forked from OSchip/llvm-project
60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
//===- not.cpp - The 'not' testing tool -----------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/Path.h"
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#include "llvm/Support/Program.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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errs() << "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::string ErrMsg;
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int Result = sys::ExecuteAndWait(*Program, argv, nullptr, nullptr, 0, 0,
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&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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errs() << "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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