lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | #include <errno.h> |
| 2 | #include <error.h> |
| 3 | #include <fcntl.h> |
| 4 | #include <stdio.h> |
| 5 | #include <unistd.h> |
| 6 | |
| 7 | static void do_prepare (void); |
| 8 | #define PREPARE(argc, argv) do_prepare () |
| 9 | static int do_test (void); |
| 10 | #define TEST_FUNCTION do_test () |
| 11 | #include <test-skeleton.c> |
| 12 | |
| 13 | static int temp_fd; |
| 14 | |
| 15 | static void |
| 16 | do_prepare (void) |
| 17 | { |
| 18 | char *temp_file; |
| 19 | temp_fd = create_temp_file ("tst-ttyname_r.", &temp_file); |
| 20 | if (temp_fd == -1) |
| 21 | error (1, errno, "cannot create temporary file"); |
| 22 | } |
| 23 | |
| 24 | static int |
| 25 | do_test (void) |
| 26 | { |
| 27 | int ret = 0; |
| 28 | char buf[sysconf (_SC_TTY_NAME_MAX) + 1]; |
| 29 | int res = ttyname_r (-1, buf, sizeof (buf)); |
| 30 | if (res != EBADF) |
| 31 | { |
| 32 | printf ("1st ttyname_r returned with res %d\n", res); |
| 33 | ret++; |
| 34 | } |
| 35 | res = ttyname_r (temp_fd, buf, sizeof (buf)); |
| 36 | if (res != ENOTTY) |
| 37 | { |
| 38 | printf ("2nd ttyname_r returned with res %d\n", res); |
| 39 | ret++; |
| 40 | } |
| 41 | return ret; |
| 42 | } |