1 #include <cstdlib> 2 #include <string> 3 #include <fstream> 4 #include <iostream> 5 numberfn()6int numberfn() 7 { 8 return 0x5a; 9 } 10 11 int main(int argc,char const * argv[])12main(int argc, char const *argv[]) 13 { 14 // The program writes its output to the following file: 15 // 16 // o "output1.txt" for test_pass_host_env_vars() test case 17 // o "output2.txt" for test_run_args_and_env_vars_with_dsym() test case 18 // o "output2.txt" for test_run_args_and_env_vars_with_dwarf() test case 19 std::ofstream outfile; 20 if (argc == 1) 21 outfile.open("output1.txt"); 22 else 23 outfile.open("output2.txt"); 24 25 for (unsigned i = 0; i < argc; ++i) { 26 std::string theArg(argv[i]); 27 if (i == 1 && "A" == theArg) 28 outfile << "argv[1] matches\n"; 29 30 if (i == 2 && "B" == theArg) 31 outfile << "argv[2] matches\n"; 32 33 if (i == 3 && "C" == theArg) 34 outfile << "argv[3] matches\n"; 35 } 36 37 // For passing environment vars from the debugger to the launched process. 38 if (::getenv("MY_ENV_VAR")) { 39 std::string MY_ENV_VAR(getenv("MY_ENV_VAR")); 40 if ("YES" == MY_ENV_VAR) { 41 outfile << "Environment variable 'MY_ENV_VAR' successfully passed.\n"; 42 } 43 } 44 45 46 // For passing host environment vars to the launched process. 47 if (::getenv("MY_HOST_ENV_VAR1")) { 48 std::string MY_HOST_ENV_VAR1(getenv("MY_HOST_ENV_VAR1")); 49 if ("VAR1" == MY_HOST_ENV_VAR1) { 50 outfile << "The host environment variable 'MY_HOST_ENV_VAR1' successfully passed.\n"; 51 } 52 } 53 54 if (::getenv("MY_HOST_ENV_VAR2")) { 55 std::string MY_HOST_ENV_VAR2(getenv("MY_HOST_ENV_VAR2")); 56 if ("VAR2" == MY_HOST_ENV_VAR2) { 57 outfile << "The host environment variable 'MY_HOST_ENV_VAR2' successfully passed.\n"; 58 } 59 } 60 61 std::cerr << "This message should go to standard error.\n"; 62 std::cout << "This message should go to standard out.\n"; 63 64 outfile.close(); 65 return numberfn(); 66 } 67