From: Kenichi Handa <handa@m17n.org>
Subject: Re: Problem report #13 FALSE
Date: Thu, 11 May 2006 11:19:00 +0900 [thread overview]
Message-ID: <E1Fe0lY-0002QP-00@etlken> (raw)
In-Reply-To: <200604111549.k3BFnQ2N015126@scanner2.ics.uci.edu> (message from Dan Nicolaescu on Tue, 11 Apr 2006 08:49:26 -0700)
Dan Nicolaescu <dann@ics.uci.edu> writes:
> CID: 13
> Checker: FORWARD_NULL (help)
> File: emacs/src/coding.c
> Function: encode_coding_string
> Description: Variable "(coding)->cmp_data" tracked as NULL was passed to a function that dereferences it.
I see no bug here. A member of (coding)->cmp_data is
accessed only after checking (coding)->cmp_data is not NULL.
> Event var_compare_op: Added "(coding)->cmp_data" due to comparison "(coding)->cmp_data == 0"
> Also see events: [var_deref_model]
> At conditional (1): "(coding)->cmp_data == 0" taking true path
> 6435 if (coding->type != coding_type_ccl
> 6436 && (! coding->cmp_data || coding->cmp_data->used == 0))
> 6437 {
Does the checker require it to be writen as below?
> 6436 && (coding->cmp_data ? coding->cmp_data->used == 0 : 1))
---
Kenichi Handa
handa@m17n.org
next prev parent reply other threads:[~2006-05-11 2:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-11 15:49 Problem report #13 Dan Nicolaescu
2006-05-11 2:19 ` Kenichi Handa [this message]
2006-05-11 2:46 ` Problem report #13 FALSE Dan Nicolaescu
2006-05-11 9:30 ` Andreas Schwab
2006-05-11 10:58 ` Kenichi Handa
2006-05-11 9:40 ` Jason Rumney
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