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diff --git a/contrib/idn/idnkit-1.0-src/include/idn/filechecker.h b/contrib/idn/idnkit-1.0-src/include/idn/filechecker.h
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+/* $Id: filechecker.h,v 1.1.1.1 2003/06/04 00:25:37 marka Exp $ */
+/*
+ * Copyright (c) 2001 Japan Network Information Center.  All rights reserved.
+ *  
+ * By using this file, you agree to the terms and conditions set forth bellow.
+ * 
+ * 			LICENSE TERMS AND CONDITIONS 
+ * 
+ * The following License Terms and Conditions apply, unless a different
+ * license is obtained from Japan Network Information Center ("JPNIC"),
+ * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
+ * Chiyoda-ku, Tokyo 101-0047, Japan.
+ * 
+ * 1. Use, Modification and Redistribution (including distribution of any
+ *    modified or derived work) in source and/or binary forms is permitted
+ *    under this License Terms and Conditions.
+ * 
+ * 2. Redistribution of source code must retain the copyright notices as they
+ *    appear in each source code file, this License Terms and Conditions.
+ * 
+ * 3. Redistribution in binary form must reproduce the Copyright Notice,
+ *    this License Terms and Conditions, in the documentation and/or other
+ *    materials provided with the distribution.  For the purposes of binary
+ *    distribution the "Copyright Notice" refers to the following language:
+ *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
+ * 
+ * 4. The name of JPNIC may not be used to endorse or promote products
+ *    derived from this Software without specific prior written approval of
+ *    JPNIC.
+ * 
+ * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
+ *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
+ *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef IDN_FILECHECKER_H
+#define IDN_FILECHECKER_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Character checker -- check if there are any characters specified
+ * by a file in the given string.
+ */
+
+#include <idn/result.h>
+
+/*
+ * Check object type.
+ */
+typedef struct idn__filechecker *idn__filechecker_t;
+
+/*
+ * Read the contents of the given file and create a context for
+ * checking.
+ *
+ * 'file' is the pathname of the file, which specifies the set of
+ * characters to be checked.  The file is a simple text file, and
+ * each line must be of the form either
+ *   <code_point>
+ * or
+ *   <code_point>-<code_point>
+ * (or comment, see below) where <code_point> is a UCS code point
+ * represented as hexadecimal string with optional prefix `U+'
+ * (ex. `0041' or `U+FEDC').
+ *
+ * The former specifies just one character (a code point, to be precise),
+ * while the latter specified a range of characters.  In the case of
+ * a character range, the first code point (before hyphen) must not be
+ * greater than the second code point (after hyphen).
+ *
+ * Lines starting with `#' are comments.
+ *
+ * If file is read with no errors, the created context is stored in
+ * '*ctxp', and 'idn_success' is returned.  Otherwise, the contents
+ * of '*ctxp' is undefined.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ *	idn_nofile		-- cannot open the specified file.
+ *	idn_nomemory		-- malloc failed.
+ *	idn_invalid_syntax	-- file format is not valid.
+ */
+extern idn_result_t
+idn__filechecker_create(const char *file, idn__filechecker_t *ctxp);
+
+/*
+ * Release memory for the specified context.
+ */
+extern void
+idn__filechecker_destroy(idn__filechecker_t ctx);
+
+/*
+ * See if the given string contains any specified characters.
+ *
+ * Check if there is any characters pecified by the context 'ctx' in
+ * the UCS4 string 'str'.  If there are none, NULL is stored in '*found'.
+ * Otherwise, the pointer to the first occurence of such character is
+ * stored in '*found'.
+ *
+ * Returns:
+ *	idn_success		-- ok.
+ */
+extern idn_result_t
+idn__filechecker_lookup(idn__filechecker_t ctx, const unsigned long *str,
+			const unsigned long **found);
+
+/*
+ * The following functions are for internal use.
+ * They are used for this module to be add to the checker module.
+ */
+extern idn_result_t
+idn__filechecker_createproc(const char *parameter, void **ctxp);
+
+extern void
+idn__filechecker_destroyproc(void *ctxp);
+
+extern idn_result_t
+idn__filechecker_lookupproc(void *ctx, const unsigned long *str,
+			    const unsigned long **found);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* IDN_FILECHECKER_H */