[core] rand.[ch] to use better RNGs when available

prefer RAND_pseudo_bytes() (openssl), arc4random() or jrand48(),
if available, over rand()

These are not necessarily cryptographically secure, but should be better
than rand()

1 files changed, 10 insertions, 0 deletions

diff --git a/src/rand.h b/src/rand.h
new file mode 100644
index 00000000..c3bac17b
--- /dev/null
+++ b/src/rand.h
@@ -0,0 +1,10 @@
+#ifndef LI_RAND_H_
+#define LI_RAND_H_
+#include "first.h"
+
+int li_rand (void);
+void li_rand_reseed (void);
+int li_rand_bytes (unsigned char *buf, int num);
+void li_rand_cleanup (void);
+
+#endif