From bae9f6d2fd5eb5bc80929bd393932b23f14d7c93 Mon Sep 17 00:00:00 2001
From: Jake Champlin <jake.champlin.27@gmail.com>
Date: Tue, 6 Jun 2017 12:40:07 -0400
Subject: Initial transfer of provider code

---
 vendor/github.com/hashicorp/go-uuid/uuid.go | 57 +++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 vendor/github.com/hashicorp/go-uuid/uuid.go

(limited to 'vendor/github.com/hashicorp/go-uuid/uuid.go')

diff --git a/vendor/github.com/hashicorp/go-uuid/uuid.go b/vendor/github.com/hashicorp/go-uuid/uuid.go
new file mode 100644
index 0000000..322b522
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-uuid/uuid.go
@@ -0,0 +1,57 @@
+package uuid
+
+import (
+	"crypto/rand"
+	"encoding/hex"
+	"fmt"
+)
+
+// GenerateUUID is used to generate a random UUID
+func GenerateUUID() (string, error) {
+	buf := make([]byte, 16)
+	if _, err := rand.Read(buf); err != nil {
+		return "", fmt.Errorf("failed to read random bytes: %v", err)
+	}
+
+	return FormatUUID(buf)
+}
+
+func FormatUUID(buf []byte) (string, error) {
+	if len(buf) != 16 {
+		return "", fmt.Errorf("wrong length byte slice (%d)", len(buf))
+	}
+
+	return fmt.Sprintf("%08x-%04x-%04x-%04x-%12x",
+		buf[0:4],
+		buf[4:6],
+		buf[6:8],
+		buf[8:10],
+		buf[10:16]), nil
+}
+
+func ParseUUID(uuid string) ([]byte, error) {
+	if len(uuid) != 36 {
+		return nil, fmt.Errorf("uuid string is wrong length")
+	}
+
+	hyph := []byte("-")
+
+	if uuid[8] != hyph[0] ||
+		uuid[13] != hyph[0] ||
+		uuid[18] != hyph[0] ||
+		uuid[23] != hyph[0] {
+		return nil, fmt.Errorf("uuid is improperly formatted")
+	}
+
+	hexStr := uuid[0:8] + uuid[9:13] + uuid[14:18] + uuid[19:23] + uuid[24:36]
+
+	ret, err := hex.DecodeString(hexStr)
+	if err != nil {
+		return nil, err
+	}
+	if len(ret) != 16 {
+		return nil, fmt.Errorf("decoded hex is the wrong length")
+	}
+
+	return ret, nil
+}
-- 
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