From: Slavomir Kaslev <kaslevs@vmware.com>
To: "rostedt@goodmis.org" <rostedt@goodmis.org>
Cc: "linux-trace-devel@vger.kernel.org" <linux-trace-devel@vger.kernel.org>
Subject: Re: [RFC PATCH v9 01/11] trace-cmd: Make ports unsigned int
Date: Wed, 3 Apr 2019 13:14:39 +0000 [thread overview]
Message-ID: <f6688daaea66596a5696f0e5e7ad7e8ae772823b.camel@vmware.com> (raw)
In-Reply-To: <20190403090002.75119b51@gandalf.local.home>
On Wed, 2019-04-03 at 09:00 -0400, Steven Rostedt wrote:
> On Tue, 2 Apr 2019 16:45:30 +0300
> Slavomir Kaslev <kaslevs@vmware.com> wrote:
>
> > -static int write_ints(char *buf, size_t buf_len, int *arr, int
> > arr_len)
> > +static unsigned int atou(const char *s)
> > +{
> > + long r;
> > +
> > + r = atol(s);
> > + if (r >= 0 && r <= UINT_MAX)
> > + return r;
> > +
> > + return 0;
> > +}
> > +
>
> I wonder if we should do this instead:
>
> /* test a to u */
> static int tatou(const char *s, int *res)
> {
> long r;
>
> r = atol(s);
> if (r >= 0 && r <= UINT_MAX) {
> *res = (unsigned)r;
> return 0;
> }
> return -1;
> }
Makes sense. I did consider it while writing this but decided to go
with the traditional "broken" prototype for such functions.
next prev parent reply other threads:[~2019-04-03 13:14 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-02 13:45 [RFC PATCH v9 00/11] Add VM kernel tracing over vsockets and FIFOs Slavomir Kaslev
2019-04-02 13:45 ` [RFC PATCH v9 01/11] trace-cmd: Make ports unsigned int Slavomir Kaslev
2019-04-03 13:00 ` Steven Rostedt
2019-04-03 13:14 ` Slavomir Kaslev [this message]
2019-04-02 13:45 ` [RFC PATCH v9 02/11] trace-cmd: Detect if vsockets are available Slavomir Kaslev
2019-04-02 13:45 ` [RFC PATCH v9 03/11] trace-cmd: Add tracecmd_create_recorder_virt function Slavomir Kaslev
2019-04-03 13:02 ` Steven Rostedt
2019-04-03 13:12 ` Slavomir Kaslev
2019-04-02 13:45 ` [RFC PATCH v9 04/11] trace-cmd: Add TRACE_REQ and TRACE_RESP messages Slavomir Kaslev
2019-04-02 13:45 ` [RFC PATCH v9 05/11] trace-cmd: Add buffer instance flags for tracing in guest and agent context Slavomir Kaslev
2019-04-02 13:45 ` [RFC PATCH v9 06/11] trace-cmd: Add VM kernel tracing over vsockets transport Slavomir Kaslev
2019-04-02 13:45 ` [RFC PATCH v9 07/11] trace-cmd: Use splice(2) for vsockets if available Slavomir Kaslev
2019-04-02 13:45 ` [RFC PATCH v9 08/11] trace-cmd: Add `trace-cmd setup-guest` command Slavomir Kaslev
2019-04-02 13:45 ` [RFC PATCH v9 09/11] trace-cmd: Try to autodetect number of guest CPUs in setup-guest if not specified Slavomir Kaslev
2019-04-02 13:45 ` [RFC PATCH v9 10/11] trace-cmd: Add setup-guest flag for attaching FIFOs to the guest VM config Slavomir Kaslev
2019-04-02 13:45 ` [RFC PATCH v9 11/11] trace-cmd: Add splice() recording from FIFO without additional pipe buffer Slavomir Kaslev
2019-04-03 12:55 ` Steven Rostedt
2019-04-03 13:11 ` Slavomir Kaslev
2019-04-03 13:16 ` Slavomir Kaslev
2019-04-03 13:25 ` Steven Rostedt
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