test/interactive-helper/test_fileutl.cc

   1 #include <apt-pkg/fileutl.h>
   2 #include <apt-pkg/strutl.h>
   3 #include <apt-pkg/error.h>
   4
   5 #include <sys/types.h>
   6 #include <sys/stat.h>
   7 #include <sys/wait.h>
   8 #include <unistd.h>
   9 #include <stdlib.h>
  10 #include <fcntl.h>
  11
  12 #include <iostream>
  13 #include <string>
  14
  15 static void callsystem(std::string const &call)
  16 {
  17    auto ret = system(call.c_str());
  18    if (WIFEXITED(ret) == false || WEXITSTATUS(ret) != 0)
  19       _error->Error("Calling %s failed!", call.c_str());
  20 }
  21
  22 int main(int, char ** argv)
  23 {
  24         auto const pid = getpid();
  25         std::string ls;
  26         strprintf(ls, "ls -l /proc/%d/fd", pid);
  27         callsystem(ls);
  28         FileFd t;
  29         t.Open(argv[1], FileFd::ReadOnly, FileFd::Extension);
  30         callsystem(ls);
  31         char buf[1024];
  32         unsigned long long act;
  33         while (t.Read(buf, sizeof(buf), &act))
  34                 if (act == 0)
  35                         break;
  36         callsystem(ls);
  37         t.Seek(5);
  38         callsystem(ls);
  39         t.Close();
  40         callsystem(ls);
  41         auto const ret = _error->PendingError();
  42         _error->DumpErrors();
  43         return ret;
  44 }