Adding upstream version 2.4.57+dfsg.upstream/2.4.57+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 163 insertions, 0 deletions

diff --git a/include/ldap_pvt_uc.h b/include/ldap_pvt_uc.h
new file mode 100644
index 0000000..1449995
--- /dev/null
+++ b/include/ldap_pvt_uc.h
@@ -0,0 +1,163 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 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
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+/*
+ * 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 <lber.h>				/* get ber_slen_t */
+
+#include <ac/bytes.h>
+#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
+