root/source4/heimdal/lib/wind/combining.c

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DEFINITIONS

This source file includes following definitions.
  1. translation_cmp
  2. _wind_combining_class

   1 /*
   2  * Copyright (c) 2008 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33 
  34 #include "windlocl.h"
  35 
  36 #include <stdlib.h>
  37 
  38 #include "combining_table.h"
  39 
  40 static int
  41 translation_cmp(const void *key, const void *data)
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  42 {
  43     const struct translation *t1 = (const struct translation *)key;
  44     const struct translation *t2 = (const struct translation *)data;
  45 
  46     return t1->key - t2->key;
  47 }
  48 
  49 int
  50 _wind_combining_class(uint32_t code_point)
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  51 {
  52     struct translation ts = {code_point};
  53     void *s = bsearch(&ts, _wind_combining_table, _wind_combining_table_size,
  54                       sizeof(_wind_combining_table[0]),
  55                       translation_cmp);
  56     if (s != NULL) {
  57         const struct translation *t = (const struct translation *)s;
  58         return t->combining_class;
  59     } else {
  60         return 0;
  61     }
  62 }

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