From 601dfbd781a22d4a9e157d2da6e54fc571a9125f Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Sat, 23 Feb 2019 23:08:35 +0100
Subject: [PATCH] sprintf -> snprintf: prevent buffer overflow

---
 src/frontend/plotting/gnuplot.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/frontend/plotting/gnuplot.c b/src/frontend/plotting/gnuplot.c
index a84925939..5a2c50c28 100644
--- a/src/frontend/plotting/gnuplot.c
+++ b/src/frontend/plotting/gnuplot.c
@@ -55,8 +55,8 @@ ft_gnuplot(double *xlims, double *ylims, char *filename, char *title, char *xlab
     char filename_data[128];
     char filename_plt[128];
 
-    sprintf(filename_data, "%s.data", filename);
-    sprintf(filename_plt, "%s.plt", filename);
+    snprintf(filename_data, 128, "%s.data", filename);
+    snprintf(filename_plt, 128, "%s.plt", filename);
 
     /* Sanity checking. */
     for (v = vecs, numVecs = 0; v; v = v->v_link2)