Repo created

TMessagesProj/jni/voip/webrtc/base/metrics/crc32.h

@@ -0,0 +1,24 @@
+// Copyright 2019 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef BASE_METRICS_CRC32_H_
+#define BASE_METRICS_CRC32_H_
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "base/base_export.h"
+
+namespace base {
+
+BASE_EXPORT extern const uint32_t kCrcTable[256];
+
+// This provides a simple, fast CRC-32 calculation that can be used for checking
+// the integrity of data.  It is not a "secure" calculation!  |sum| can start
+// with any seed or be used to continue an operation began with previous data.
+BASE_EXPORT uint32_t Crc32(uint32_t sum, const void* data, size_t size);
+
+}  // namespace base
+
+#endif  // BASE_METRICS_CRC32_H_