/* $NetBSD: ldap_pvt_uc.h,v 1.1.1.6.6.1 2019/08/10 06:17:13 martin Exp $ */ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 1998-2019 The OpenLDAP Foundation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted only as authorized by the OpenLDAP * Public License. * * A copy of this license is available in file LICENSE in the * top-level directory of the distribution or, alternatively, at * . */ /* * ldap_pvt_uc.h - Header for Unicode functions. * These are meant to be used by the OpenLDAP distribution only. * These should be named ldap_pvt_....() */ #ifndef _LDAP_PVT_UC_H #define _LDAP_PVT_UC_H 1 #include /* get ber_slen_t */ #include #include "../libraries/liblunicode/ucdata/ucdata.h" LDAP_BEGIN_DECL /* * UTF-8 (in utf-8.c) */ /* UCDATA uses UCS-2 passed in a 4 byte unsigned int */ typedef ac_uint4 ldap_unicode_t; /* Convert a string with csize octets per character to UTF-8 */ LDAP_F( int ) ldap_ucs_to_utf8s LDAP_P(( struct berval *ucs, int csize, struct berval *utf8s )); /* returns the number of bytes in the UTF-8 string */ LDAP_F (ber_len_t) ldap_utf8_bytes( const char * ); /* returns the number of UTF-8 characters in the string */ LDAP_F (ber_len_t) ldap_utf8_chars( const char * ); /* returns the length (in bytes) of the UTF-8 character */ LDAP_F (int) ldap_utf8_offset( const char * ); /* returns the length (in bytes) indicated by the UTF-8 character */ LDAP_F (int) ldap_utf8_charlen( const char * ); /* returns the length (in bytes) indicated by the UTF-8 character * also checks that shortest possible encoding was used */ LDAP_F (int) ldap_utf8_charlen2( const char * ); /* copies a UTF-8 character and returning number of bytes copied */ LDAP_F (int) ldap_utf8_copy( char *, const char *); /* returns pointer of next UTF-8 character in string */ LDAP_F (char*) ldap_utf8_next( const char * ); /* returns pointer of previous UTF-8 character in string */ LDAP_F (char*) ldap_utf8_prev( const char * ); /* primitive ctype routines -- not aware of non-ascii characters */ LDAP_F (int) ldap_utf8_isascii( const char * ); LDAP_F (int) ldap_utf8_isalpha( const char * ); LDAP_F (int) ldap_utf8_isalnum( const char * ); LDAP_F (int) ldap_utf8_isdigit( const char * ); LDAP_F (int) ldap_utf8_isxdigit( const char * ); LDAP_F (int) ldap_utf8_isspace( const char * ); /* span characters not in set, return bytes spanned */ LDAP_F (ber_len_t) ldap_utf8_strcspn( const char* str, const char *set); /* span characters in set, return bytes spanned */ LDAP_F (ber_len_t) ldap_utf8_strspn( const char* str, const char *set); /* return first occurance of character in string */ LDAP_F (char *) ldap_utf8_strchr( const char* str, const char *chr); /* return first character of set in string */ LDAP_F (char *) ldap_utf8_strpbrk( const char* str, const char *set); /* reentrant tokenizer */ LDAP_F (char*) ldap_utf8_strtok( char* sp, const char* sep, char **last); /* Optimizations */ LDAP_V (const char) ldap_utf8_lentab[128]; LDAP_V (const char) ldap_utf8_mintab[32]; #define LDAP_UTF8_ISASCII(p) ( !(*(const unsigned char *)(p) & 0x80 ) ) #define LDAP_UTF8_CHARLEN(p) ( LDAP_UTF8_ISASCII(p) \ ? 1 : ldap_utf8_lentab[*(const unsigned char *)(p) ^ 0x80] ) /* This is like CHARLEN but additionally validates to make sure * the char used the shortest possible encoding. * 'l' is used to temporarily hold the result of CHARLEN. */ #define LDAP_UTF8_CHARLEN2(p, l) ( ( ( l = LDAP_UTF8_CHARLEN( p )) < 3 || \ ( ldap_utf8_mintab[*(const unsigned char *)(p) & 0x1f] & (p)[1] ) ) ? \ l : 0 ) #define LDAP_UTF8_OFFSET(p) ( LDAP_UTF8_ISASCII(p) \ ? 1 : ldap_utf8_offset((p)) ) #define LDAP_UTF8_COPY(d,s) ( LDAP_UTF8_ISASCII(s) \ ? (*(d) = *(s), 1) : ldap_utf8_copy((d),(s)) ) #define LDAP_UTF8_NEXT(p) ( LDAP_UTF8_ISASCII(p) \ ? (char *)(p)+1 : ldap_utf8_next((p)) ) #define LDAP_UTF8_INCR(p) ((p) = LDAP_UTF8_NEXT(p)) /* For symmetry */ #define LDAP_UTF8_PREV(p) (ldap_utf8_prev((p))) #define LDAP_UTF8_DECR(p) ((p)=LDAP_UTF8_PREV((p))) /* these probably should be renamed */ LDAP_LUNICODE_F(int) ucstrncmp( const ldap_unicode_t *, const ldap_unicode_t *, ber_len_t ); LDAP_LUNICODE_F(int) ucstrncasecmp( const ldap_unicode_t *, const ldap_unicode_t *, ber_len_t ); LDAP_LUNICODE_F(ldap_unicode_t *) ucstrnchr( const ldap_unicode_t *, ber_len_t, ldap_unicode_t ); LDAP_LUNICODE_F(ldap_unicode_t *) ucstrncasechr( const ldap_unicode_t *, ber_len_t, ldap_unicode_t ); LDAP_LUNICODE_F(void) ucstr2upper( ldap_unicode_t *, ber_len_t ); #define LDAP_UTF8_NOCASEFOLD 0x0U #define LDAP_UTF8_CASEFOLD 0x1U #define LDAP_UTF8_ARG1NFC 0x2U #define LDAP_UTF8_ARG2NFC 0x4U #define LDAP_UTF8_APPROX 0x8U LDAP_LUNICODE_F(struct berval *) UTF8bvnormalize( struct berval *, struct berval *, unsigned, void *memctx ); LDAP_LUNICODE_F(int) UTF8bvnormcmp( struct berval *, struct berval *, unsigned, void *memctx ); LDAP_END_DECL #endif