From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Wed, 23 Jun 2021 00:37:49 +0000 (-0700)
Subject: make cluster usage string a constant array
X-Git-Tag: 2.48.0~38^2~7
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=479c45476fda12f05013a884c8cbebbbbb832415;p=graphviz

make cluster usage string a constant array

Minor clarity change that makes it more obvious to readers and the compiler that
this string is a constant that can be inlined at its usage site.
---

diff --git a/cmd/gvmap/cluster.c b/cmd/gvmap/cluster.c
index d7613ad6b..903fd8f1a 100644
--- a/cmd/gvmap/cluster.c
+++ b/cmd/gvmap/cluster.c
@@ -47,7 +47,7 @@ typedef struct {
   int clustering_method;
 } opts_t;
 
-static char* usestr =
+static const char usestr[] =
 "    -C k - generate no more than k clusters (0)\n\
        0 : no limit\n\
     -c k - use clustering method k (0)\n\