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From: | Gerd Hoffmann |
Subject: | [Qemu-devel] Re: [PATCH 1/5] char: Let the caller know how many bytes were written in case of incomplete writes |
Date: | Tue, 06 Apr 2010 09:40:55 +0200 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100330 Fedora/3.0.4-1.fc12 Thunderbird/3.0.4 |
Hi,
Make 'len' a pointer instead, and indicate how much of the string was written. The return value will either be the same as 'len' or a negative number indicating an error condition.
I would follow the unix write syscall semantic here and report the number of written bytes using the return value. Matter of taste though.
cheers, Gerd
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