X-Git-Url: https://git.octo.it/?p=sort-networks.git;a=blobdiff_plain;f=src%2Fsn_stage.c;h=158446985371654b3e705644bd6d8e75f470ce6c;hp=1a7b2f912695caac92f838490f210f062189c97a;hb=785cb745f68b61aa83820a4f85a8c91a0e015228;hpb=e6b060578b9e783b8c6e5ca164b988a37c753f81

diff --git a/src/sn_stage.c b/src/sn_stage.c
index 1a7b2f9..1584469 100644
--- a/src/sn_stage.c
+++ b/src/sn_stage.c
@@ -626,6 +626,33 @@ sn_stage_t *sn_stage_unserialize (char **ret_buffer, size_t *ret_buffer_size)
   return (s);
 } /* sn_stage_t *sn_stage_unserialize */
 
+int sn_stage_compare (const sn_stage_t *s0, const sn_stage_t *s1) /* {{{ */
+{
+  int status;
+  int i;
+
+  if (s0 == s1)
+    return (0);
+  else if (s0 == NULL)
+    return (-1);
+  else if (s1 == NULL)
+    return (1);
+
+  if (s0->comparators_num < s1->comparators_num)
+    return (-1);
+  else if (s0->comparators_num > s1->comparators_num)
+    return (1);
+
+  for (i = 0; i < s0->comparators_num; i++)
+  {
+    status = sn_comparator_compare (s0->comparators + i, s1->comparators + i);
+    if (status != 0)
+      return (status);
+  }
+
+  return (0);
+} /* }}} int sn_stage_compare */
+
 uint64_t sn_stage_get_hashval (const sn_stage_t *s) /* {{{ */
 {
   uint64_t hash;