compiler-rt/test/msan/Linux/forkpty.cpp

   1 // RUN: %clangxx_msan -O0 -g %s -lutil -o %t && %run %t
   2
   3 #include <assert.h>
   4 #include <pty.h>
   5 #include <unistd.h>
   6 #include <cstring>
   7
   8 #include <sanitizer/msan_interface.h>
   9
  10 int
  11 main (int argc, char** argv)
  12 {
  13   int parent, worker;
  14   openpty(&parent, &worker, NULL, NULL, NULL);
  15   assert(__msan_test_shadow(&parent, sizeof(parent)) == -1);
  16   assert(__msan_test_shadow(&worker, sizeof(worker)) == -1);
  17
  18   char name[255];
  19   ttyname_r(parent, name, sizeof(name));
  20   assert(__msan_test_shadow(name, strlen(name) + 1) == -1);
  21
  22   char *name_p = ttyname(parent);
  23   assert(__msan_test_shadow(name_p, strlen(name_p) + 1) == -1);
  24
  25   int parent2;
  26   forkpty(&parent2, NULL, NULL, NULL);
  27   assert(__msan_test_shadow(&parent2, sizeof(parent2)) == -1);
  28 }