X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fgraph.c;h=f2699e136982653b7dbc4530e10d0d9ce35bf959;hb=99bd3da9d9029e2288df1cf5ded1d5755266143d;hp=49bd765f0ad7a25a0cfcc6c4b6901a2b037842f1;hpb=d03bbb38c5177de7ad4da2934980ebd9d119f287;p=collection4.git

diff --git a/src/graph.c b/src/graph.c
index 49bd765..f2699e1 100644
--- a/src/graph.c
+++ b/src/graph.c
@@ -484,6 +484,26 @@ int graph_compare (graph_config_t *cfg, const graph_ident_t *ident) /* {{{ */
   return (ident_compare (cfg->select, ident));
 } /* }}} int graph_compare */
 
+static int graph_sort_instances_cb (const void *v0, const void *v1) /* {{{ */
+{
+  return (inst_compare (*(graph_instance_t * const *) v0,
+        *(graph_instance_t * const *) v1));
+} /* }}} int graph_sort_instances_cb */
+
+int graph_sort_instances (graph_config_t *cfg) /* {{{ */
+{
+  if (cfg == NULL)
+    return (EINVAL);
+
+  if (cfg->instances_num < 2)
+    return (0);
+
+  qsort (cfg->instances, cfg->instances_num, sizeof (*cfg->instances),
+      graph_sort_instances_cb);
+
+  return (0);
+} /* }}} int graph_sort_instances */
+
 int graph_clear_instances (graph_config_t *cfg) /* {{{ */
 {
   size_t i;