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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #ifndef	_SYS_U8_TEXTPREP_H
     27 #define	_SYS_U8_TEXTPREP_H
     28 
     29 #pragma ident	"@(#)u8_textprep.h	1.1	07/09/11 SMI"
     30 
     31 #include <sys/isa_defs.h>
     32 #include <sys/types.h>
     33 #include <sys/errno.h>
     34 
     35 #ifdef	__cplusplus
     36 extern "C" {
     37 #endif
     38 
     39 /*
     40  * Unicode encoding conversion functions and their macros.
     41  */
     42 #define	UCONV_IN_BIG_ENDIAN		0x0001
     43 #define	UCONV_OUT_BIG_ENDIAN		0x0002
     44 #define	UCONV_IN_SYSTEM_ENDIAN		0x0004
     45 #define	UCONV_OUT_SYSTEM_ENDIAN		0x0008
     46 #define	UCONV_IN_LITTLE_ENDIAN		0x0010
     47 #define	UCONV_OUT_LITTLE_ENDIAN		0x0020
     48 #define	UCONV_IGNORE_NULL		0x0040
     49 #define	UCONV_IN_ACCEPT_BOM		0x0080
     50 #define	UCONV_OUT_EMIT_BOM		0x0100
     51 
     52 extern int uconv_u16tou32(const uint16_t *, size_t *, uint32_t *, size_t *,
     53 	int);
     54 extern int uconv_u16tou8(const uint16_t *, size_t *, uchar_t *, size_t *, int);
     55 extern int uconv_u32tou16(const uint32_t *, size_t *, uint16_t *, size_t *,
     56 	int);
     57 extern int uconv_u32tou8(const uint32_t *, size_t *, uchar_t *, size_t *, int);
     58 extern int uconv_u8tou16(const uchar_t *, size_t *, uint16_t *, size_t *, int);
     59 extern int uconv_u8tou32(const uchar_t *, size_t *, uint32_t *, size_t *, int);
     60 
     61 /*
     62  * UTF-8 text preparation functions and their macros.
     63  *
     64  * Among the macros defined, U8_CANON_DECOMP, U8_COMPAT_DECOMP, and
     65  * U8_CANON_COMP are not public interfaces and must not be used directly
     66  * at the flag input argument.
     67  */
     68 #define	U8_STRCMP_CS			(0x00000001)
     69 #define	U8_STRCMP_CI_UPPER		(0x00000002)
     70 #define	U8_STRCMP_CI_LOWER		(0x00000004)
     71 
     72 #define	U8_CANON_DECOMP			(0x00000010)
     73 #define	U8_COMPAT_DECOMP		(0x00000020)
     74 #define	U8_CANON_COMP			(0x00000040)
     75 
     76 #define	U8_STRCMP_NFD			(U8_CANON_DECOMP)
     77 #define	U8_STRCMP_NFC			(U8_CANON_DECOMP | U8_CANON_COMP)
     78 #define	U8_STRCMP_NFKD			(U8_COMPAT_DECOMP)
     79 #define	U8_STRCMP_NFKC			(U8_COMPAT_DECOMP | U8_CANON_COMP)
     80 
     81 #define	U8_TEXTPREP_TOUPPER		(U8_STRCMP_CI_UPPER)
     82 #define	U8_TEXTPREP_TOLOWER		(U8_STRCMP_CI_LOWER)
     83 
     84 #define	U8_TEXTPREP_NFD			(U8_STRCMP_NFD)
     85 #define	U8_TEXTPREP_NFC			(U8_STRCMP_NFC)
     86 #define	U8_TEXTPREP_NFKD		(U8_STRCMP_NFKD)
     87 #define	U8_TEXTPREP_NFKC		(U8_STRCMP_NFKC)
     88 
     89 #define	U8_TEXTPREP_IGNORE_NULL		(0x00010000)
     90 #define	U8_TEXTPREP_IGNORE_INVALID	(0x00020000)
     91 #define	U8_TEXTPREP_NOWAIT		(0x00040000)
     92 
     93 #define	U8_UNICODE_320			(0)
     94 #define	U8_UNICODE_500			(1)
     95 #define	U8_UNICODE_LATEST		(U8_UNICODE_500)
     96 
     97 #define	U8_VALIDATE_ENTIRE		(0x00100000)
     98 #define	U8_VALIDATE_CHECK_ADDITIONAL	(0x00200000)
     99 #define	U8_VALIDATE_UCS2_RANGE		(0x00400000)
    100 
    101 #define	U8_ILLEGAL_CHAR			(-1)
    102 #define	U8_OUT_OF_RANGE_CHAR		(-2)
    103 
    104 extern int u8_validate(char *, size_t, char **, int, int *);
    105 extern int u8_strcmp(const char *, const char *, size_t, int, size_t, int *);
    106 extern size_t u8_textprep_str(char *, size_t *, char *, size_t *, int, size_t,
    107 	int *);
    108 
    109 #ifdef	__cplusplus
    110 }
    111 #endif
    112 
    113 #endif	/* _SYS_U8_TEXTPREP_H */
    114