First

2024-07-02 18:12:23 +02:00
commit b344afa9fe
89 changed files with 10568 additions and 0 deletions
@@ -0,0 +1,25 @@
+#pragma once
+#include "Error.h"
+#include "fs/Api.h"
+#include "fs/AbsPath.h"
+
+namespace fs
+{
+//////////////////////////////////////////////////////////////////////////
+
+class IStreamSource;
+class IFilesystem;
+
+FS_API uint32_t computeCRC32(uint32_t crc, tl::span<const uint8_t> data);
+FS_API uint64_t computeCRC64(uint64_t crc, tl::span<const uint8_t> data);
+
+typedef tl::result<uint32_t, Error> CRC32StreamResult;
+FS_API CRC32StreamResult crc32Stream(IStreamSource& source, uint32_t crc = 0, size_t bufferSize = 0);
+FS_API CRC32StreamResult crc32File(const IFilesystem& filesystem, const AbsPath& filePath, uint32_t crc = 0, size_t bufferSize = 0);
+
+typedef tl::result<uint64_t, Error> CRC64StreamResult;
+FS_API CRC64StreamResult crc64Stream(IStreamSource& source, uint64_t crc = 0, size_t bufferSize = 0);
+FS_API CRC64StreamResult crc64File(const IFilesystem& filesystem, const AbsPath& filePath, uint64_t crc = 0, size_t bufferSize = 0);
+
+//////////////////////////////////////////////////////////////////////////
+}