1 files changed, 22 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/terraform/helper/hashcode/hashcode.go b/vendor/github.com/hashicorp/terraform/helper/hashcode/hashcode.go
new file mode 100644
index 0000000..64d8263
--- /dev/null
+++ b/vendor/github.com/hashicorp/terraform/helper/hashcode/hashcode.go
@@ -0,0 +1,22 @@
+package hashcode
+
+import (
+        "hash/crc32"
+)
+
+// String hashes a string to a unique hashcode.
+//
+// crc32 returns a uint32, but for our use we need
+// and non negative integer. Here we cast to an integer
+// and invert it if the result is negative.
+func String(s string) int {
+        v := int(crc32.ChecksumIEEE([]byte(s)))
+        if v >= 0 {
+                return v
+        }
+        if -v >= 0 {
+                return -v
+        }
+        // v == MinInt
+        return 0
+}