1*a3a45f30SXin Li // Copyright 2017 The Chromium OS Authors. All rights reserved. 2*a3a45f30SXin Li // Use of this source code is governed by a BSD-style license that can be 3*a3a45f30SXin Li // found in the LICENSE file. 4*a3a45f30SXin Li 5*a3a45f30SXin Li #ifndef _BSDIFF_CONSTANTS_H_ 6*a3a45f30SXin Li #define _BSDIFF_CONSTANTS_H_ 7*a3a45f30SXin Li 8*a3a45f30SXin Li #include <stdint.h> 9*a3a45f30SXin Li 10*a3a45f30SXin Li namespace bsdiff { 11*a3a45f30SXin Li 12*a3a45f30SXin Li enum class CompressorType : uint8_t { 13*a3a45f30SXin Li kNoCompression = 0, 14*a3a45f30SXin Li kBZ2 = 1, 15*a3a45f30SXin Li kBrotli = 2, 16*a3a45f30SXin Li }; 17*a3a45f30SXin Li 18*a3a45f30SXin Li // The header of the upstream's "BSDIFF40" format using BZ2 as compressor. 19*a3a45f30SXin Li constexpr uint8_t kLegacyMagicHeader[] = "BSDIFF40"; 20*a3a45f30SXin Li 21*a3a45f30SXin Li // The header of the new BSDF2 format. This format supports both bz2 and 22*a3a45f30SXin Li // brotli compressor. 23*a3a45f30SXin Li constexpr uint8_t kBSDF2MagicHeader[] = "BSDF2"; 24*a3a45f30SXin Li 25*a3a45f30SXin Li } // namespace bsdiff 26*a3a45f30SXin Li 27*a3a45f30SXin Li #endif // _BSDIFF_CONSTANTS_H_ 28