From be02c10637bf2098a19885e89fcbfe88c3e700f4 Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Tue, 18 Feb 2020 22:39:38 +0100
Subject: [PATCH] add const declaration to newfopen

---
 src/include/ngspice/ngspice.h | 2 +-
 src/misc/util.c               | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/include/ngspice/ngspice.h b/src/include/ngspice/ngspice.h
index aafff44b6..8b3293176 100644
--- a/src/include/ngspice/ngspice.h
+++ b/src/include/ngspice/ngspice.h
@@ -221,7 +221,7 @@ extern double x_atanh(double);
 #ifndef EXT_ASC
 #if defined(__MINGW__) || defined(_MSC_VER)
 #define fopen newfopen
-extern FILE *newfopen(char *fn, char* md);
+extern FILE *newfopen(const char *fn, const char* md);
 #endif
 #endif
 
diff --git a/src/misc/util.c b/src/misc/util.c
index 0cd320cbb..132560903 100644
--- a/src/misc/util.c
+++ b/src/misc/util.c
@@ -264,7 +264,7 @@ ngdirname(const char *name)
 #undef BOOLEAN
 #include <windows.h>
 FILE *
-newfopen(char *fn, char* md)
+newfopen(const char *fn, const char* md)
 {
     if (fn == NULL)
         return NULL;