src/text.c


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/* grecs - Gray's Extensible Configuration System
   Copyright (C) 2007, 2008, 2009, 2010 Sergey Poznyakoff

   Grecs is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by the
   Free Software Foundation; either version 3 of the License, or (at your
   option) any later version.

   Grecs is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License along
   with Grecs. If not, see <http://www.gnu.org/licenses/>. */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <grecs.h>
#include <string.h>

static struct grecs_symtab *text_table;

/* Lookup a text. If it does not exist, create it. */
char *
grecs_install_text (const char *str)
{
  struct grecs_syment key;
  struct grecs_syment *ent;
  int install = 1;

  if (!text_table)
    {
      text_table = grecs_symtab_create_default(sizeof(struct grecs_syment));
      if (!text_table)
	grecs_alloc_die ();
    }
  
  key.name = (char*) str;
  ent = grecs_symtab_lookup_or_install (text_table, &key, &install);
  if (!ent)
    grecs_alloc_die ();
  return ent->name;
}

void
grecs_destroy_text ()
{
  grecs_symtab_free (text_table);
}