From 276602723076553538821464b03b5ac515e5e3b5 Mon Sep 17 00:00:00 2001
From: Florian Forster <octo@leeloo.home.verplant.org>
Date: Fri, 25 Apr 2008 11:04:38 +0200
Subject: [PATCH] sn_network.[ch]: Add the sn_network_clone method.

---
 src/sn_network.c | 32 ++++++++++++++++++++++++++++++++
 src/sn_network.h |  1 +
 2 files changed, 33 insertions(+)

diff --git a/src/sn_network.c b/src/sn_network.c
index 3a37bb2..da87f37 100644
--- a/src/sn_network.c
+++ b/src/sn_network.c
@@ -94,6 +94,38 @@ int sn_network_stage_remove (sn_network_t *n, int s_num)
   return (0);
 } /* int sn_network_stage_remove */
 
+sn_network_t *sn_network_clone (const sn_network_t *n)
+{
+  sn_network_t *n_copy;
+  int i;
+
+  n_copy = sn_network_create (n->inputs_num);
+  if (n_copy == NULL)
+    return (NULL);
+
+  for (i = 0; i < n->stages_num; i++)
+  {
+    sn_stage_t *s;
+    int status;
+
+    s = sn_stage_clone (n->stages[i]);
+    if (s == NULL)
+      break;
+
+    status = sn_network_stage_add (n_copy, s);
+    if (status != 0)
+      break;
+  }
+
+  if (i < n->stages_num)
+  {
+    sn_network_destroy (n_copy);
+    return (NULL);
+  }
+
+  return (n_copy);
+} /* sn_network_t *sn_network_clone */
+
 int sn_network_show (sn_network_t *n)
 {
   int i;
diff --git a/src/sn_network.h b/src/sn_network.h
index 2033786..8737f6e 100644
--- a/src/sn_network.h
+++ b/src/sn_network.h
@@ -19,6 +19,7 @@ typedef struct sn_network_s sn_network_t;
 #define SN_NETWORK_INPUT_NUM(n) (n)->inputs_num
 
 sn_network_t *sn_network_create (int inputs_num);
+sn_network_t *sn_network_clone (const sn_network_t *n);
 void sn_network_destroy (sn_network_t *n);
 
 int sn_network_stage_add (sn_network_t *n, sn_stage_t *s);
-- 
2.11.0