From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 26 Mar 2022 19:46:23 +0000 (-0700)
Subject: cmd/smyrna/viewport.c: fix -Wnon-literal-null-conversion with Clang
X-Git-Tag: 4.0.0~156^2~1
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=665d28ddc656cfbca18b7a7da15739ab3e015085;p=graphviz

cmd/smyrna/viewport.c: 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/viewport.c b/cmd/smyrna/viewport.c
index ad509a4cd..e006b0b1f 100644
--- a/cmd/smyrna/viewport.c
+++ b/cmd/smyrna/viewport.c
@@ -389,7 +389,7 @@ void init_viewport(ViewInfo * view)
     view->total_frames = 1500;
     /*add a call back to the main() */
     g_timeout_add_full(G_PRIORITY_DEFAULT, 100u, gl_main_expose, NULL, NULL);
-    view->cameras = '\0';;
+    view->cameras = NULL;
     view->camera_count = 0;
     view->active_camera = -1;
     set_viewport_settings_from_template(view, view->systemGraphs.def_attrs);