1 files changed, 38 insertions, 0 deletions
diff --git a/cmd/ponzu/vendor/github.com/nilslice/rand/rand.go b/cmd/ponzu/vendor/github.com/nilslice/rand/rand.go
new file mode 100644
index 0000000..cbff54a
--- /dev/null
+++ b/cmd/ponzu/vendor/github.com/nilslice/rand/rand.go
@@ -0,0 +1,38 @@
+// rand provides a convenient package to use crypto/rand as default
+// but falls back to math/rand if necessary
+package rand
+
+import (
+	crand "crypto/rand"
+	mrand "math/rand"
+	"time"
+)
+
+var g_mathRand = mrand.New(mrand.NewSource(time.Now().Unix()))
+
+// Read fills the slice with random bytes
+func Read(xs []byte) {
+	length := len(xs)
+	n, err := crand.Read(xs)
+	if n != length || err != nil {
+		for length > 0 {
+			length--
+			xs[length] = byte(g_mathRand.Int31n(256))
+		}
+	}
+}
+
+// Int63 returns a non-negative 63-bit integer as an int64
+func Int63() int64 {
+	xs := make([]byte, 8)
+	var n int64
+
+	Read(xs)
+	xs[0] &= 0x7F
+	for _, x := range xs {
+		n <<= 4
+		n |= int64(x)
+	}
+
+	return n
+}