Mercurial > hg
view contrib/fuzz/xdiff.cc @ 41541:595a67a301ee
check-config: use raw strings for regular expressions
This avoids SyntaxWarning on Python 3.8 for invalid \ escapes.
Differential Revision: https://phab.mercurial-scm.org/D5826
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Mon, 04 Feb 2019 09:34:11 -0800 |
parents | 2e60a77b7058 |
children | 78df32a8b6f4 |
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/* * xdiff.cc - fuzzer harness for thirdparty/xdiff * * Copyright 2018, Google Inc. * * This software may be used and distributed according to the terms of * the GNU General Public License, incorporated herein by reference. */ #include "thirdparty/xdiff/xdiff.h" #include <inttypes.h> #include <stdlib.h> #include "fuzzutil.h" extern "C" { int hunk_consumer(long a1, long a2, long b1, long b2, void *priv) { // TODO: probably also test returning -1 from this when things break? return 0; } int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { // Don't allow fuzzer inputs larger than 100k, since we'll just bog // down and not accomplish much. if (Size > 100000) { return 0; } auto maybe_inputs = SplitInputs(Data, Size); if (!maybe_inputs) { return 0; } auto inputs = std::move(maybe_inputs.value()); mmfile_t a, b; a.ptr = inputs.left.get(); a.size = inputs.left_size; b.ptr = inputs.right.get(); b.size = inputs.right_size; xpparam_t xpp = { XDF_INDENT_HEURISTIC, /* flags */ }; xdemitconf_t xecfg = { XDL_EMIT_BDIFFHUNK, /* flags */ hunk_consumer, /* hunk_consume_func */ }; xdemitcb_t ecb = { NULL, /* priv */ }; xdl_diff(&a, &b, &xpp, &xecfg, &ecb); return 0; // Non-zero return values are reserved for future use. } #ifdef HG_FUZZER_INCLUDE_MAIN int main(int argc, char **argv) { const char data[] = "asdf"; return LLVMFuzzerTestOneInput((const uint8_t *)data, 4); } #endif } // extern "C"