git.maemo.org Git - navit-package/blob - navit/atom.c

   1 #include <glib.h>
   2 #include "atom.h"
   3
   4 static GHashTable *atom_hash;
   5
   6 char *
   7 atom_lookup(char *name)
   8 {
   9         if (!atom_hash)
  10                 return NULL;
  11         return g_hash_table_lookup(atom_hash,name);
  12 }
  13
  14 char *
  15 atom(char *name)
  16 {
  17         char *id=atom_lookup(name);
  18         if (id)
  19                 return id;
  20         if (!atom_hash)
  21                 return NULL;
  22         id=g_strdup(name);
  23         g_hash_table_insert(atom_hash, id, id);
  24         return id;
  25 }
  26
  27 void
  28 atom_init(void)
  29 {
  30         atom_hash=g_hash_table_new(g_str_hash, g_str_equal);
  31 }