/* $Id: unormalize.h,v 1.20 2003/01/20 12:54:05 m-kasahr Exp $ */
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#ifndef IDN_UNORMALIZE_H
#define IDN_UNORMALIZE_H 1

#ifdef __cplusplus
extern "C" {
#endif

/*
 * Unicode Normalizations.
 *
 * Perform 4 normalizations defined by 'Unicode Normalization Forms'
 * (http://www.unicode.org/unicode/reports/tr15)
 *
 * All of the functions use UCS4 encoding for input/output.
 */

#include <idn/result.h>
#include <idn/unicode.h>

/*
 * Perform Unicode Normalication Form C and KC.
 *
 * They take NUL-terminated UCS4 encoded string 'from', perform
 * the normalization specified by 'version', put the result
 * (also a NUL-terminated UCS4 encoded string) to 'to', which must be
 * able to hold at least 'tolen' bytes.
 *
 * Returns:
 *	idn_success		-- ok.
 *	idn_nomemory		-- malloc failed.
 * 	idn_buffer_overflow	-- 'tolen' is too small.
 */
extern idn_result_t
idn__unormalize_formkc(idn__unicode_version_t version,
		       const unsigned long *from, unsigned long *to,
		       size_t tolen);

#ifdef __cplusplus
}
#endif

#endif /* IDN_UNORMALIZE_H */
