bsd/sys/utfconv.h

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30
  31 #ifndef _SYS_UTFCONV_H_
  32 #define _SYS_UTFCONV_H_
  33
  34 #include <sys/appleapiopts.h>
  35 #include <sys/cdefs.h>
  36
  37 #ifdef KERNEL
  38 #ifdef __APPLE_API_UNSTABLE
  39 /*
  40  * UTF-8 encode/decode flags
  41  */
  42 #define UTF_REVERSE_ENDIAN      0x01    /* reverse UCS-2 byte order */
  43 #define UTF_NO_NULL_TERM        0x02    /* do not add null termination */
  44 #define UTF_DECOMPOSED          0x04    /* generate fully decomposed UCS-2 */
  45 #define UTF_PRECOMPOSED         0x08    /* generate precomposed UCS-2 */
  46
  47 __BEGIN_DECLS
  48 size_t  utf8_encodelen(const u_int16_t *, size_t, u_int16_t, int);
  49
  50 int     utf8_encodestr(const u_int16_t *, size_t, u_int8_t *, size_t *,
  51                 size_t, u_int16_t, int);
  52
  53 int     utf8_decodestr(const u_int8_t *, size_t, u_int16_t *,size_t *,
  54                 size_t, u_int16_t, int);
  55
  56 int     utf8_validatestr(const u_int8_t*, size_t);
  57
  58 __END_DECLS
  59
  60 #endif /* __APPLE_API_UNSTABLE */
  61 #endif /* KERNEL */
  62
  63 #endif /* !_SYS_UTFCONV_H_ */