// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
+// Usage:
+// not cmd
+// Will return true if cmd doesn't crash and returns false.
+// not --crash cmd
+// Will return true if cmd crashes (e.g. for testing crash reporting).
#include "llvm/Support/Path.h"
#include "llvm/Support/Program.h"
using namespace llvm;
int main(int argc, const char **argv) {
- std::string Program = sys::FindProgramByName(argv[1]);
+ bool ExpectCrash = false;
+
+ ++argv;
+ --argc;
+
+ if (argc > 0 && StringRef(argv[0]) == "--crash") {
+ ++argv;
+ --argc;
+ ExpectCrash = true;
+ }
+
+ if (argc == 0)
+ return 1;
+
+ auto Program = sys::findProgramByName(argv[0]);
+ if (!Program) {
+ errs() << "Error: Unable to find `" << argv[0]
+ << "' in PATH: " << Program.getError().message() << "\n";
+ return 1;
+ }
std::string ErrMsg;
- int Result = sys::ExecuteAndWait(Program, argv + 1, 0, 0, 0, 0, &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, should be recognized as a crash. However, some binaries use
+ // exit code 3 on non-crash failure paths, so only do this if we expect a
+ // crash.
+ if (ExpectCrash && 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;
}