From: Thomas Monjalon <thomas@monjalon.net>
To: Tyler Retzlaff <roretzla@linux.microsoft.com>
Cc: dev@dpdk.org, anatoly.burakov@intel.com, ranjit.menon@intel.com,
mb@smartsharesystems.com, Tyler Retzlaff <roretzla@microsoft.com>,
stephen@networkplumber.org
Subject: Re: [PATCH 2/3] eal: change rte_fls and rte_bsf to return uint32_t
Date: Wed, 05 Oct 2022 17:23:01 +0200 [thread overview]
Message-ID: <22501102.ssLaC8jLEa@thomas> (raw)
In-Reply-To: <20221005151532.GA7581@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
05/10/2022 17:15, Tyler Retzlaff:
> On Wed, Oct 05, 2022 at 11:02:45AM +0200, Thomas Monjalon wrote:
> > 08/08/2022 23:21, Tyler Retzlaff:
> > > From: Tyler Retzlaff <roretzla@microsoft.com>
> > >
> >
> > You forgot the _safe versions:
>
> >
> > --- a/lib/eal/include/rte_common.h
> > +++ b/lib/eal/include/rte_common.h
> > @@ -660,7 +660,7 @@ rte_bsf32(uint32_t v)
> > * @return
> > * Returns 0 if ``v`` was 0, otherwise returns 1.
> > */
> > -static inline int
> > +static inline uint32_t
> > rte_bsf32_safe(uint32_t v, uint32_t *pos)
> > {
> > if (v == 0)
> > @@ -739,7 +739,7 @@ rte_bsf64(uint64_t v)
> > * @return
> > * Returns 0 if ``v`` was 0, otherwise returns 1.
> > */
> > -static inline int
> > +static inline uint32_t
> > rte_bsf64_safe(uint64_t v, uint32_t *pos)
> > {
> > if (v == 0)
> >
> >
> >
> >
>
> the return values from the _safe versions are `int' treated
> like a bool type. they have been left as is to be consistent
> with the rest of dpdk return value types.
>
> the non-safe version returns were returning actual values
> and not an indication of success or failure.
>
> they could certainly be changed to C99 fixed width types but
> if they are changed at all perhaps they should be changed to
> _Bool or bool from stdbool.h?
>
> it looks like this change has been merged already but if you
> would like to make any further changes let me know i'll take
> care of it.
Sorry, it's my mistake, I went too fast.
I'll revert them to int.
next prev parent reply other threads:[~2022-10-05 15:23 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-10 23:24 [dpdk-dev] [PATCH] doc: propose correction rte_bsf64 return type declaration Tyler Retzlaff
2021-03-15 19:34 ` [dpdk-dev] [PATCH v2] doc: propose correction rte_{bsf, fls} inline functions type use Tyler Retzlaff
2021-10-25 19:14 ` Thomas Monjalon
2021-10-26 7:45 ` Morten Brørup
2021-11-11 4:15 ` Tyler Retzlaff
2021-11-11 11:54 ` Thomas Monjalon
2021-11-11 12:41 ` Morten Brørup
2022-07-11 14:07 ` Jerin Jacob
2022-07-13 10:13 ` Thomas Monjalon
2022-07-18 21:28 ` Tyler Retzlaff
2022-08-08 21:21 ` [PATCH 0/3] cleanup bsf and fls inline function return types Tyler Retzlaff
2022-08-08 21:21 ` [PATCH 1/3] doc: announce cleanup of rte_{bsf, fls} inline functions type use Tyler Retzlaff
2022-10-05 9:06 ` Thomas Monjalon
2022-08-08 21:21 ` [PATCH 2/3] eal: change rte_fls and rte_bsf to return uint32_t Tyler Retzlaff
2022-10-05 9:02 ` Thomas Monjalon
2022-10-05 15:15 ` Tyler Retzlaff
2022-10-05 15:23 ` Thomas Monjalon [this message]
2022-10-05 15:40 ` [PATCH] eal: fix return type of bsf safe functions Thomas Monjalon
2022-10-05 19:41 ` David Marchand
2022-10-05 22:20 ` Tyler Retzlaff
2022-10-06 0:27 ` Thomas Monjalon
2022-10-06 18:20 ` Mattias Rönnblom
2022-08-08 21:21 ` [PATCH 3/3] test: fix sign compare warning for rte_bsf64 return type change Tyler Retzlaff
2022-08-08 21:42 ` [PATCH 0/3] cleanup bsf and fls inline function return types Stephen Hemminger
2022-08-09 8:26 ` Morten Brørup
2022-10-05 10:11 ` Thomas Monjalon
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