, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
> 
> This is based on Stefan and Joel's patch that creates a QEMUFile that goes
> to a memory buffer; from:
> 
> http://lists.gnu.org/archive/html/qemu-devel/2013-03/msg05036.html
> 
> Using the QEMUFile interface, this patch adds support functions for
> operating on in-memory sized buffers that can be written to or read from.
> 
> Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
> Signed-off-by: Joel Schopp <jschopp@linux.vnet.ibm.com>
> 
> For minor tweeks/rebase I've done to it:
> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> ---
>  include/migration/qemu-file.h |  28 +++
>  include/qemu/typedefs.h       |   1 +
>  qemu-file.c                   | 410 ++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 439 insertions(+)

> +/**
> + * Set the length of the buffer; the primary usage of this
> + * function is to truncate the number of used bytes in the buffer.
> + * The size will not be extended beyond the current number of
> + * allocated bytes in the QEMUSizedBuffer.
> + *
> + * @qsb: A QEMUSizedBuffer
> + * @new_len : The new length of bytes in the buffer

No space before :


> +/*
> + * Convert the QEMUSizedBuffer into a flat buffer.
> + *
> + * Note: If at all possible, try to avoid this function since it
> + *       may unnecessarily copy memory around.
> + *
> + * @qsb: pointer to QEMUSizedBuffer
> + * @start : offset to start at

and again

> + * @count: number of bytes to copy
> + * @buf: a pointer to an optional buffer to write into; the pointer may
> + *       point to NULL in which case the buffer will be allocated;
> + *       if buffer is provided, it must be large enough to hold @count bytes
> + *
> + * Returns the number of bytes  copied into the output buffer

spurious double space


-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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