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	This fixes Clang's test/Index/comment-xml-schema.c with Cygwin's xmllint.exe, which uses exit(3) for XML validation failure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211550 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			55 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			1.3 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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  std::string Program = sys::FindProgramByName(argv[0]);
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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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