src/compiler-rt/test/msan/Linux/forkpty.cc

   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 master, slave;
  14   openpty(&master, &slave, NULL, NULL, NULL);
  15   assert(__msan_test_shadow(&master, sizeof(master)) == -1);
  16   assert(__msan_test_shadow(&slave, sizeof(slave)) == -1);
  17
  18   char ttyname[255];
  19   ttyname_r(master, ttyname, sizeof(ttyname));
  20   assert(__msan_test_shadow(ttyname, strlen(ttyname) + 1) == -1);
  21
  22   int master2;
  23   forkpty(&master2, NULL, NULL, NULL);
  24   assert(__msan_test_shadow(&master2, sizeof(master2)) == -1);
  25 }