From 5e1f1055e1350d17f760db2c14f9a97986548ae0 Mon Sep 17 00:00:00 2001
From: Cary R <cygcary@yahoo.com>
Date: Thu, 19 Feb 2026 22:41:03 -0800
Subject: [PATCH] Add more const declarations

---
 net_link.cc     | 4 ++--
 vvp/compile.cc  | 6 +++---
 vvp/vpi_priv.cc | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/net_link.cc b/net_link.cc
index ae638621f..039428ae9 100644
--- a/net_link.cc
+++ b/net_link.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2025 Stephen Williams (steve@icarus.com)
+ * Copyright (c) 2000-2026 Stephen Williams (steve@icarus.com)
  *
  *    This source code is free software; you can redistribute it
  *    and/or modify it in source code form under the terms of the GNU
@@ -131,7 +131,7 @@ Nexus* Link::find_nexus_() const
 {
       assert(next_);
       if (nexus_) return nexus_;
-      for (Link*cur = next_ ; cur != this ; cur = cur->next_) {
+      for (const Link*cur = next_ ; cur != this ; cur = cur->next_) {
 	    if (cur->nexus_) return cur->nexus_;
       }
       return 0;
diff --git a/vvp/compile.cc b/vvp/compile.cc
index 00821421b..5c0460086 100644
--- a/vvp/compile.cc
+++ b/vvp/compile.cc
@@ -408,12 +408,12 @@ vvp_net_t* vvp_net_lookup(const char*label)
 		case vpiIntVar:
 		case vpiLongIntVar:
 		case vpiIntegerVar: {
-		      __vpiSignal*sig = dynamic_cast<__vpiSignal*>(vpi);
+		      const __vpiSignal*sig = dynamic_cast<__vpiSignal*>(vpi);
 		      return sig->node;
 		}
 
 		case vpiRealVar: {
-		      __vpiRealVar*sig = dynamic_cast<__vpiRealVar*>(vpi);
+		      const __vpiRealVar*sig = dynamic_cast<__vpiRealVar*>(vpi);
 		      return sig->net;
 		}
 
@@ -425,7 +425,7 @@ vvp_net_t* vvp_net_lookup(const char*label)
 		}
 
 		case vpiNamedEvent: {
-		      __vpiNamedEvent*tmp = dynamic_cast<__vpiNamedEvent*>(vpi);
+		      const __vpiNamedEvent*tmp = dynamic_cast<__vpiNamedEvent*>(vpi);
 		      return tmp->funct;
 		}
 
diff --git a/vvp/vpi_priv.cc b/vvp/vpi_priv.cc
index 3c5f0d5e4..823c13951 100644
--- a/vvp/vpi_priv.cc
+++ b/vvp/vpi_priv.cc
@@ -521,7 +521,7 @@ char* vpi_get_str(PLI_INT32 property, vpiHandle ref)
 
 __vpiScope*vpip_timescale_scope_from_handle(vpiHandle obj)
 {
-      struct __vpiSysTaskCall*task;
+      const struct __vpiSysTaskCall*task;
       struct __vpiSignal*signal;
       struct __vpiRealVar*real;
       const __vpiNamedEvent*event;