LCOV - code coverage report
Current view: top level - source4/heimdal/lib/asn1 - gen_seq.c (source / functions) Hit Total Coverage
Test: coverage report for abartlet/fix-coverage dd10fb34 Lines: 16 21 76.2 %
Date: 2021-09-23 10:06:22 Functions: 1 1 100.0 %

          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             : void
      39        5586 : generate_type_seq (const Symbol *s)
      40             : {
      41             :     char *subname;
      42             :     Type *type;
      43             : 
      44        5586 :     if (!seq_type(s->name))
      45        5076 :         return;
      46         228 :     type = s->type;
      47         684 :     while(type->type == TTag)
      48         228 :         type = type->subtype;
      49             : 
      50         228 :     if (type->type != TSequenceOf && type->type != TSetOf) {
      51           0 :         fprintf(stderr, "%s not seq of %d\n", s->name, (int)type->type);
      52           0 :         return;
      53             :     }
      54             : 
      55             :     /*
      56             :      * Require the subtype to be a type so we can name it and use
      57             :      * copy_/free_
      58             :      */
      59             : 
      60         228 :     if (type->subtype->type != TType) {
      61           0 :         fprintf(stderr, "%s subtype is not a type, can't generate "
      62             :                "sequence code for this case: %d\n",
      63           0 :                 s->name, (int)type->subtype->type);
      64           0 :         exit(1);
      65             :     }
      66             : 
      67         228 :     subname = type->subtype->symbol->gen_name;
      68             : 
      69         240 :     fprintf (headerfile,
      70             :              "ASN1EXP int   ASN1CALL add_%s  (%s *, const %s *);\n"
      71             :              "ASN1EXP int   ASN1CALL remove_%s  (%s *, unsigned int);\n",
      72             :              s->gen_name, s->gen_name, subname,
      73             :              s->gen_name, s->gen_name);
      74             : 
      75         240 :     fprintf (codefile, "int ASN1CALL\n"
      76             :              "add_%s(%s *data, const %s *element)\n"
      77             :              "{\n",
      78             :              s->gen_name, s->gen_name, subname);
      79             : 
      80         240 :     fprintf (codefile,
      81             :              "int ret;\n"
      82             :              "void *ptr;\n"
      83             :              "\n"
      84             :              "ptr = realloc(data->val, \n"
      85             :              "\t(data->len + 1) * sizeof(data->val[0]));\n"
      86             :              "if (ptr == NULL) return ENOMEM;\n"
      87             :              "data->val = ptr;\n\n"
      88             :              "ret = copy_%s(element, &data->val[data->len]);\n"
      89             :              "if (ret) return ret;\n"
      90             :              "data->len++;\n"
      91             :              "return 0;\n",
      92             :              subname);
      93             : 
      94         240 :     fprintf (codefile, "}\n\n");
      95             : 
      96         240 :     fprintf (codefile, "int ASN1CALL\n"
      97             :              "remove_%s(%s *data, unsigned int element)\n"
      98             :              "{\n",
      99             :              s->gen_name, s->gen_name);
     100             : 
     101         240 :     fprintf (codefile,
     102             :              "void *ptr;\n"
     103             :              "\n"
     104             :              "if (data->len == 0 || element >= data->len)\n"
     105             :              "\treturn ASN1_OVERRUN;\n"
     106             :              "free_%s(&data->val[element]);\n"
     107             :              "data->len--;\n"
     108             :              /* don't move if its the last element */
     109             :              "if (element < data->len)\n"
     110             :              "\tmemmove(&data->val[element], &data->val[element + 1], \n"
     111             :              "\t\tsizeof(data->val[0]) * data->len);\n"
     112             :              /* resize but don't care about failures since it doesn't matter */
     113             :              "ptr = realloc(data->val, data->len * sizeof(data->val[0]));\n"
     114             :              "if (ptr != NULL || data->len == 0) data->val = ptr;\n"
     115             :              "return 0;\n",
     116             :              subname);
     117             : 
     118         228 :     fprintf (codefile, "}\n\n");
     119             : }

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