swap an sprintf for an snprintf

Towards #1950.

diff --git a/cmd/tools/unflatten.c b/cmd/tools/unflatten.c
index 9639c1c59efde542ec2961cec8fb8755a15dc754..3ee88e9888da784ef064597f8423e317ef01e56b 100644 (file)
--- a/cmd/tools/unflatten.c
+++ b/cmd/tools/unflatten.c
@@ -65,7 +65,7 @@ static void adjustlen(Agedge_t * e, Agsym_t * sym, int newlen)
 {
     char buf[12];
 
-    sprintf(buf, "%d", newlen);
+    snprintf(buf, sizeof(buf), "%d", newlen);
     agxset(e, sym, buf);
 }