From f651941402079052fbdabf64092e7dd4a6a8cafe Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Tue, 17 Aug 1999 20:47:40 +0000
Subject: [PATCH] Added a function for generating 32-bit random numbers.

---
 lib/birdlib.h    |  4 ++++
 sysdep/unix/io.c | 15 +++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/lib/birdlib.h b/lib/birdlib.h
index b57478df..93ac38ef 100644
--- a/lib/birdlib.h
+++ b/lib/birdlib.h
@@ -63,4 +63,8 @@ void debug(char *msg, ...);		/* Printf to debug output */
 #define ASSERT(x) do { } while(0)
 #endif
 
+/* Pseudorandom numbers */
+
+u32 random_u32(void);
+
 #endif
diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c
index 51046645..fef1bd76 100644
--- a/sysdep/unix/io.c
+++ b/sysdep/unix/io.c
@@ -34,6 +34,20 @@
 
 #include "lib/unix.h"
 
+/*
+ *	Random Numbers
+ */
+
+u32
+random_u32(void)
+{
+  long int rand_low, rand_high;
+
+  rand_low = random();
+  rand_high = random();
+  return (rand_low & 0xffff) | ((rand_high & 0xffff) << 16);
+}
+
 /*
  *	Timers
  */
@@ -823,6 +837,7 @@ io_init(void)
   init_list(&global_event_list);
   krt_io_init();
   now = time(NULL);
+  srandom((int) now);
 }
 
 void