// RUN: %clangxx -O0 -g %s -lutil -o %t

// Ignore leaks as this is not the point of test, but HWASAN repors one here.
// RUN: %env_tool_opts=detect_leaks=0 %run %t | FileCheck %s

// REQUIRES: stable-runtime
// XFAIL: android && asan

// No libutil.
// UNSUPPORTED: target={{.*solaris.*}}

#include <assert.h>
#include <stdio.h>
#include <string.h>
#if __linux__
#  include <pty.h>
#elif defined(__FreeBSD__)
#  include <libutil.h>
#  include <pwd.h>
#  include <sys/ioctl.h>
#  include <sys/termios.h>
#  include <sys/types.h>
#elif defined(__sun__) && defined(__svr4__)
#  include <termios.h>
#else
#  include <util.h>
#endif
#include <unistd.h>

int main(int argc, char **argv) {
  int m;
  int pid = forkpty(&m, NULL, NULL, NULL);

  if (pid == -1) {
    fprintf(stderr, "forkpty failed\n");
    return 1;
  } else if (pid > 0) {
    char buf[1024];
    int res = read(m, buf, sizeof(buf));
    write(1, buf, res);
    write(m, "password\n", 9);
    while ((res = read(m, buf, sizeof(buf))) > 0)
      write(1, buf, res);
  } else {
    char *s = getpass("prompt");
    assert(strcmp(s, "password") == 0);
    write(1, "done\n", 5);
  }
  return 0;
}

// CHECK: prompt
// CHECK: done