 6937d41a02
			
		
	
	6937d41a02
	
	
	
		
			
			git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@23815 ec53bebd-3082-4978-b11e-865c3cabbd6b
		
			
				
	
	
		
			120 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			120 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Copyright (c) 1997 - 2006 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.
 | |
|  */
 | |
| 
 | |
| #include "gen_locl.h"
 | |
| 
 | |
| RCSID("$Id$");
 | |
| 
 | |
| void
 | |
| generate_type_seq (const Symbol *s)
 | |
| {
 | |
|     char *subname;
 | |
|     Type *type;
 | |
| 
 | |
|     if (!seq_type(s->name))
 | |
| 	return;
 | |
|     type = s->type;
 | |
|     while(type->type == TTag)
 | |
| 	type = type->subtype;
 | |
| 
 | |
|     if (type->type != TSequenceOf) {
 | |
| 	printf("%s not seq of %d\n", s->name, (int)type->type);
 | |
| 	return;
 | |
|     }
 | |
| 
 | |
|     /*
 | |
|      * Require the subtype to be a type so we can name it and use
 | |
|      * copy_/free_
 | |
|      */
 | |
| 
 | |
|     if (type->subtype->type != TType) {
 | |
| 	fprintf(stderr, "%s subtype is not a type, can't generate "
 | |
| 	       "sequence code for this case: %d\n",
 | |
| 		s->name, (int)type->subtype->type);
 | |
| 	exit(1);
 | |
|     }
 | |
| 
 | |
|     subname = type->subtype->symbol->gen_name;
 | |
| 
 | |
|     fprintf (headerfile,
 | |
| 	     "int   add_%s  (%s *, const %s *);\n"
 | |
| 	     "int   remove_%s  (%s *, unsigned int);\n",
 | |
| 	     s->gen_name, s->gen_name, subname,
 | |
| 	     s->gen_name, s->gen_name);
 | |
| 
 | |
|     fprintf (codefile, "int\n"
 | |
| 	     "add_%s(%s *data, const %s *element)\n"
 | |
| 	     "{\n",
 | |
| 	     s->gen_name, s->gen_name, subname);
 | |
| 
 | |
|     fprintf (codefile,
 | |
| 	     "int ret;\n"
 | |
| 	     "void *ptr;\n"
 | |
| 	     "\n"
 | |
| 	     "ptr = realloc(data->val, \n"
 | |
| 	     "\t(data->len + 1) * sizeof(data->val[0]));\n"
 | |
| 	     "if (ptr == NULL) return ENOMEM;\n"
 | |
| 	     "data->val = ptr;\n\n"
 | |
| 	     "ret = copy_%s(element, &data->val[data->len]);\n"
 | |
| 	     "if (ret) return ret;\n"
 | |
| 	     "data->len++;\n"
 | |
| 	     "return 0;\n",
 | |
| 	     subname);
 | |
| 
 | |
|     fprintf (codefile, "}\n\n");
 | |
| 
 | |
|     fprintf (codefile, "int\n"
 | |
| 	     "remove_%s(%s *data, unsigned int element)\n"
 | |
| 	     "{\n",
 | |
| 	     s->gen_name, s->gen_name);
 | |
| 
 | |
|     fprintf (codefile,
 | |
| 	     "void *ptr;\n"
 | |
| 	     "\n"
 | |
| 	     "if (data->len == 0 || element >= data->len)\n"
 | |
| 	     "\treturn ASN1_OVERRUN;\n"
 | |
| 	     "free_%s(&data->val[element]);\n"
 | |
| 	     "data->len--;\n"
 | |
| 	     /* don't move if its the last element */
 | |
| 	     "if (element < data->len)\n"
 | |
| 	     "\tmemmove(&data->val[element], &data->val[element + 1], \n"
 | |
| 	     "\t\tsizeof(data->val[0]) * data->len);\n"
 | |
| 	     /* resize but don't care about failures since it doesn't matter */
 | |
| 	     "ptr = realloc(data->val, data->len * sizeof(data->val[0]));\n"
 | |
| 	     "if (ptr != NULL || data->len == 0) data->val = ptr;\n"
 | |
| 	     "return 0;\n",
 | |
| 	     subname);
 | |
| 
 | |
|     fprintf (codefile, "}\n\n");
 | |
| }
 |