From 8249ad9b304ea88b29e3aea76ebe49bb50348aaa Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Mon, 29 Oct 2012 20:39:03 +0100
Subject: Fixes sorting in OSPF show state.

---
 proto/ospf/ospf.c | 52 ++++++++++++++++++++++++++++++++++------------------
 1 file changed, 34 insertions(+), 18 deletions(-)

(limited to 'proto/ospf/ospf.c')

diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index aa62da14..5792453d 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -953,8 +953,10 @@ lsa_compare_for_state(const void *p1, const void *p2)
   struct ospf_lsa_header *lsa1 = &(he1->lsa);
   struct ospf_lsa_header *lsa2 = &(he2->lsa);
 
-  if (he1->domain != he2->domain)
-    return he1->domain - he2->domain;
+  if (he1->domain < he2->domain)
+    return -1;
+  if (he1->domain > he2->domain)
+    return 1;
 
 #ifdef OSPFv3
   struct ospf_lsa_header lsatmp1, lsatmp2;
@@ -979,14 +981,18 @@ lsa_compare_for_state(const void *p1, const void *p2)
   {
 #ifdef OSPFv3
     /* In OSPFv3, neworks are named base on ID of DR */
-    if (lsa1->rt != lsa2->rt)
-      return lsa1->rt - lsa2->rt;
+    if (lsa1->rt < lsa2->rt)
+      return -1;
+    if (lsa1->rt > lsa2->rt)
+      return 1;
 #endif
 
     /* For OSPFv2, this is IP of the network,
        for OSPFv3, this is interface ID */
-    if (lsa1->id != lsa2->id)
-      return lsa1->id - lsa2->id;
+    if (lsa1->id < lsa2->id)
+      return -1;
+    if (lsa1->id > lsa2->id)
+      return 1;
 
 #ifdef OSPFv3
     if (px1 != px2)
@@ -997,14 +1003,20 @@ lsa_compare_for_state(const void *p1, const void *p2)
   }
   else 
   {
-    if (lsa1->rt != lsa2->rt)
-      return lsa1->rt - lsa2->rt;
+    if (lsa1->rt < lsa2->rt)
+      return -1;
+    if (lsa1->rt > lsa2->rt)
+      return 1;
 
-    if (lsa1->type != lsa2->type)
-      return lsa1->type - lsa2->type;
-  
-    if (lsa1->id != lsa2->id)
-      return lsa1->id - lsa2->id;
+    if (lsa1->type < lsa2->type)
+      return -1;
+    if (lsa1->type > lsa2->type)
+      return 1;
+
+    if (lsa1->id < lsa2->id)
+      return -1;
+    if (lsa1->id > lsa2->id)
+      return 1;
 
 #ifdef OSPFv3
     if (px1 != px2)
@@ -1023,12 +1035,16 @@ ext_compare_for_state(const void *p1, const void *p2)
   struct ospf_lsa_header *lsa1 = &(he1->lsa);
   struct ospf_lsa_header *lsa2 = &(he2->lsa);
 
-  if (lsa1->rt != lsa2->rt)
-    return lsa1->rt - lsa2->rt;
+  if (lsa1->rt < lsa2->rt)
+    return -1;
+  if (lsa1->rt > lsa2->rt)
+    return 1;
+
+  if (lsa1->id < lsa2->id)
+    return -1;
+  if (lsa1->id > lsa2->id)
+    return 1;
 
-  if (lsa1->id != lsa2->id)
-    return lsa1->id - lsa2->id;
- 
   return lsa1->sn - lsa2->sn;
 }
 
-- 
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