src/tests/dup2-and-unlog.c

   1 #ifdef HAVE_CONFIG_H
   2 #include <config.h>
   3 #endif
   4
   5 #include <sys/types.h>
   6 #include <stdio.h>
   7 #include <fcntl.h>
   8 #include <unistd.h>
   9 #include <err.h>
  10
  11 #include <afs/stds.h>
  12 #include <afs/auth.h>
  13
  14 int
  15 main(int argc, char **argv)
  16 {
  17     int fd;
  18
  19
  20     fd = open("foo", O_RDWR | O_CREAT, 0666);
  21     if (fd < 0)
  22         err(1, "open");
  23
  24     dup2(fd + 1, fd);
  25
  26     if (write(fd, "foo\n", 4) != 4)
  27         errx(1, "write");
  28
  29     ktc_ForgetAllTokens();
  30
  31     close(fd);
  32     close(fd + 1);
  33
  34     exit(0);
  35 }