gant: check return value

1 files changed, 7 insertions, 1 deletions

diff --git a/src/gant/gant.c b/src/gant/gant.c
index 5586f99..c4e1b7c 100644
--- a/src/gant/gant.c
+++ b/src/gant/gant.c
@@ -196,11 +196,17 @@ uint randno(void)
 
   if (fd >= 0)
   {
-    read(fd, &r, sizeof r);
+    ssize_t rr = read(fd, &r, sizeof r);
     close(fd);
+    if(rr != sizeof r)
+    {
+      r = rand();
+    }
   }
   else
+  {
     r = rand();
+  }
   return r;
 }