From: David Gibson <david@gibson.dropbear.id.au>
To: passt-dev@passt.top
Subject: Re: [PATCH 20/28] cppcheck: Suppress same-value-in-ternary branches warning
Date: Thu, 29 Sep 2022 11:00:55 +1000 [thread overview]
Message-ID: <YzTuR/NUyHUFE56o@yekko> (raw)
In-Reply-To: <20220928225806.101066a9@elisabeth>
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On Wed, Sep 28, 2022 at 10:58:06PM +0200, Stefano Brivio wrote:
> On Wed, 28 Sep 2022 14:33:31 +1000
> David Gibson <david(a)gibson.dropbear.id.au> wrote:
>
> > TIMER_INTERVAL is the minimum of two separately defined intervals which
> > happen to have the same value at present. This results in an expression
> > which has the same value in both branches of a ternary operator, which
> > cppcheck warngs about. This is logically sound in this case, so suppress
> > the error (we appear to already have a similar suppression for clang-tidy).
> >
> > Also add an unmatchedSuppression suppression, since only some cppcheck
> > versions complain about this instance.
> >
> > Signed-off-by: David Gibson <david(a)gibson.dropbear.id.au>
> > ---
> > passt.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/passt.c b/passt.c
> > index 4796c89..2c4a986 100644
> > --- a/passt.c
> > +++ b/passt.c
> > @@ -305,6 +305,7 @@ int main(int argc, char **argv)
> >
> > loop:
> > /* NOLINTNEXTLINE(bugprone-branch-clone): intervals can be the same */
> > + /* cppcheck-suppress [duplicateValueTernary, unmatchedSuppression] */
>
> Somewhat surprisingly to me, NOLINTNEXTLINE means "next line of code",
> not next line altogether -- given that this still works (I wouldn't
> have even tried).
Yeah, I wondered about that and came to the same conclusion.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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next prev parent reply other threads:[~2022-09-29 1:00 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-28 4:33 [PATCH 00/28] Fixes for static checkers David Gibson
2022-09-28 4:33 ` [PATCH 01/28] Clean up parsing of port ranges David Gibson
2022-09-28 20:57 ` Stefano Brivio
2022-09-29 1:04 ` David Gibson
2022-09-28 4:33 ` [PATCH 02/28] clang-tidy: Suppress warning about unchecked error in logfn macro David Gibson
2022-09-28 4:33 ` [PATCH 03/28] clang-tidy: Fix spurious null pointer warning in pasta_start_ns() David Gibson
2022-09-28 4:33 ` [PATCH 04/28] clang-tidy: Remove duplicate #include from icmp.c David Gibson
2022-09-28 4:33 ` [PATCH 05/28] Catch failures when installing signal handlers David Gibson
2022-09-28 4:33 ` [PATCH 06/28] Pack DHCPv6 "on wire" structures David Gibson
2022-09-28 4:33 ` [PATCH 07/28] Clean up parsing in conf_runas() David Gibson
2022-09-28 20:57 ` Stefano Brivio
2022-09-29 1:44 ` David Gibson
2022-09-28 4:33 ` [PATCH 08/28] cppcheck: Reduce scope of some variables David Gibson
2022-09-28 4:33 ` [PATCH 09/28] Don't shadow 'i' in conf_ports() David Gibson
2022-09-28 4:33 ` [PATCH 10/28] Don't shadow global function names David Gibson
2022-09-28 4:33 ` [PATCH 11/28] Stricter checking for nsholder.c David Gibson
2022-09-28 4:33 ` [PATCH 12/28] cppcheck: Work around false positive NULL pointer dereference error David Gibson
2022-09-28 4:33 ` [PATCH 13/28] cppcheck: Use inline suppression for ffsl() David Gibson
2022-09-28 4:33 ` [PATCH 14/28] cppcheck: Use inline suppressions for qrap.c David Gibson
2022-09-28 4:33 ` [PATCH 15/28] cppcheck: Use inline suppression for strtok() in conf.c David Gibson
2022-09-28 4:33 ` [PATCH 16/28] Avoid ugly 'end' members in netlink structures David Gibson
2022-09-28 4:33 ` [PATCH 17/28] cppcheck: Broaden suppression for unused struct members David Gibson
2022-09-28 4:33 ` [PATCH 18/28] cppcheck: Remove localtime suppression for pcap.c David Gibson
2022-09-28 4:33 ` [PATCH 19/28] qrap: Handle case of PATH environment variable being unset David Gibson
2022-09-28 4:33 ` [PATCH 20/28] cppcheck: Suppress same-value-in-ternary branches warning David Gibson
2022-09-28 20:58 ` Stefano Brivio
2022-09-29 1:00 ` David Gibson [this message]
2022-09-28 4:33 ` [PATCH 21/28] cppcheck: Suppress NULL pointer warning in tcp_sock_consume() David Gibson
2022-09-28 20:58 ` Stefano Brivio
2022-09-29 1:07 ` David Gibson
2022-09-28 4:33 ` [PATCH 22/28] Regenerate seccomp.h if seccomp.sh changes David Gibson
2022-09-28 4:33 ` [PATCH 23/28] cppcheck: Avoid errors due to zeroes in bitwise ORs David Gibson
2022-09-28 4:33 ` [PATCH 24/28] cppcheck: Remove unused knownConditionTrueFalse suppression David Gibson
2022-09-28 20:58 ` Stefano Brivio
2022-09-29 1:24 ` David Gibson
2022-09-28 4:33 ` [PATCH 25/28] cppcheck: Remove unused objectIndex suppressions David Gibson
2022-09-28 20:58 ` Stefano Brivio
2022-09-29 1:12 ` David Gibson
2022-09-28 4:33 ` [PATCH 26/28] cppcheck: Remove unused va_list_usedBeforeStarted suppression David Gibson
2022-09-28 4:33 ` [PATCH 27/28] Mark unused functions for cppcheck David Gibson
2022-09-28 4:33 ` [PATCH 28/28] cppcheck: Remove unused unmatchedSuppression suppressions David Gibson
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