src/lsymbolList.c

   1 /*
   2 ** Splint - annotation-assisted static program checker
   3 ** Copyright (C) 1994-2003 University of Virginia,
   4 **         Massachusetts Institute of Technology
   5 **
   6 ** This program is free software; you can redistribute it and/or modify it
   7 ** under the terms of the GNU General Public License as published by the
   8 ** Free Software Foundation; either version 2 of the License, or (at your
   9 ** option) any later version.
  10 **
  11 ** This program is distributed in the hope that it will be useful, but
  12 ** WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 ** General Public License for more details.
  15 **
  16 ** The GNU General Public License is available from http://www.gnu.org/ or
  17 ** the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  18 ** MA 02111-1307, USA.
  19 **
  20 ** For information on splint: info@splint.org
  21 ** To report a bug: splint-bug@splint.org
  22 ** For more information: http://www.splint.org
  23 */
  24 /*
  25 ** lsymbolList.c
  26 **
  27 ** based on list_template.c
  28 **
  29 ** where T has T_equal (or change this) and T_unparse
  30 */
  31
  32 # include "splintMacros.nf"
  33 # include "basic.h"
  34
  35 /*@only@*/ lsymbolList
  36 lsymbolList_new (void)
  37 {
  38   lsymbolList s = (lsymbolList) dmalloc (sizeof (*s));
  39
  40   s->nelements = 0;
  41
  42   s->nspace = lsymbolListBASESIZE;
  43   s->elements = (lsymbol *) dmalloc (sizeof (*s->elements) * lsymbolListBASESIZE);
  44
  45   return (s);
  46 }
  47
  48 static void
  49 lsymbolList_grow (lsymbolList s)
  50 {
  51   int i;
  52   lsymbol *newelements;
  53
  54   s->nspace += lsymbolListBASESIZE;
  55
  56    newelements = (lsymbol *) dmalloc (sizeof (*newelements) * (s->nelements + s->nspace));
  57
  58   if (newelements == (lsymbol *) 0)
  59     {
  60       llfatalerror (cstring_makeLiteral ("lsymbolList_grow: out of memory!"));
  61     }
  62
  63   for (i = 0; i < s->nelements; i++)
  64     {
  65       newelements[i] = s->elements[i];
  66     }
  67
  68   sfree (s->elements);
  69   s->elements = newelements;
  70 }
  71
  72 void
  73 lsymbolList_addh (lsymbolList s, lsymbol el)
  74 {
  75   if (s->nspace <= 0)
  76     lsymbolList_grow (s);
  77
  78   s->nspace--;
  79   s->elements[s->nelements] = el;
  80   s->nelements++;
  81 }
  82
  83 void
  84 lsymbolList_free (lsymbolList s)
  85 {
  86   int i;
  87   for (i = 0; i < s->nelements; i++)
  88     {
  89      /*      lsymbol_free (s->elements[i]); */
  90     }
  91
  92   sfree (s->elements);
  93   sfree (s);
  94 }
  95