From: Rusty Russell <rusty@rustcorp.com.au>
Date: Mon, 14 Oct 2013 11:01:18 +0000 (+1030)
Subject: ccan/io: simplify I/O callbacks.
X-Git-Url: http://git.ozlabs.org/?p=ccan;a=commitdiff_plain;h=869dc1528e64604e9264c6f12e0f2cb79bf3d79e;hp=869dc1528e64604e9264c6f12e0f2cb79bf3d79e

ccan/io: simplify I/O callbacks.

Use a -1 for error codes.  This makes it easier to write your own io funcs.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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