67 lines · cpp
1#include <cstdlib>2#include <string>3#include <fstream>4#include <iostream>5 6int numberfn()7{8 return 0x5a;9}10 11int12main(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 case17 // o "output2.txt" for test_run_args_and_env_vars_with_dsym() test case18 // o "output2.txt" for test_run_args_and_env_vars_with_dwarf() test case19 std::ofstream outfile;20 if (argc == 1)21 outfile.open("output1.txt");22 else23 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