From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gu Zheng Subject: [PATCH] f2fs: use strncasecmp() simplify the string comparison Date: Thu, 22 Aug 2013 18:11:25 +0800 Message-ID: <5215E3CD.5000903@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: f2fs , linux-kernel , fsdevel To: Kim Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org Signed-off-by: Gu Zheng --- fs/f2fs/namei.c | 12 +----------- 1 files changed, 1 insertions(+), 11 deletions(-) diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 4e47518..106c0b4 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -83,21 +83,11 @@ static int is_multimedia_file(const unsigned char *s, const char *sub) { size_t slen = strlen(s); size_t sublen = strlen(sub); - int ret; if (sublen > slen) return 0; - ret = memcmp(s + slen - sublen, sub, sublen); - if (ret) { /* compare upper case */ - int i; - char upper_sub[8]; - for (i = 0; i < sublen && i < sizeof(upper_sub); i++) - upper_sub[i] = toupper(sub[i]); - return !memcmp(s + slen - sublen, upper_sub, sublen); - } - - return !ret; + return !strncasecmp(s + slen - sublen, sub, sublen); } /* -- 1.7.7