Check for possible value truncation when calling vp_prints_value

This should be fixed in future by performing the checks in vp_prints_value

diff --git a/src/lib/print.c b/src/lib/print.c
index a0d4498484c8a794a8d748af2a77cd19314e1a71..0bc5c592aaaaa6d9989cd50dd215188a590b3496 100644 (file)
--- a/src/lib/print.c
+++ b/src/lib/print.c
@@ -432,7 +432,10 @@ int vp_prints_value_json(char *buffer, size_t bufsize, const VALUE_PAIR *vp)
                        break;
 
                default:
-                       p += vp_prints_value(p, bufsize, vp, 0);
+                       s = vp_prints_value(p, bufsize, vp, 0);
+                       if ((unsigned) s == (bufsize - 1)) return -1;
+                       
+                       p += s;
                        break;
        }