fs/smb/server/unicode.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Some of the source code in this file came from fs/cifs/cifs_unicode.c
   4  * cifs_unicode:  Unicode kernel case support
   5  *
   6  * Function:
   7  *     Convert a unicode character to upper or lower case using
   8  *     compressed tables.
   9  *
  10  *   Copyright (c) International Business Machines  Corp., 2000,2009
  11  *
  12  *
  13  * Notes:
  14  *     These APIs are based on the C library functions.  The semantics
  15  *     should match the C functions but with expanded size operands.
  16  *
  17  *     The upper/lower functions are based on a table created by mkupr.
  18  *     This is a compressed table of upper and lower case conversion.
  19  *
  20  */
  21 #ifndef _SMB_UNICODE_H
  22 #define _SMB_UNICODE_H
  23
  24 #include <asm/byteorder.h>
  25 #include <linux/types.h>
  26 #include <linux/nls.h>
  27 #include <linux/unicode.h>
  28 #include "../../nls/nls_ucs2_utils.h"
  29
  30 #ifdef __KERNEL__
  31 int smb_strtoUTF16(__le16 *to, const char *from, int len,
  32                    const struct nls_table *codepage);
  33 char *smb_strndup_from_utf16(const char *src, const int maxlen,
  34                              const bool is_unicode,
  35                              const struct nls_table *codepage);
  36 int smbConvertToUTF16(__le16 *target, const char *source, int srclen,
  37                       const struct nls_table *cp, int mapchars);
  38 char *ksmbd_extract_sharename(struct unicode_map *um, const char *treename);
  39 #endif
  40
  41 #endif /* _SMB_UNICODE_H */