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Tue, 28 May 2019 07:39:57 +0000 Received: from NWD2HUBCAS7.ad.analog.com (nwd2hubcas7.ad.analog.com [10.64.69.107]) by nwd2mta1.analog.com (8.13.8/8.13.8) with ESMTP id x4S7duOZ023275 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=OK); Tue, 28 May 2019 00:39:56 -0700 Received: from saturn.analog.com (10.50.1.244) by NWD2HUBCAS7.ad.analog.com (10.64.69.107) with Microsoft SMTP Server id 14.3.408.0; Tue, 28 May 2019 03:39:56 -0400 From: Alexandru Ardelean To: , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , Alexandru Ardelean Subject: [PATCH 3/3][V2] lib: re-introduce new match_string() helper/macro Date: Tue, 28 May 2019 10:39:32 +0300 Message-ID: <20190528073932.25365-3-alexandru.ardelean@analog.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190528073932.25365-1-alexandru.ardelean@analog.com> References: <20190508112842.11654-1-alexandru.ardelean@analog.com> <20190528073932.25365-1-alexandru.ardelean@analog.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ADIRoutedOnPrem: True X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:137.71.25.55;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(1496009)(136003)(39860400002)(346002)(396003)(376002)(2980300002)(199004)(189003)(126002)(2441003)(86362001)(44832011)(5660300002)(2201001)(478600001)(446003)(476003)(2616005)(53416004)(47776003)(316002)(11346002)(2870700001)(2906002)(6666004)(356004)(50226002)(51416003)(7696005)(7416002)(76176011)(48376002)(4326008)(305945005)(70586007)(70206006)(336012)(26005)(77096007)(186003)(1076003)(7636002)(246002)(486006)(426003)(7406005)(110136005)(54906003)(106002)(107886003)(50466002)(36756003)(8936002)(8676002)(921003)(83996005)(1121003)(2101003);DIR:OUT;SFP:1101;SCL:1;SRVR:BLUPR03MB552;H:nwd2mta1.analog.com;FPR:;SPF:Pass;LANG:en;PTR:nwd2mail10.analog.com;A:1;MX:1; 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After this change, work can start on migrating subsystems to use this new helper. Since the original helper is pretty used, migrating to this new one will take a while, and will be reviewed by each subsystem. Signed-off-by: Alexandru Ardelean --- include/linux/string.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/linux/string.h b/include/linux/string.h index 7149fcdf62df..34491b075449 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -198,6 +198,15 @@ static inline int strtobool(const char *s, bool *res) int __match_string(const char * const *array, size_t n, const char *string); int __sysfs_match_string(const char * const *array, size_t n, const char *s); +/** + * match_string - matches given string in an array + * @_a: array of strings + * @_s: string to match with + * + * Helper for __match_string(). Calculates the size of @a automatically. + */ +#define match_string(_a, _s) __match_string(_a, ARRAY_SIZE(_a), _s) + /** * sysfs_match_string - matches given string in an array * @_a: array of strings -- 2.20.1