vserver 1.9.3

[linux-2.6.git] / include / linux / nls.h

diff --git a/include/linux/nls.h b/include/linux/nls.h
index 1c657d4..816c04a 100644 (file)
--- a/include/linux/nls.h
+++ b/include/linux/nls.h
@@ -33,6 +33,31 @@ extern int utf8_mbstowcs(wchar_t *, const __u8 *, int);
 extern int utf8_wctomb(__u8 *, wchar_t, int);
 extern int utf8_wcstombs(__u8 *, const wchar_t *, int);
 
+static inline unsigned char nls_tolower(struct nls_table *t, unsigned char c)
+{
+       unsigned char nc = t->charset2lower[c];
+
+       return nc ? nc : c;
+}
+
+static inline unsigned char nls_toupper(struct nls_table *t, unsigned char c)
+{
+       unsigned char nc = t->charset2upper[c];
+
+       return nc ? nc : c;
+}
+
+static inline int nls_strnicmp(struct nls_table *t, const unsigned char *s1,
+               const unsigned char *s2, int len)
+{
+       while (len--) {
+               if (nls_tolower(t, *s1++) != nls_tolower(t, *s2++))
+                       return 1;
+       }
+
+       return 0;
+}
+
 #define MODULE_ALIAS_NLS(name) MODULE_ALIAS("nls_" __stringify(name))
 
 #endif /* _LINUX_NLS_H */