Function ExecAndWaitForResponseRedirect

Source/Tools/FEXRootFSFetcher/Main.cpp:132–167

}

int32_t ExecAndWaitForResponseRedirect(const char* path, char* const* args, int stdoutRedirect = -2, int stderrRedirect = -2) {
  pid_t pid = fork();
  if (pid == 0) {
    if (stdoutRedirect == -1) {
      close(STDOUT_FILENO);
    } else if (stdoutRedirect == -2) {
      // Do nothing
    } else {
      if (stdoutRedirect != STDOUT_FILENO) {
        close(STDOUT_FILENO);
      }
      dup2(stdoutRedirect, STDOUT_FILENO);
    }
    if (stderrRedirect == -1) {
      close(STDERR_FILENO);
    } else if (stderrRedirect == -2) {
      // Do nothing
    } else {
      if (stderrRedirect != STDOUT_FILENO) {
        close(STDERR_FILENO);
      }
      dup2(stderrRedirect, STDERR_FILENO);
    }
    execvp(path, args);
    _exit(-1);
  } else {
    int32_t Status {};
    while (waitpid(pid, &Status, 0) == -1 && errno == EINTR)
      ;
    if (WIFEXITED(Status)) {
      return (int8_t)WEXITSTATUS(Status);
    }
  }

  return -1;
}

std::string ExecAndWaitForResponseText(const char* path, char* const* args) {
  int fd[2];