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 merlin.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dGNUO-0003AZ-TW for barebox@lists.infradead.org; Thu, 01 Jun 2017 10:38:01 +0000 From: Philipp Zabel Date: Thu, 1 Jun 2017 12:37:28 +0200 Message-Id: <1496313450-14507-1-git-send-email-p.zabel@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 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: [PATCH v3 1/3] fs: add parseopt_b for loop mount option To: barebox@lists.infradead.org Signed-off-by: Philipp Zabel --- No changes since v2. --- fs/parseopt.c | 26 ++++++++++++++++++++++++++ fs/parseopt.h | 1 + 2 files changed, 27 insertions(+) diff --git a/fs/parseopt.c b/fs/parseopt.c index 12dbe1813c..8ff83019a7 100644 --- a/fs/parseopt.c +++ b/fs/parseopt.c @@ -2,6 +2,32 @@ #include "parseopt.h" +void parseopt_b(const char *options, const char *opt, bool *val) +{ + const char *start; + size_t optlen = strlen(opt); + +again: + start = strstr(options, opt); + + if (!start) { + *val = false; + return; + } + + if (start > options && start[-1] != ',') { + options = start; + goto again; + } + + if (start[optlen] != ',' && start[optlen] != '\0') { + options = start; + goto again; + } + + *val = true; +} + void parseopt_hu(const char *options, const char *opt, unsigned short *val) { const char *start; diff --git a/fs/parseopt.h b/fs/parseopt.h index a8523b6a10..abf3be3f35 100644 --- a/fs/parseopt.h +++ b/fs/parseopt.h @@ -1 +1,2 @@ +void parseopt_b(const char *options, const char *opt, bool *val); void parseopt_hu(const char *options, const char *opt, unsigned short *val); -- 2.11.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox