bsd/sys/utfconv.h

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_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. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #ifndef _SYS_UTFCONV_H_
  25 #define _SYS_UTFCONV_H_
  26
  27 #include <sys/appleapiopts.h>
  28 #include <sys/cdefs.h>
  29
  30 #ifdef KERNEL
  31 #ifdef __APPLE_API_UNSTABLE
  32 /*
  33  * UTF-8 encode/decode flags
  34  */
  35 #define UTF_REVERSE_ENDIAN      0x01    /* reverse UCS-2 byte order */
  36 #define UTF_NO_NULL_TERM        0x02    /* do not add null termination */
  37 #define UTF_DECOMPOSED          0x04    /* generate fully decomposed UCS-2 */
  38 #define UTF_PRECOMPOSED         0x08    /* generate precomposed UCS-2 */
  39
  40 __BEGIN_DECLS
  41 size_t  utf8_encodelen(const u_int16_t *, size_t, u_int16_t, int);
  42
  43 int     utf8_encodestr(const u_int16_t *, size_t, u_int8_t *, size_t *,
  44                 size_t, u_int16_t, int);
  45
  46 int     utf8_decodestr(const u_int8_t *, size_t, u_int16_t *,size_t *,
  47                 size_t, u_int16_t, int);
  48
  49 int     utf8_validatestr(const u_int8_t*, size_t);
  50
  51 __END_DECLS
  52
  53 #endif /* __APPLE_API_UNSTABLE */
  54 #endif /* KERNEL */
  55
  56 #endif /* !_SYS_UTFCONV_H_ */