Rich Felker | 0b44a03 | 2011-02-12 00:22:29 -0500 | [diff] [blame] | 1 | #include <unistd.h> |
| 2 | #include <limits.h> |
| 3 | #include <errno.h> |
| 4 | |
| 5 | long fpathconf(int fd, int name) |
| 6 | { |
| 7 | static const short values[] = { |
| 8 | [_PC_LINK_MAX] = _POSIX_LINK_MAX, |
| 9 | [_PC_MAX_CANON] = _POSIX_MAX_CANON, |
| 10 | [_PC_MAX_INPUT] = _POSIX_MAX_INPUT, |
| 11 | [_PC_NAME_MAX] = NAME_MAX, |
| 12 | [_PC_PATH_MAX] = PATH_MAX, |
| 13 | [_PC_PIPE_BUF] = PIPE_BUF, |
| 14 | [_PC_CHOWN_RESTRICTED] = 1, |
| 15 | [_PC_NO_TRUNC] = 1, |
| 16 | [_PC_VDISABLE] = 0, |
Rich Felker | c0f3441 | 2011-08-16 23:23:15 -0400 | [diff] [blame] | 17 | [_PC_SYNC_IO] = 1, |
| 18 | [_PC_ASYNC_IO] = -1, |
| 19 | [_PC_PRIO_IO] = -1, |
Rich Felker | 0b44a03 | 2011-02-12 00:22:29 -0500 | [diff] [blame] | 20 | [_PC_SOCK_MAXBUF] = -1, |
Rich Felker | 3e082df | 2011-08-16 23:18:30 -0400 | [diff] [blame] | 21 | [_PC_FILESIZEBITS] = FILESIZEBITS, |
Szabolcs Nagy | b20760c | 2013-09-15 02:00:32 +0000 | [diff] [blame] | 22 | [_PC_REC_INCR_XFER_SIZE] = 4096, |
| 23 | [_PC_REC_MAX_XFER_SIZE] = 4096, |
| 24 | [_PC_REC_MIN_XFER_SIZE] = 4096, |
| 25 | [_PC_REC_XFER_ALIGN] = 4096, |
| 26 | [_PC_ALLOC_SIZE_MIN] = 4096, |
Rich Felker | 767f7a1 | 2018-08-20 20:20:31 -0400 | [diff] [blame^] | 27 | [_PC_SYMLINK_MAX] = -1, |
Rich Felker | 0b44a03 | 2011-02-12 00:22:29 -0500 | [diff] [blame] | 28 | [_PC_2_SYMLINKS] = 1 |
| 29 | }; |
Rich Felker | 3bed89a | 2014-09-05 14:01:13 -0400 | [diff] [blame] | 30 | if (name >= sizeof(values)/sizeof(values[0])) { |
Rich Felker | 0b44a03 | 2011-02-12 00:22:29 -0500 | [diff] [blame] | 31 | errno = EINVAL; |
| 32 | return -1; |
| 33 | } |
| 34 | return values[name]; |
| 35 | } |