Mercurial > hg
annotate contrib/fuzz/bdiff.cc @ 46387:c41ac8985fe4
perf: test the formatting of a command help
Since we are about to addd ':' in command name I want this covered.
Differential Revision: https://phab.mercurial-scm.org/D9871
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Mon, 25 Jan 2021 23:13:01 +0100 |
parents | d37658efbec2 |
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rev | line source |
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1 /* |
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2 * bdiff.cc - fuzzer harness for bdiff.c |
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3 * |
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4 * Copyright 2018, Google Inc. |
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5 * |
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6 * This software may be used and distributed according to the terms of |
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7 * the GNU General Public License, incorporated herein by reference. |
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8 */ |
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9 #include <memory> |
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10 #include <stdlib.h> |
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11 |
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12 #include "FuzzedDataProvider.h" |
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13 |
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14 extern "C" { |
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15 #include "bdiff.h" |
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16 |
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17 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv) |
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18 { |
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19 return 0; |
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20 } |
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21 |
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22 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) |
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23 { |
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24 FuzzedDataProvider provider(Data, Size); |
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25 std::string left = provider.ConsumeRandomLengthString(Size); |
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26 std::string right = provider.ConsumeRemainingBytesAsString(); |
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27 |
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28 struct bdiff_line *a, *b; |
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29 int an = bdiff_splitlines(left.c_str(), left.size(), &a); |
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30 int bn = bdiff_splitlines(right.c_str(), right.size(), &b); |
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31 struct bdiff_hunk l; |
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32 bdiff_diff(a, an, b, bn, &l); |
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33 free(a); |
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34 free(b); |
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35 bdiff_freehunks(l.next); |
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36 return 0; // Non-zero return values are reserved for future use. |
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37 } |
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38 |
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39 } // extern "C" |