From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 14 Jan 2023 23:32:18 +0000 (-0800)
Subject: unflatten scanargs: squash -Wswitch-default warning
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e716a452711343be744e187fb39a3e149b2a4f00;p=graphviz

unflatten scanargs: squash -Wswitch-default warning

The default case is unreachable due to the preceding `getopt` call.
---

diff --git a/cmd/tools/unflatten.c b/cmd/tools/unflatten.c
index d6dcf25db..459f705d8 100644
--- a/cmd/tools/unflatten.c
+++ b/cmd/tools/unflatten.c
@@ -25,6 +25,7 @@
 #include    <string.h>
 #include    <cgraph/cgraph.h>
 #include    <cgraph/exit.h>
+#include    <cgraph/unreachable.h>
 #include    <ingraphs/ingraphs.h>
 
 #include <getopt.h>
@@ -188,6 +189,8 @@ static char **scanargs(int argc, char **argv)
 		    cmd, optopt);
 	    usage(-1);
 	    break;
+	default:
+	    UNREACHABLE();
 	}
     }
     if (Do_fans && MaxMinlen < 1)