From b1d00fce8da901b31fa52ea59b4bc3c8edb9d9cc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= <peterix@gmail.com>
Date: Fri, 11 Jan 2013 02:25:40 +0100
Subject: CMake build system, big pile of libs: bspatch, quazip, java, the
 launcher

---
 quazip/quacrc32.cpp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 quazip/quacrc32.cpp

(limited to 'quazip/quacrc32.cpp')

diff --git a/quazip/quacrc32.cpp b/quazip/quacrc32.cpp
new file mode 100644
index 00000000..9381f24c
--- /dev/null
+++ b/quazip/quacrc32.cpp
@@ -0,0 +1,28 @@
+#include "quacrc32.h"
+
+#include "zlib.h"
+
+QuaCrc32::QuaCrc32()
+{
+	reset();
+}
+
+quint32 QuaCrc32::calculate(const QByteArray &data)
+{
+	return crc32( crc32(0L, Z_NULL, 0), (const Bytef*)data.data(), data.size() );
+}
+
+void QuaCrc32::reset()
+{
+	checksum = crc32(0L, Z_NULL, 0);
+}
+
+void QuaCrc32::update(const QByteArray &buf)
+{
+	checksum = crc32( checksum, (const Bytef*)buf.data(), buf.size() );
+}
+
+quint32 QuaCrc32::value()
+{
+	return checksum;
+}
-- 
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