/*
 * Copyright 2001-2004 Unicode, Inc.
 * 
 * Disclaimer
 * 
 * This source code is provided as is by Unicode, Inc. No claims are
 * made as to fitness for any particular purpose. No warranties of any
 * kind are expressed or implied. The recipient agrees to determine
 * applicability of information provided. If this file has been
 * purchased on magnetic or optical media from Unicode, Inc., the
 * sole remedy for any claim will be exchange of defective media
 * within 90 days of receipt.
 * 
 * Limitations on Rights to Redistribute This Code
 * 
 * Unicode, Inc. hereby grants the right to freely use the information
 * supplied in this file in the creation of products supporting the
 * Unicode Standard, and to make copies of this file in any form
 * for internal or external distribution as long as this notice
 * remains attached.
 */

/* ---------------------------------------------------------------------

    Conversion from UTF-8 to UTF-16.  Header file.

	Stripped and modified for John the Ripper ; see ConvertUTF.h.original
	for the original content. Magnum, 2009

    Author: Mark E. Davis, 1994.
    Rev History: Rick McGowan, fixes & updates May 2001.
		 Fixes & updates, Sept 2001.

------------------------------------------------------------------------ */

/* ---------------------------------------------------------------------
    The following definitions are compiler-specific.
    The C standard does not guarantee that wchar_t has at least
    16 bits, so wchar_t is no less portable than unsigned short!
    All should be unsigned values to avoid sign extension during
    bit mask & shift operations.
------------------------------------------------------------------------ */

#ifndef _CONVERTUTF_H
#define _CONVERTUTF_H

typedef unsigned long	UTF32;	/* at least 32 bits */
typedef unsigned short	UTF16;	/* at least 16 bits */
typedef unsigned char	UTF8;	/* typically 8 bits */

/* Some fundamental constants */
#define UNI_MAX_BMP (UTF32)0x0000FFFF
#define UNI_MAX_UTF16 (UTF32)0x0010FFFF

extern int utf8towcs(UTF16 *target, const UTF8 *source, int len);
extern int utf8towcs2(UTF16 *target, int maxtargetlen, const UTF8 *source, int sourcelen);
extern int plaintowcs(UTF16 *dst, UTF8 *src, int len);

/* --------------------------------------------------------------------- */
#endif /* _CONVERTUTF_H */