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>

diff --git a/fs/unicode/utf8-norm.c b/fs/unicode/utf8-norm.c
index 12abf89..4b1b533 100644 (file)
--- 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 85a7beb..e4c8a76 100644 (file)
--- 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.