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Re: [Qemu-devel] [PATCH 2/3] Allow larger return values from get_image_s
From: |
Andreas Färber |
Subject: |
Re: [Qemu-devel] [PATCH 2/3] Allow larger return values from get_image_size() |
Date: |
Fri, 24 Feb 2012 10:15:51 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120208 Thunderbird/10.0.1 |
Am 24.02.2012 01:36, schrieb David Gibson:
> Currently get_image_size(), used to find the size of files, returns an int.
> But for modern systems, int may be only 32-bit and we can have files
> larger than that.
>
> This patch, therefore, changes the return type of get_image_size() to off_t
> (the same as the return type from lseek() itself). It also audits all the
> callers of get_image_size() to make sure they process the new unsigned
> return type correctly.
It's a size, so why off_t and not size_t?
Andreas
>
> This leaves load_image_targphys() with a limited return type, but one thing
> at a time (that function has far more callers to be audited, so it will
> take longer to fix).
>
> Signed-off-by: David Gibson <address@hidden>
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