1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _LINUX_UCS2_STRING_H_
 3#define _LINUX_UCS2_STRING_H_
 4
 5#include <linux/types.h>	/* for size_t */
 6#include <linux/stddef.h>	/* for NULL */
 7
 8typedef u16 ucs2_char_t;
 9
10unsigned long ucs2_strnlen(const ucs2_char_t *s, size_t maxlength);
11unsigned long ucs2_strlen(const ucs2_char_t *s);
12unsigned long ucs2_strsize(const ucs2_char_t *data, unsigned long maxlength);
13int ucs2_strncmp(const ucs2_char_t *a, const ucs2_char_t *b, size_t len);
14
15unsigned long ucs2_utf8size(const ucs2_char_t *src);
16unsigned long ucs2_as_utf8(u8 *dest, const ucs2_char_t *src,
17			   unsigned long maxlength);
18
19#endif /* _LINUX_UCS2_STRING_H_ */