Writing a small little function to generate the ID.

2 files changed, 87 insertions, 0 deletions

diff --git a/src/generate-id.c b/src/generate-id.c
new file mode 100644
index 0000000..95a4bee
--- /dev/null
+++ b/src/generate-id.c
@@ -0,0 +1,58 @@
+/*
+Quick litte lack to generate the ordering ID.
+
+Copyright 2010 Canonical Ltd.
+
+Authors:
+    Ted Gould <ted@canonical.com>
+
+This program is free software: you can redistribute it and/or modify it 
+under the terms of the GNU General Public License version 3, as published 
+by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful, but 
+WITHOUT ANY WARRANTY; without even the implied warranties of 
+MERCHANTABILITY, SATISFACTORY QUALITY, 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+struct ordering_id_struct {
+	gchar category;
+	gchar first;
+	gchar second;
+	gchar third;
+};
+
+union ordering_id_union_t {
+	guint32 id;
+	struct ordering_id_struct str;
+};
+
+guint32
+generate_id (const gchar category, const gchar * id)
+{
+	union ordering_id_union_t u;
+
+	u.str.category = category;
+	
+	u.str.first = 0;
+	u.str.second = 0;
+	u.str.third = 0;
+
+	if (id != NULL) {
+		if (id[0] != '\0') {
+			u.str.first = id[0];
+			if (id[1] != '\0') {
+				u.str.second = id[1];
+				if (id[2] != '\0') {
+					u.str.third = id[2];
+				}
+			}
+		}
+	}
+
+	return u.id;
+}
diff --git a/src/generate-id.h b/src/generate-id.h
new file mode 100644
index 0000000..3713158
--- /dev/null
+++ b/src/generate-id.h
@@ -0,0 +1,29 @@
+/*
+Quick litte lack to generate the ordering ID.
+
+Copyright 2010 Canonical Ltd.
+
+Authors:
+    Ted Gould <ted@canonical.com>
+
+This program is free software: you can redistribute it and/or modify it 
+under the terms of the GNU General Public License version 3, as published 
+by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful, but 
+WITHOUT ANY WARRANTY; without even the implied warranties of 
+MERCHANTABILITY, SATISFACTORY QUALITY, 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __GENERATE_ID_H__
+#define __GENERATE_ID_H__
+
+#include <glib.h>
+
+guint32 generate_id (const gchar category, const gchar * id);
+
+#endif /* __GENERATE_ID_H__ */