From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 26 Mar 2022 18:07:00 +0000 (-0700)
Subject: cmd/smyrna: fix -Wnon-literal-null-conversion with Clang
X-Git-Tag: 4.0.0~156^2~3
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=81144cfd2177627a81a436c06316fa681283aec7;p=graphviz

cmd/smyrna: fix -Wnon-literal-null-conversion with Clang

This was causing the CMake build (to be enabled in a future commit) on macOS to
fail.

Gitlab: #1836, #1854
---

diff --git a/cmd/smyrna/topviewfuncs.c b/cmd/smyrna/topviewfuncs.c
index b4329972e..98bd812d7 100644
--- a/cmd/smyrna/topviewfuncs.c
+++ b/cmd/smyrna/topviewfuncs.c
@@ -873,7 +873,7 @@ void initSmGraph(Agraph_t * g,topview* rv)
     rv->filtered_attr_list=NULL;
 
     /*set topologilca fisheye to NULL */
-    rv->fisheyeParams.h = '\0';
+    rv->fisheyeParams.h = NULL;
 
     rv->fisheyeParams.active = 0;
     rv->cache.node_id=-1;