Add:Core:Added support for atoms

git-svn-id: http://svn.code.sf.net/p/navit/code/trunk/navit@1878 ffa7fe5e-494d-0410-b361-a75ebd5db220

1 files changed, 27 insertions, 0 deletions

diff --git a/navit/atom.c b/navit/atom.c
new file mode 100644
index 000000000..d22579759
--- /dev/null
+++ b/navit/atom.c
@@ -0,0 +1,27 @@
+#include <glib.h>
+#include "atom.h"
+
+static GHashTable *atom_hash;
+
+char *
+atom_lookup(char *name)
+{
+	return g_hash_table_lookup(atom_hash,name);
+}
+
+char *
+atom(char *name)
+{
+	char *id=atom_lookup(name);
+	if (id)
+		return id;
+	id=g_strdup(name);
+	g_hash_table_insert(atom_hash, id, id);
+	return id;
+}
+
+void
+atom_init(void)
+{
+	atom_hash=g_hash_table_new(g_str_hash, g_str_equal);
+}