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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
//===- not.cpp - The 'not' testing tool -----------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// Usage:
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// not cmd
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// Will return true if cmd doesn't crash and returns false.
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// not --crash cmd
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// Will return true if cmd crashes (e.g. for testing crash reporting).
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#include "llvm/Support/Program.h"
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#include "llvm/Support/WithColor.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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int main(int argc, const char **argv) {
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bool ExpectCrash = false;
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++argv;
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--argc;
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if (argc > 0 && StringRef(argv[0]) == "--crash") {
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++argv;
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--argc;
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ExpectCrash = true;
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}
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if (argc == 0)
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return 1;
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auto Program = sys::findProgramByName(argv[0]);
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if (!Program) {
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WithColor::error() << "unable to find `" << argv[0]
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<< "' in PATH: " << Program.getError().message() << "\n";
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return 1;
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}
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std::vector<StringRef> Argv;
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Argv.reserve(argc);
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for (int i = 0; i < argc; ++i)
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Argv.push_back(argv[i]);
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std::string ErrMsg;
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int Result = sys::ExecuteAndWait(*Program, Argv, None, {}, 0, 0, &ErrMsg);
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#ifdef _WIN32
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// Handle abort() in msvcrt -- It has exit code as 3. abort(), aka
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// unreachable, should be recognized as a crash. However, some binaries use
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// exit code 3 on non-crash failure paths, so only do this if we expect a
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// crash.
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if (ExpectCrash && Result == 3)
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Result = -3;
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#endif
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if (Result < 0) {
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WithColor::error() << ErrMsg << "\n";
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if (ExpectCrash)
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return 0;
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return 1;
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}
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if (ExpectCrash)
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return 1;
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return Result == 0;
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}
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