From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 24 Jul 2021 17:52:40 +0000 (-0700)
Subject: cgraph: use a const char pointer for storing input filename
X-Git-Tag: 2.49.0~36^2~2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8e919dd514c39703bb16bf2d7e5dab1dd2426a23;p=graphviz

cgraph: use a const char pointer for storing input filename

Related to #634.
---

diff --git a/lib/cgraph/scan.l b/lib/cgraph/scan.l
index b460359e4..938d07bb2 100644
--- a/lib/cgraph/scan.l
+++ b/lib/cgraph/scan.l
@@ -35,7 +35,7 @@
 	/* this is a workaround for linux flex */
 static int line_num = 1;
 static int html_nest = 0;  /* nesting level for html strings */
-static char* InputFile;
+static const char* InputFile;
 static Agdisc_t	*Disc;
 static void 	*Ifile;
 static int graphType;