#ifndef __CHARSET_H_
#define __CHARSET_H_
-#define MAX_UTF8_PER_UTF16 4
+#include <linux/types.h>
+
+#define MAX_UTF8_PER_UTF16 3
/**
* utf16_strlen() - Get the length of an utf16 string
* Converts 'size' characters of the utf16 string 'src' to utf8
* written to the 'dest' buffer.
*
- * NOTE that a single utf16 character can generate up to 4 utf8
+ * NOTE that a single utf16 character can generate up to 3 utf8
* characters. See MAX_UTF8_PER_UTF16.
*
* @dest the destination buffer to write the utf8 characters
*/
uint8_t *utf16_to_utf8(uint8_t *dest, const uint16_t *src, size_t size);
+/**
+ * utf8_to_utf16() - Convert an utf8 string to utf16
+ *
+ * Converts up to 'size' characters of the utf16 string 'src' to utf8
+ * written to the 'dest' buffer. Stops at 0x00.
+ *
+ * @dest the destination buffer to write the utf8 characters
+ * @src the source utf16 string
+ * @size maximum number of utf16 characters to convert
+ * @return the pointer to the first unwritten byte in 'dest'
+ */
+uint16_t *utf8_to_utf16(uint16_t *dest, const uint8_t *src, size_t size);
+
#endif /* __CHARSET_H_ */