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From: Stefan Hajnoczi <stefanha@gmail.com>
To: Fam Zheng <famcool@gmail.com>
Cc: kwolf@redhat.com, qemu-devel@nongnu.org, hch@lst.de
Subject: Re: [Qemu-devel] [PATCH v8 09/12] VMDK: open/read/write for monolithicFlat image
Date: Fri, 8 Jul 2011 13:55:57 +0100	[thread overview]
Message-ID: <CAJSP0QWKcK5SdjBrQ18rzid2nAq_MLcK=3mbXJkcW22uNg5Pwg@mail.gmail.com> (raw)
In-Reply-To: <1309865478-32766-10-git-send-email-famcool@gmail.com>

On Tue, Jul 5, 2011 at 12:31 PM, Fam Zheng <famcool@gmail.com> wrote:
> +        ret = sscanf(p, "%10s %lld %10s %512s",
[...]
> +            ret = sscanf(p, "%10s %lld %10s %511s %lld",

%512s -> %511s

But instead of duplicating the format string and sscanf(3), I suggest
doing sscanf(p, "%10s %lld %10s %511s %lld", ...) once only.

After it returns you can check:
if (ret < 4) {
    ...fail...
} else if (!strcmp(access, "FLAT")) {
    if (ret != 5 || flat_offset < 0) {
        ...fail...
    }
} else {
    if (ret != 4) {
        ...fail...
    }
}

Stefan

  reply	other threads:[~2011-07-08 12:56 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-05 11:31 [Qemu-devel] [PATCH v8 00/12] Adding VMDK monolithic flat support Fam Zheng
2011-07-05 11:31 ` [Qemu-devel] [PATCH v8 01/12] VMDK: introduce VmdkExtent Fam Zheng
2011-07-05 11:31 ` [Qemu-devel] [PATCH v8 02/12] VMDK: bugfix, align offset to cluster in get_whole_cluster Fam Zheng
2011-07-05 11:31 ` [Qemu-devel] [PATCH v8 03/12] VMDK: probe for monolithicFlat images Fam Zheng
2011-07-05 11:31 ` [Qemu-devel] [PATCH v8 04/12] VMDK: separate vmdk_open by format version Fam Zheng
2011-07-05 11:31 ` [Qemu-devel] [PATCH v8 05/12] VMDK: add field BDRVVmdkState.desc_offset Fam Zheng
2011-07-05 11:31 ` [Qemu-devel] [PATCH v8 06/12] VMDK: flush multiple extents Fam Zheng
2011-07-05 11:31 ` [Qemu-devel] [PATCH v8 07/12] VMDK: move 'static' cid_update flag to bs field Fam Zheng
2011-07-05 11:31 ` [Qemu-devel] [PATCH v8 08/12] VMDK: change get_cluster_offset return type Fam Zheng
2011-07-05 11:31 ` [Qemu-devel] [PATCH v8 09/12] VMDK: open/read/write for monolithicFlat image Fam Zheng
2011-07-08 12:55   ` Stefan Hajnoczi [this message]
2011-07-05 11:31 ` [Qemu-devel] [PATCH v8 10/12] VMDK: create different subformats Fam Zheng
2011-07-08 15:29   ` Stefan Hajnoczi
2011-07-09 12:09     ` Fam Zheng
2011-07-05 11:31 ` [Qemu-devel] [PATCH v8 11/12] VMDK: fix coding style Fam Zheng
2011-07-05 11:31 ` [Qemu-devel] [PATCH v8 12/12] block: add bdrv_get_allocated_file_size() operation Fam Zheng
2011-07-08 15:40 ` [Qemu-devel] [PATCH v8 00/12] Adding VMDK monolithic flat support Stefan Hajnoczi

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