From: erg <devnull@localhost>
Date: Fri, 4 Sep 2009 21:27:43 +0000 (+0000)
Subject: Fix bugs 1718 and 1720.
X-Git-Tag: LAST_LIBGRAPH~32^2~1719
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=262d86c6491e6ec874435909226c3b76a0ae563a;p=graphviz

Fix bugs 1718 and 1720.
---

diff --git a/lib/common/shapes.c b/lib/common/shapes.c
index 688ec5b89..c7c54e2e1 100644
--- a/lib/common/shapes.c
+++ b/lib/common/shapes.c
@@ -2148,6 +2148,10 @@ static void record_init(node_t * n)
     flip = NOT(GD_realflip(agraphof(n)));
     reclblp = ND_label(n)->text;
     len = strlen(reclblp);
+    /* For some forgotten reason, an empty label is parsed into a space, so
+     * we need at least two bytes in textbuf.
+     */
+    len = MAX(len,1);  
     textbuf = N_NEW(len + 1, char);
     if (!(info = parse_reclbl(n, flip, TRUE, textbuf))) {
 	agerr(AGERR, "bad label format %s\n", ND_label(n)->text);