1 files changed, 13 insertions, 0 deletions
diff --git a/src/prng/rand.c b/src/prng/rand.c
new file mode 100644
index 00000000..e3ce6347
--- /dev/null
+++ b/src/prng/rand.c
@@ -0,0 +1,13 @@
+#include <stdlib.h>
+
+static unsigned seed;
+
+void srand(unsigned s)
+{
+	seed = s-1;
+}
+
+int rand(void)
+{
+	return (seed = (seed+1) * 1103515245 + 12345 - 1)+1 & 0x7fffffff;
+}