From: Tobias Oetiker <tobi@oetiker.ch>
Date: Sun, 22 Oct 2006 21:09:27 +0000 (+0000)
Subject: check if valid control codes are in use
X-Git-Tag: 1.2.16~38
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=51168aabc8b1a7479708d92461a48ec63e3c9f18;p=thirdparty%2Frrdtool-1.x.git

check if valid control codes are in use


git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2/program@907 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/src/rrd_graph.c b/src/rrd_graph.c
index a16734ba..70180325 100644
--- a/src/rrd_graph.c
+++ b/src/rrd_graph.c
@@ -1446,6 +1446,18 @@ leg_place(image_desc_t *im)
 	} else {
 	    prt_fctn = '\0';
 	}
+	/* only valid control codes */
+        if (prt_fctn != 'l' && 
+	    prt_fctn != 'r' &&
+	    prt_fctn != 'j' &&
+            prt_fctn != 't' &&
+            prt_fctn != '\0' &&
+            prt_fctn != 'g' ) {
+	       free(legspace);
+	       rrd_set_error("Uknown control code at the end of '%s\\%c'",im->gdes[i].legend,prt_fctn);
+       	       return -1;
+
+	}
         /* remove exess space */
         while (prt_fctn=='g' && 
 	       leg_cc > 0 &&