diff options
author | Christoph Hellwig <hch@lst.de> | 2021-09-15 09:00:02 +0200 |
---|---|---|
committer | Gabriel Krisman Bertazi <krisman@collabora.com> | 2021-10-11 17:01:54 -0300 |
commit | 9012d79cf0c760eb69d54163ee5152c1b504f7aa (patch) | |
tree | a8e422d8e8a21ab0d0329443ce9eee564c3c8195 /fs/unicode | |
parent | 379210db489c562cd40e9913067149869245a1a0 (diff) |
unicode: simplify utf8len
Just use the utf8nlen implementation with a (size_t)-1 len argument,
similar to utf8_lookup. Also move the function to utf8-selftest.c, as
it isn't used anywhere else.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Diffstat (limited to 'fs/unicode')
-rw-r--r-- | fs/unicode/utf8-norm.c | 30 | ||||
-rw-r--r-- | fs/unicode/utf8-selftest.c | 5 | ||||
-rw-r--r-- | fs/unicode/utf8n.h | 1 |
3 files changed, 5 insertions, 31 deletions
diff --git a/fs/unicode/utf8-norm.c b/fs/unicode/utf8-norm.c index 4b1b53391ce4..348d6e97553f 100644 --- a/fs/unicode/utf8-norm.c +++ b/fs/unicode/utf8-norm.c @@ -392,36 +392,6 @@ static utf8leaf_t *utf8lookup(const struct utf8data *data, } /* - * Length of the normalization of s. - * Return -1 if s is not valid UTF-8 unicode. - * - * A string of Default_Ignorable_Code_Point has length 0. - */ -ssize_t utf8len(const struct utf8data *data, const char *s) -{ - utf8leaf_t *leaf; - size_t ret = 0; - unsigned char hangul[UTF8HANGULLEAF]; - - if (!data) - return -1; - while (*s) { - leaf = utf8lookup(data, hangul, s); - if (!leaf) - return -1; - if (utf8agetab[LEAF_GEN(leaf)] > data->maxage) - ret += utf8clen(s); - else if (LEAF_CCC(leaf) == DECOMPOSE) - ret += strlen(LEAF_STR(leaf)); - else - ret += utf8clen(s); - s += utf8clen(s); - } - return ret; -} -EXPORT_SYMBOL(utf8len); - -/* * Length of the normalization of s, touch at most len bytes. * Return -1 if s is not valid UTF-8 unicode. */ diff --git a/fs/unicode/utf8-selftest.c b/fs/unicode/utf8-selftest.c index 37f33890e012..80fb7c75acb2 100644 --- a/fs/unicode/utf8-selftest.c +++ b/fs/unicode/utf8-selftest.c @@ -160,6 +160,11 @@ static const struct { } }; +static ssize_t utf8len(const struct utf8data *data, const char *s) +{ + return utf8nlen(data, s, (size_t)-1); +} + static void check_utf8_nfdi(void) { int i; diff --git a/fs/unicode/utf8n.h b/fs/unicode/utf8n.h index e4c8a767cf7a..41182e5464df 100644 --- a/fs/unicode/utf8n.h +++ b/fs/unicode/utf8n.h @@ -39,7 +39,6 @@ extern const struct utf8data *utf8nfdicf(unsigned int maxage); * Returns 0 if only ignorable code points are present. * Returns -1 if the input is not valid UTF-8. */ -extern ssize_t utf8len(const struct utf8data *data, const char *s); extern ssize_t utf8nlen(const struct utf8data *data, const char *s, size_t len); /* Needed in struct utf8cursor below. */ |