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f2fs: use strncasecmp() simplify the string comparison

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Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Gu Zheng 2013-08-22 18:11:25 +08:00 committed by Jaegeuk Kim
parent 8cb8268809
commit 749ebfd174
1 changed files with 1 additions and 11 deletions
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12
fs/f2fs/namei.c
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@ -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);
}
/*