From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Wed, 10 Aug 2022 00:44:27 +0000 (-0700)
Subject: xdot parseXDotFOn: squash -Wsign-compare warning
X-Git-Tag: 5.0.1~14^2~5
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=074fca117009def33f77bf1a998372febcdb3907;p=graphviz

xdot parseXDotFOn: squash -Wsign-compare warning
---

diff --git a/lib/xdot/xdot.c b/lib/xdot/xdot.c
index 865386df7..86058332d 100644
--- a/lib/xdot/xdot.c
+++ b/lib/xdot/xdot.c
@@ -341,7 +341,7 @@ xdot *parseXDotFOn (char *s, drawfunc_t fns[], int sz, xdot* x)
 
     if (!x) {
 	x = gv_alloc(sizeof(*x));
-	if (sz <= sizeof(xdot_op))
+	if (sz < 0 || (size_t)sz <= sizeof(xdot_op))
 	    sz = sizeof(xdot_op);
 
 	/* cnt, freefunc, ops, flags zeroed by gv_alloc */