Line data    Source code

       1             : /*
       2             :  * Copyright (c) 1997 - 2006 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 "gen_locl.h"
      35             : 
      36             : RCSID("$Id$");
      37             : 
      38             : static FILE *
      39        2280 : get_code_file(void)
      40             : {
      41        2160 :     if (!one_code_file && template_flag && templatefile)
      42           0 :         return templatefile;
      43        2280 :     return codefile;
      44             : }
      45             : 
      46             : void
      47        7771 : generate_type_seq (const Symbol *s)
      48             : {
      49         409 :     char *subname;
      50         409 :     Type *type;
      51             : 
      52        7771 :     if (!seq_type(s->name))
      53        7002 :         return;
      54         380 :     type = s->type;
      55         760 :     while(type->type == TTag)
      56         380 :         type = type->subtype;
      57             : 
      58         380 :     if (type->type != TSequenceOf && type->type != TSetOf) {
      59           0 :         fprintf(stderr, "%s not seq of %d\n", s->name, (int)type->type);
      60           0 :         return;
      61             :     }
      62             : 
      63             :     /*
      64             :      * Require the subtype to be a type so we can name it and use
      65             :      * copy_/free_
      66             :      */
      67             : 
      68         380 :     if (type->subtype->type != TType) {
      69           0 :         fprintf(stderr, "%s subtype is not a type, can't generate "
      70             :                "sequence code for this case: %d\n",
      71           0 :                 s->name, (int)type->subtype->type);
      72           0 :         exit(1);
      73             :     }
      74             : 
      75         380 :     subname = type->subtype->symbol->gen_name;
      76             : 
      77         400 :     fprintf (headerfile,
      78             :              "ASN1EXP int   ASN1CALL add_%s  (%s *, const %s *);\n"
      79             :              "ASN1EXP int   ASN1CALL remove_%s  (%s *, unsigned int);\n",
      80         360 :              s->gen_name, s->gen_name, subname,
      81         380 :              s->gen_name, s->gen_name);
      82             : 
      83         380 :     fprintf (get_code_file(), "int ASN1CALL\n"
      84             :              "add_%s(%s *data, const %s *element)\n"
      85             :              "{\n",
      86         380 :              s->gen_name, s->gen_name, subname);
      87             : 
      88         400 :     fprintf (get_code_file(),
      89             :              "int ret;\n"
      90             :              "void *ptr;\n"
      91             :              "\n"
      92             :              "ptr = realloc(data->val, \n"
      93             :              "\t(data->len + 1) * sizeof(data->val[0]));\n"
      94             :              "if (ptr == NULL) return ENOMEM;\n"
      95             :              "data->val = ptr;\n\n"
      96             :              "ret = copy_%s(element, &data->val[data->len]);\n"
      97             :              "if (ret) return ret;\n"
      98             :              "data->len++;\n"
      99             :              "return 0;\n",
     100             :              subname);
     101             : 
     102         400 :     fprintf (get_code_file(), "}\n\n");
     103             : 
     104         380 :     fprintf (get_code_file(), "int ASN1CALL\n"
     105             :              "remove_%s(%s *data, unsigned int element)\n"
     106             :              "{\n",
     107         380 :              s->gen_name, s->gen_name);
     108             : 
     109         400 :     fprintf (get_code_file(),
     110             :              "void *ptr;\n"
     111             :              "\n"
     112             :              "if (data->len == 0 || element >= data->len)\n"
     113             :              "\treturn ASN1_OVERRUN;\n"
     114             :              "free_%s(&data->val[element]);\n"
     115             :              "data->len--;\n"
     116             :              /* don't move if its the last element */
     117             :              "if (element < data->len)\n"
     118             :              "\tmemmove(&data->val[element], &data->val[element + 1], \n"
     119             :              "\t\tsizeof(data->val[0]) * (data->len - element));\n"
     120             :              /* resize but don't care about failures since it doesn't matter */
     121             :              "ptr = realloc(data->val, data->len * sizeof(data->val[0]));\n"
     122             :              "if (ptr != NULL || data->len == 0) data->val = ptr;\n"
     123             :              "return 0;\n",
     124             :              subname);
     125             : 
     126         400 :     fprintf (get_code_file(), "}\n\n");
     127             : }