bsd/sys/utfconv.h

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