Messages in this thread | | | Date | Fri, 8 Feb 2002 20:18:24 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH] read() from driverfs files can read more bytes |
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Hi!
> Ok, I agree with your argument concerning read(). > > Concerning reading/writing from offsets, it's up to the drivers for them > to either support it or not. In the files I've done so far, I return 0 if > show() is called with an offset. Which will give different results if you > read byte-by-byte or an entire chunk. > > It makes the callbacks simpler, but it is not technically correct.
[snip solution]
Why not just say those files are character devices? It is okay for character device to behave like crazy ;-). Pavel -- (about SSSCA) "I don't say this lightly. However, I really think that the U.S. no longer is classifiable as a democracy, but rather as a plutocracy." --hpa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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