llvm-project/llvm/utils/not/not.cpp

54 lines
1.3 KiB
C++

//===- not.cpp - The 'not' testing tool -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Path.h"
#include "llvm/Support/Program.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
int main(int argc, const char **argv) {
bool ExpectCrash = false;
++argv;
--argc;
if (argc > 0 && StringRef(argv[0]) == "--crash") {
++argv;
--argc;
ExpectCrash = true;
}
if (argc == 0)
return 1;
std::string Program = sys::FindProgramByName(argv[0]);
std::string ErrMsg;
int Result = sys::ExecuteAndWait(Program, argv, nullptr, nullptr, 0, 0,
&ErrMsg);
#ifdef _WIN32
// Handle abort() in msvcrt -- It has exit code as 3.
// abort(), aka unreachable, may be handled as crash.
// FIXME: Could we move this into Win32/Program.inc?
if (Result == 3)
Result = -3;
#endif
if (Result < 0) {
errs() << "Error: " << ErrMsg << "\n";
if (ExpectCrash)
return 0;
return 1;
}
if (ExpectCrash)
return 1;
return Result == 0;
}