lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | #include <stdio_ext.h> |
| 3 | |
| 4 | |
| 5 | static char *fname; |
| 6 | |
| 7 | #define PREPARE(argc, argv) \ |
| 8 | do { \ |
| 9 | int fd = create_temp_file ("tst-ext2", &fname); \ |
| 10 | if (fd == -1) \ |
| 11 | { \ |
| 12 | puts ("cannot create temporary file"); \ |
| 13 | exit (1); \ |
| 14 | } \ |
| 15 | close (fd); \ |
| 16 | } while (0) |
| 17 | |
| 18 | |
| 19 | static int |
| 20 | do_test (void) |
| 21 | { |
| 22 | int res = 0; |
| 23 | |
| 24 | FILE *fp; |
| 25 | |
| 26 | fp = fopen (fname, "w"); |
| 27 | printf ("Initial state for write-only stream: %d %d\n", |
| 28 | __freading (fp) != 0, __fwriting (fp) != 0); |
| 29 | res |= ((__freading (fp) != 0) != 0 |
| 30 | || (__fwriting (fp) != 0) != 1); |
| 31 | fclose (fp); |
| 32 | |
| 33 | fp = fopen (fname, "r"); |
| 34 | printf ("Initial state for read-only stream: %d %d\n", |
| 35 | __freading (fp) != 0, __fwriting (fp) != 0); |
| 36 | res |= ((__freading (fp) != 0) != 1 |
| 37 | || (__fwriting (fp) != 0) != 0); |
| 38 | fclose (fp); |
| 39 | |
| 40 | fp = fopen (fname, "r+"); |
| 41 | printf ("Initial state for read-write stream: %d %d\n", |
| 42 | __freading (fp) != 0, __fwriting (fp) != 0); |
| 43 | res |= ((__freading (fp) != 0) != 0 |
| 44 | || (__fwriting (fp) != 0) != 0); |
| 45 | fclose (fp); |
| 46 | |
| 47 | fp = fopen (fname, "w+"); |
| 48 | printf ("Initial state for read-write stream: %d %d\n", |
| 49 | __freading (fp) != 0, __fwriting (fp) != 0); |
| 50 | res |= ((__freading (fp) != 0) != 0 |
| 51 | || (__fwriting (fp) != 0) != 0); |
| 52 | fclose (fp); |
| 53 | |
| 54 | return res; |
| 55 | } |
| 56 | |
| 57 | #define TEST_FUNCTION do_test () |
| 58 | #include "../test-skeleton.c" |