From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Mon, 2 May 2005 19:32:49 +0000 (+0000)
Subject: no infinite line width please
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=7e9d021d4b981dd1017e4e36617b5b60005582f3;p=rrdtool.git

no infinite line width please


git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2/program@475 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/src/rrd_graph_helper.c b/src/rrd_graph_helper.c
index 65bedb4..595486a 100644
--- a/src/rrd_graph_helper.c
+++ b/src/rrd_graph_helper.c
@@ -60,8 +60,8 @@ rrd_parse_find_gf(char *line, unsigned int *eaten, graph_desc_t *gdp) {
 		double width;
 		*eaten+=i;
 		if (sscanf(&line[*eaten],"%lf%n:",&width,&i)){
-			if (width <= 0){
-				rrd_set_error("LINE width is %lf. It must be >= 0 though",width);
+			if (width < 0 || isnan(width) || isinf(width) ){
+				rrd_set_error("LINE width is %lf. It must be finite and >= 0 though",width);
 				return 1;
 			}
 			gdp->linewidth=width;