Mercurial > hg
annotate contrib/fuzz/bdiff.cc @ 40073:e92454e69dc3
narrow: introduce a config option to check if narrow is enabled or not
This patch introduces a new config option experimental.narrow which is set to
False by default and set to True by the narrow extension.
While moving narrow related logic into core, we need to know at places whether
narrow extension is enabled or not. Checking the list of extension enabled is
one solution but once narrow is inbuilt, we will definitely want a config option
to check whether narrow is turned on or not.
So this patch introduces a config option, which will evolve to the main point to
turn narrow capability on and off once all the narrow is in core.
Differential Revision: https://phab.mercurial-scm.org/D4889
author | Pulkit Goyal <pulkit@yandex-team.ru> |
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date | Fri, 05 Oct 2018 22:19:19 +0300 |
parents | fa0ddd5e8fff |
children | dbc39f028c9f |
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 "fuzzutil.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 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) |
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18 { |
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19 auto maybe_inputs = SplitInputs(Data, Size); |
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20 if (!maybe_inputs) { |
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21 return 0; |
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22 } |
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23 auto inputs = std::move(maybe_inputs.value()); |
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24 |
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25 struct bdiff_line *a, *b; |
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26 int an = bdiff_splitlines(inputs.left.get(), inputs.left_size, &a); |
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27 int bn = bdiff_splitlines(inputs.right.get(), inputs.right_size, &b); |
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28 struct bdiff_hunk l; |
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29 bdiff_diff(a, an, b, bn, &l); |
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30 free(a); |
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31 free(b); |
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32 bdiff_freehunks(l.next); |
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33 return 0; // Non-zero return values are reserved for future use. |
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34 } |
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35 |
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36 #ifdef HG_FUZZER_INCLUDE_MAIN |
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37 int main(int argc, char **argv) |
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38 { |
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39 const char data[] = "asdf"; |
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40 return LLVMFuzzerTestOneInput((const uint8_t *)data, 4); |
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41 } |
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42 #endif |
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43 |
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44 } // extern "C" |