From 42e25087663769816d311f6e1ab2d01283a40b66 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Mon, 9 Oct 2023 19:06:51 -0400
Subject: [PATCH] Add crc32()

---
 src/fart/crc32.d | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 src/fart/crc32.d

diff --git a/src/fart/crc32.d b/src/fart/crc32.d
new file mode 100644
index 0000000..faf5456
--- /dev/null
+++ b/src/fart/crc32.d
@@ -0,0 +1,18 @@
+module fart.crc32;
+
+import std.digest.crc;
+
+/**
+ * Calculate the CRC32 across the given chunk(s) of data.
+ */
+public uint crc32(Args...)(Args data)
+{
+    CRC32 crc32;
+    crc32.start();
+    static foreach (arg; data)
+    {
+        crc32.put(cast(const(ubyte)[])arg);
+    }
+    auto crc = crc32.finish();
+    return crc[0] | (crc[1] << 8) | (crc[2] << 16) | (crc[3] << 24);
+}