From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 24 Oct 2020 17:13:04 +0000 (-0700)
Subject: reduce the scope of buffer in write_nodename()
X-Git-Tag: 2.46.0~20^2^2~4^2~5
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7a34de1c6ace0e8a71a657aea23a36e0862d2d2b;p=graphviz

reduce the scope of buffer in write_nodename()
---

diff --git a/lib/cgraph/write.c b/lib/cgraph/write.c
index caa12db3f..0f432c980 100644
--- a/lib/cgraph/write.c
+++ b/lib/cgraph/write.c
@@ -497,7 +497,7 @@ static int write_nondefault_attrs(void *obj, iochan_t * ofile,
 
 static int write_nodename(Agnode_t * n, iochan_t * ofile)
 {
-    char *name, buf[sizeof("__SUSPECT") + 20];
+    char *name;
     Agraph_t *g;
 
     name = agnameof(n);
@@ -505,6 +505,7 @@ static int write_nodename(Agnode_t * n, iochan_t * ofile)
     if (name) {
 	CHKRV(write_canonstr(g, ofile, name));
     } else {
+	char buf[sizeof("__SUSPECT") + 20];
 	sprintf(buf, "_%ld_SUSPECT", AGID(n));	/* could be deadly wrong */
 	CHKRV(ioput(g, ofile, buf));
     }