86 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Copyright (c) 2004 Kungliga Tekniska Högskolan
 | |
|  * (Royal Institute of Technology, Stockholm, Sweden).
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions
 | |
|  * are met:
 | |
|  *
 | |
|  * 1. Redistributions of source code must retain the above copyright
 | |
|  *    notice, this list of conditions and the following disclaimer.
 | |
|  *
 | |
|  * 2. Redistributions in binary form must reproduce the above copyright
 | |
|  *    notice, this list of conditions and the following disclaimer in the
 | |
|  *    documentation and/or other materials provided with the distribution.
 | |
|  *
 | |
|  * 3. Neither the name of the Institute nor the names of its contributors
 | |
|  *    may be used to endorse or promote products derived from this software
 | |
|  *    without specific prior written permission.
 | |
|  *
 | |
|  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 THE INSTITUTE OR CONTRIBUTORS 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 DAMAGE.
 | |
|  */
 | |
| 
 | |
| #ifdef HAVE_CONFIG_H
 | |
| #include <config.h>
 | |
| #endif
 | |
| #include "windlocl.h"
 | |
| 
 | |
| #include <stdlib.h>
 | |
| 
 | |
| #include "map_table.h"
 | |
| 
 | |
| static int
 | |
| translation_cmp(const void *key, const void *data)
 | |
| {
 | |
|     const struct translation *t1 = (const struct translation *)key;
 | |
|     const struct translation *t2 = (const struct translation *)data;
 | |
| 
 | |
|     return t1->key - t2->key;
 | |
| }
 | |
| 
 | |
| int
 | |
| _wind_stringprep_map(const uint32_t *in, size_t in_len,
 | |
| 		     uint32_t *out, size_t *out_len,
 | |
| 		     wind_profile_flags flags)
 | |
| {
 | |
|     unsigned i;
 | |
|     unsigned o = 0;
 | |
| 
 | |
|     for (i = 0; i < in_len; ++i) {
 | |
| 	struct translation ts = {in[i]};
 | |
| 	const struct translation *s;
 | |
| 
 | |
| 	s = (const struct translation *)
 | |
| 	    bsearch(&ts, _wind_map_table, _wind_map_table_size,
 | |
| 		    sizeof(_wind_map_table[0]),
 | |
| 		    translation_cmp);
 | |
| 	if (s != NULL && (s->flags & flags)) {
 | |
| 	    unsigned j;
 | |
| 
 | |
| 	    for (j = 0; j < s->val_len; ++j) {
 | |
| 		if (o >= *out_len)
 | |
| 		    return WIND_ERR_OVERRUN;
 | |
| 		out[o++] = _wind_map_table_val[s->val_offset + j];
 | |
| 	    }
 | |
| 	} else {
 | |
| 	    if (o >= *out_len)
 | |
| 		return WIND_ERR_OVERRUN;
 | |
| 	    out[o++] = in[i];
 | |
| 
 | |
| 	}
 | |
|     }
 | |
|     *out_len = o;
 | |
|     return 0;
 | |
| }
 | 
