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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/command_line.h" | 5 #include "base/command_line.h" |
6 #include "base/files/file.h" | 6 #include "base/files/file.h" |
7 #include "base/files/file_util.h" | 7 #include "base/files/file_util.h" |
8 #include "base/strings/string_number_conversions.h" | 8 #include "base/strings/string_number_conversions.h" |
9 #include "net/spdy/fuzzing/hpack_fuzz_util.h" | 9 #include "net/spdy/fuzzing/hpack_fuzz_util.h" |
10 | 10 |
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58 base::File file_out(base::FilePath::FromUTF8Unsafe(file_to_write), | 58 base::File file_out(base::FilePath::FromUTF8Unsafe(file_to_write), |
59 base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE); | 59 base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE); |
60 CHECK(file_out.IsValid()) << file_out.error_details(); | 60 CHECK(file_out.IsValid()) << file_out.error_details(); |
61 | 61 |
62 DVLOG(1) << "Flipping " << flip_ratio << " bits per 1024 input bytes"; | 62 DVLOG(1) << "Flipping " << flip_ratio << " bits per 1024 input bytes"; |
63 | 63 |
64 size_t block_count = 0; | 64 size_t block_count = 0; |
65 StringPiece block; | 65 StringPiece block; |
66 while (HpackFuzzUtil::NextHeaderBlock(&input, &block)) { | 66 while (HpackFuzzUtil::NextHeaderBlock(&input, &block)) { |
67 HpackFuzzUtil::FlipBits( | 67 HpackFuzzUtil::FlipBits( |
68 reinterpret_cast<uint8*>(const_cast<char*>(block.data())), | 68 reinterpret_cast<uint8_t*>(const_cast<char*>(block.data())), |
69 block.size(), | 69 block.size(), flip_ratio); |
70 flip_ratio); | |
71 | 70 |
72 string prefix = HpackFuzzUtil::HeaderBlockPrefix(block.size()); | 71 string prefix = HpackFuzzUtil::HeaderBlockPrefix(block.size()); |
73 | 72 |
74 CHECK_LT(0, file_out.WriteAtCurrentPos(prefix.data(), prefix.size())); | 73 CHECK_LT(0, file_out.WriteAtCurrentPos(prefix.data(), prefix.size())); |
75 CHECK_LT(0, file_out.WriteAtCurrentPos(block.data(), block.size())); | 74 CHECK_LT(0, file_out.WriteAtCurrentPos(block.data(), block.size())); |
76 ++block_count; | 75 ++block_count; |
77 } | 76 } |
78 CHECK(file_out.Flush()); | 77 CHECK(file_out.Flush()); |
79 DVLOG(1) << "Mutated " << block_count << " blocks."; | 78 DVLOG(1) << "Mutated " << block_count << " blocks."; |
80 return 0; | 79 return 0; |
81 } | 80 } |
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