Re: read error
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- Subject: Re: read error
- From: Patrick Donnelly <batrick@...>
- Date: Tue, 8 Nov 2011 11:03:06 -0500
On Tue, Nov 8, 2011 at 9:48 AM, Roberto Ierusalimschy
<roberto@inf.puc-rio.br> wrote:
> I am trying to test errors in read operations (io.read - io.line). Does
> anyone know a reliable/automatic way to generate a read error on
> Linux? (That is, a situation where fread returns EOF and ferror returns
> not zero.)
batrick@neverwinter:~$ lua
Lua 5.1.4 Copyright (C) 1994-2008 Lua.org, PUC-Rio
> f = io.open("/proc/self/mem")
> =f
file (0x144f760)
> =f:read()
nil Input/output error 5
Usually first memory block is not mapped so this will always result in an error.
--
- Patrick Donnelly