Split random number functions off io.c, so that they can be documented

separately.

1 files changed, 21 insertions, 0 deletions

diff --git a/sysdep/unix/random.c b/sysdep/unix/random.c
new file mode 100644
index 00000000..b1f5086f
--- /dev/null
+++ b/sysdep/unix/random.c
@@ -0,0 +1,21 @@
+/*
+ *	BIRD Internet Routing Daemon -- Random Numbers
+ *
+ *	(c) 2000 Martin Mares <mj@ucw.cz>
+ *
+ *	Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#include <stdlib.h>
+
+#include "nest/bird.h"
+
+u32
+random_u32(void)
+{
+  long int rand_low, rand_high;
+
+  rand_low = random();
+  rand_high = random();
+  return (rand_low & 0xffff) | ((rand_high & 0xffff) << 16);
+}