From d50c6733213d8952daddfd823531527df5e1bbe4 Mon Sep 17 00:00:00 2001
From: Dennis <65568528+zannads@users.noreply.github.com>
Date: Thu, 23 May 2024 10:33:30 +0300
Subject: [PATCH] Fix Issue #790 - incorrect number of pipes

The pipe counter was not decreased if the element was a pipe.
---
 src/epanet.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/epanet.c b/src/epanet.c
index 86b510ba..4c8399f7 100644
--- a/src/epanet.c
+++ b/src/epanet.c
@@ -3408,6 +3408,12 @@ int DLLEXPORT EN_deletelink(EN_Project p, int index, int actionCode)
         if (net->Valve[i].Link > index) net->Valve[i].Link -= 1;
     }
 
+    // Reduce the number of pipes count by one if it is a pipe.
+    if (linkType == PIPE)
+    {
+        net->Npipes--;
+    }
+
     // Delete any pump associated with the deleted link
     if (linkType == PUMP)
     {