main.cpp
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//===-- main.cpp ------------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include <cstdlib>
#include <string>
#include <fstream>
#include <iostream>
int numberfn()
{
return 0x5a;
}
int
main(int argc, char const *argv[])
{
// The program writes its output to the following file:
//
// o "output1.txt" for test_pass_host_env_vars() test case
// o "output2.txt" for test_run_args_and_env_vars_with_dsym() test case
// o "output2.txt" for test_run_args_and_env_vars_with_dwarf() test case
std::ofstream outfile;
if (argc == 1)
outfile.open("output1.txt");
else
outfile.open("output2.txt");
for (unsigned i = 0; i < argc; ++i) {
std::string theArg(argv[i]);
if (i == 1 && "A" == theArg)
outfile << "argv[1] matches\n";
if (i == 2 && "B" == theArg)
outfile << "argv[2] matches\n";
if (i == 3 && "C" == theArg)
outfile << "argv[3] matches\n";
}
// For passing environment vars from the debugger to the launched process.
if (::getenv("MY_ENV_VAR")) {
std::string MY_ENV_VAR(getenv("MY_ENV_VAR"));
if ("YES" == MY_ENV_VAR) {
outfile << "Environment variable 'MY_ENV_VAR' successfully passed.\n";
}
}
// For passing host environment vars to the launched process.
if (::getenv("MY_HOST_ENV_VAR1")) {
std::string MY_HOST_ENV_VAR1(getenv("MY_HOST_ENV_VAR1"));
if ("VAR1" == MY_HOST_ENV_VAR1) {
outfile << "The host environment variable 'MY_HOST_ENV_VAR1' successfully passed.\n";
}
}
if (::getenv("MY_HOST_ENV_VAR2")) {
std::string MY_HOST_ENV_VAR2(getenv("MY_HOST_ENV_VAR2"));
if ("VAR2" == MY_HOST_ENV_VAR2) {
outfile << "The host environment variable 'MY_HOST_ENV_VAR2' successfully passed.\n";
}
}
std::cerr << "This message should go to standard error.\n";
std::cout << "This message should go to standard out.\n";
outfile.close();
return numberfn();
}