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-rw-r--r--src/generate-id.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/src/generate-id.c b/src/generate-id.c
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+++ b/src/generate-id.c
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+/*
+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;
+}