From: Wander Lairson Costa <wander@redhat.com>
To: Costa Shulyupin <costa.shul@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Tomas Glozar <tglozar@redhat.com>,
Crystal Wood <crwood@redhat.com>, John Kacur <jkacur@redhat.com>,
Ivan Pravdin <ipravdin.official@gmail.com>,
linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1] tools/rtla: Generate optstring from long options
Date: Thu, 15 Jan 2026 15:06:17 -0300 [thread overview]
Message-ID: <aWksWtNyxUlcVvso@fedora> (raw)
In-Reply-To: <20260108095011.2115719-1-costa.shul@redhat.com>
On Thu, Jan 08, 2026 at 11:49:55AM +0200, Costa Shulyupin wrote:
> getopt_long() processes short and long options independently.
> RTLA, like the majority of applications, uses both short and long
> variants for each logical option.
>
> Since the val member of struct option holds the letter of the short
> variant, the string of short options can be reconstructed from the
> array of long options.
>
> Add getopt_auto() to generate optstring from an array of long options,
> eliminating the need to maintain separate short option strings.
>
> Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
...
That's very clever.
Reviewed-by: Wander Lairson Costa <wander@redhat.com>
prev parent reply other threads:[~2026-01-15 18:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-08 9:49 [PATCH v1] tools/rtla: Generate optstring from long options Costa Shulyupin
2026-01-15 18:06 ` Wander Lairson Costa [this message]
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