utils/not/not.cpp

   1 //===- not.cpp - The 'not' testing tool -----------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "llvm/System/Path.h"
  11 #include "llvm/System/Program.h"
  12 #include "llvm/Support/raw_ostream.h"
  13 using namespace llvm;
  14
  15 int main(int argc, const char **argv) {
  16   sys::Path Program = sys::Program::FindProgramByName(argv[1]);
  17
  18   std::string ErrMsg;
  19   int Result = sys::Program::ExecuteAndWait(Program, argv + 1, 0, 0, 0, 0,
  20                                             &ErrMsg);
  21   if (Result < 0) {
  22     errs() << "Error: " << ErrMsg << "\n";
  23     return 1;
  24   }
  25
  26   return Result == 0;
  27 }