upstream/mercurial-mirror Files · contrib/fuzz/bdiff.cc

tests: change how sockets are closed...

tests: change how sockets are closed Python 3 uses a different type to represent a socket file object than Python 2. We need to conditionalize how the socket is closed accordingly. While we're here, we switch to use socket.shutdown() to close the socket. This is because socket.close() may not actually close the socket until it is GCd. socket.shutdown() forces an immediate shutdown. I suspect Python 3 changed semantic behavior here, as I can't get test-http-bad-server.t to work with socket.close(). socket.shutdown() does appear to work, however. Differential Revision: https://phab.mercurial-scm.org/D5751

Augie Fackler - - Load All Authors

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      /*

       * bdiff.cc - fuzzer harness for bdiff.c

       *

       * 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 <memory>

      #include <stdlib.h>

      #include "fuzzutil.h"

      extern "C" {

      #include "bdiff.h"

      int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)

      {

      	auto maybe_inputs = SplitInputs(Data, Size);

      	if (!maybe_inputs) {

      		return 0;

      	}

      	auto inputs = std::move(maybe_inputs.value());

      	struct bdiff_line *a, *b;

      	int an = bdiff_splitlines(inputs.left.get(), inputs.left_size, &a);

      	int bn = bdiff_splitlines(inputs.right.get(), inputs.right_size, &b);

      	struct bdiff_hunk l;

      	bdiff_diff(a, an, b, bn, &l);

      	free(a);

      	free(b);

      	bdiff_freehunks(l.next);

      	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"

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				/*
				* bdiff.cc - fuzzer harness for bdiff.c
				*
				* 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 <memory>
				#include <stdlib.h>

				#include "fuzzutil.h"

				extern "C" {
				#include "bdiff.h"

				int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
				{
				auto maybe_inputs = SplitInputs(Data, Size);
				if (!maybe_inputs) {
				return 0;
				}
				auto inputs = std::move(maybe_inputs.value());

				struct bdiff_line a, b;
				int an = bdiff_splitlines(inputs.left.get(), inputs.left_size, &a);
				int bn = bdiff_splitlines(inputs.right.get(), inputs.right_size, &b);
				struct bdiff_hunk l;
				bdiff_diff(a, an, b, bn, &l);
				free(a);
				free(b);
				bdiff_freehunks(l.next);
				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"