/* SPDX-License-Identifier: GPL-2.0 */

  #ifndef _LINUX_UCS2_STRING_H_
  #define _LINUX_UCS2_STRING_H_
  
  #include <linux/types.h>	/* for size_t */
  #include <linux/stddef.h>	/* for NULL */
  
  typedef u16 ucs2_char_t;
  
  unsigned long ucs2_strnlen(const ucs2_char_t *s, size_t maxlength);
  unsigned long ucs2_strlen(const ucs2_char_t *s);
  unsigned long ucs2_strsize(const ucs2_char_t *data, unsigned long maxlength);
  int ucs2_strncmp(const ucs2_char_t *a, const ucs2_char_t *b, size_t len);

  unsigned long ucs2_utf8size(const ucs2_char_t *src);
  unsigned long ucs2_as_utf8(u8 *dest, const ucs2_char_t *src,
  			   unsigned long maxlength);

  #endif /* _LINUX_UCS2_STRING_H_ */