From: Tobias Oetiker <tobi@oetiker.ch>
Date: Thu, 1 Aug 2002 05:42:27 +0000 (+0000)
Subject: fix for segfault condition in print_calc
X-Git-Tag: 1.2rc1~173
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c43611033badec558bf12da73d96e1872239acbc;p=thirdparty%2Frrdtool-1.x.git

fix for segfault condition in print_calc
 -- Paul Clifford <paul.clifford@bbc.co.uk>


git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@161 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index 18be5737..2fc65263 100644
--- a/src/rrd_graph.c
+++ b/src/rrd_graph.c
@@ -1285,6 +1285,7 @@ print_calc(image_desc_t *im, char ***prdata)
 
 	    if (im->gdes[i].gf == GF_PRINT){
 		(*prdata)[prlines-2] = malloc((FMT_LEG_LEN+2)*sizeof(char));
+		(*prdata)[prlines-1] = NULL;
 		if (bad_format(im->gdes[i].format)) {
 			rrd_set_error("bad format for [G]PRINT in '%s'", im->gdes[i].format);
 			return -1;
@@ -1294,7 +1295,6 @@ print_calc(image_desc_t *im, char ***prdata)
 #else
 		sprintf((*prdata)[prlines-2],im->gdes[i].format,printval,si_symb);
 #endif
-		(*prdata)[prlines-1] = NULL;
 	    } else {
 		/* GF_GPRINT */