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authorChristoph Hellwig <hch@lst.de>2021-09-15 09:00:01 +0200
committerGabriel Krisman Bertazi <krisman@collabora.com>2021-10-11 17:01:50 -0300
commit379210db489c562cd40e9913067149869245a1a0 (patch)
tree695813ca9a64a11d7906de8505be32d69fe85ccc /fs/unicode
parent49bd03cc7e95cb78420305ca2f5ef67497b6fa80 (diff)
unicode: remove the unused utf8{,n}age{min,max} functions
No actually used anywhere. 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.c113
-rw-r--r--fs/unicode/utf8n.h16
2 files changed, 0 insertions, 129 deletions
diff --git a/fs/unicode/utf8-norm.c b/fs/unicode/utf8-norm.c
index 12abf89ae6ec..4b1b53391ce4 100644
--- a/fs/unicode/utf8-norm.c
+++ b/fs/unicode/utf8-norm.c
@@ -392,119 +392,6 @@ static utf8leaf_t *utf8lookup(const struct utf8data *data,
}
/*
- * Maximum age of any character in s.
- * Return -1 if s is not valid UTF-8 unicode.
- * Return 0 if only non-assigned code points are used.
- */
-int utf8agemax(const struct utf8data *data, const char *s)
-{
- utf8leaf_t *leaf;
- int age = 0;
- int leaf_age;
- unsigned char hangul[UTF8HANGULLEAF];
-
- if (!data)
- return -1;
-
- while (*s) {
- leaf = utf8lookup(data, hangul, s);
- if (!leaf)
- return -1;
-
- leaf_age = utf8agetab[LEAF_GEN(leaf)];
- if (leaf_age <= data->maxage && leaf_age > age)
- age = leaf_age;
- s += utf8clen(s);
- }
- return age;
-}
-EXPORT_SYMBOL(utf8agemax);
-
-/*
- * Minimum age of any character in s.
- * Return -1 if s is not valid UTF-8 unicode.
- * Return 0 if non-assigned code points are used.
- */
-int utf8agemin(const struct utf8data *data, const char *s)
-{
- utf8leaf_t *leaf;
- int age;
- int leaf_age;
- unsigned char hangul[UTF8HANGULLEAF];
-
- if (!data)
- return -1;
- age = data->maxage;
- while (*s) {
- leaf = utf8lookup(data, hangul, s);
- if (!leaf)
- return -1;
- leaf_age = utf8agetab[LEAF_GEN(leaf)];
- if (leaf_age <= data->maxage && leaf_age < age)
- age = leaf_age;
- s += utf8clen(s);
- }
- return age;
-}
-EXPORT_SYMBOL(utf8agemin);
-
-/*
- * Maximum age of any character in s, touch at most len bytes.
- * Return -1 if s is not valid UTF-8 unicode.
- */
-int utf8nagemax(const struct utf8data *data, const char *s, size_t len)
-{
- utf8leaf_t *leaf;
- int age = 0;
- int leaf_age;
- unsigned char hangul[UTF8HANGULLEAF];
-
- if (!data)
- return -1;
-
- while (len && *s) {
- leaf = utf8nlookup(data, hangul, s, len);
- if (!leaf)
- return -1;
- leaf_age = utf8agetab[LEAF_GEN(leaf)];
- if (leaf_age <= data->maxage && leaf_age > age)
- age = leaf_age;
- len -= utf8clen(s);
- s += utf8clen(s);
- }
- return age;
-}
-EXPORT_SYMBOL(utf8nagemax);
-
-/*
- * Maximum age of any character in s, touch at most len bytes.
- * Return -1 if s is not valid UTF-8 unicode.
- */
-int utf8nagemin(const struct utf8data *data, const char *s, size_t len)
-{
- utf8leaf_t *leaf;
- int leaf_age;
- int age;
- unsigned char hangul[UTF8HANGULLEAF];
-
- if (!data)
- return -1;
- age = data->maxage;
- while (len && *s) {
- leaf = utf8nlookup(data, hangul, s, len);
- if (!leaf)
- return -1;
- leaf_age = utf8agetab[LEAF_GEN(leaf)];
- if (leaf_age <= data->maxage && leaf_age < age)
- age = leaf_age;
- len -= utf8clen(s);
- s += utf8clen(s);
- }
- return age;
-}
-EXPORT_SYMBOL(utf8nagemin);
-
-/*
* Length of the normalization of s.
* Return -1 if s is not valid UTF-8 unicode.
*
diff --git a/fs/unicode/utf8n.h b/fs/unicode/utf8n.h
index 85a7bebf6927..e4c8a767cf7a 100644
--- a/fs/unicode/utf8n.h
+++ b/fs/unicode/utf8n.h
@@ -34,22 +34,6 @@ extern const struct utf8data *utf8nfdi(unsigned int maxage);
extern const struct utf8data *utf8nfdicf(unsigned int maxage);
/*
- * Determine the maximum age of any unicode character in the string.
- * Returns 0 if only unassigned code points are present.
- * Returns -1 if the input is not valid UTF-8.
- */
-extern int utf8agemax(const struct utf8data *data, const char *s);
-extern int utf8nagemax(const struct utf8data *data, const char *s, size_t len);
-
-/*
- * Determine the minimum age of any unicode character in the string.
- * Returns 0 if any unassigned code points are present.
- * Returns -1 if the input is not valid UTF-8.
- */
-extern int utf8agemin(const struct utf8data *data, const char *s);
-extern int utf8nagemin(const struct utf8data *data, const char *s, size_t len);
-
-/*
* Determine the length of the normalized from of the string,
* excluding any terminating NULL byte.
* Returns 0 if only ignorable code points are present.