tools: image-host.c: use random instead of rand

According to the manpage of rand, it is recommended
to use random instead of rand. This commit updates
the function get_random_data to use random.

Reported-by: Coverity (CID: 312953)
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/tools/image-host.c b/tools/image-host.c
index 7cef78e..5e1dec2 100644 (file)
--- a/tools/image-host.c
+++ b/tools/image-host.c
@@ -339,10 +339,10 @@ static int get_random_data(void *data, int size)
                goto out;
        }
 
-       srand(date.tv_nsec);
+       srandom(date.tv_nsec);
 
        for (i = 0; i < size; i++) {
-               *tmp = rand() & 0xff;
+               *tmp = random() & 0xff;
                tmp++;
        }