From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1eibAu-0000Ak-8e for barebox@lists.infradead.org; Mon, 05 Feb 2018 07:26:50 +0000 Date: Mon, 5 Feb 2018 08:26:36 +0100 From: Sascha Hauer Message-ID: <20180205072636.pqq2achw4pmbpmip@pengutronix.de> References: <20180201103717.17429-1-p.zabel@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20180201103717.17429-1-p.zabel@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH 1/3] fs/parseopt: Add parseopt_llu_suffix To: Philipp Zabel Cc: barebox@lists.infradead.org On Thu, Feb 01, 2018 at 11:37:15AM +0100, Philipp Zabel wrote: > Add an option parser using strtoull_suffix that can be used to > parse a loop mount offset option. > > Signed-off-by: Philipp Zabel > --- > include/parseopt.h | 2 ++ > lib/parseopt.c | 30 ++++++++++++++++++++++++++++++ > 2 files changed, 32 insertions(+) Applied, thanks Sascha > > diff --git a/include/parseopt.h b/include/parseopt.h > index 1f9763f8c9..273a371ac3 100644 > --- a/include/parseopt.h > +++ b/include/parseopt.h > @@ -1,5 +1,7 @@ > #ifndef __PARSEOPT_H__ > #define __PARSEOPT_H__ > +void parseopt_llu_suffix(const char *options, const char *opt, > + unsigned long long *val); > > void parseopt_b(const char *options, const char *opt, bool *val); > void parseopt_hu(const char *options, const char *opt, unsigned short *val); > diff --git a/lib/parseopt.c b/lib/parseopt.c > index 8211733e3b..70983066d9 100644 > --- a/lib/parseopt.c > +++ b/lib/parseopt.c > @@ -122,3 +122,33 @@ again: > > *val = xstrndup(parsed, endp - parsed); > } > + > +void parseopt_llu_suffix(const char *options, const char *opt, > + unsigned long long *val) > +{ > + const char *start; > + size_t optlen = strlen(opt); > + unsigned long long v; > + char *endp; > + > +again: > + start = strstr(options, opt); > + > + if (!start) > + return; > + > + if (start > options && start[-1] != ',') { > + options = start; > + goto again; > + } > + > + if (start[optlen] != '=') { > + options = start; > + goto again; > + } > + > + v = strtoull_suffix(start + optlen + 1, &endp, 0); > + > + if (*endp == ',' || *endp == '\0') > + *val = v; > +} > -- > 2.15.1 > > > _______________________________________________ > barebox mailing list > barebox@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox