1 #include <unistd.h>
2 #include <limits.h>
3 #include <errno.h>
4
fpathconf(int fd,int name)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,
17 [_PC_SYNC_IO] = 1,
18 [_PC_ASYNC_IO] = -1,
19 [_PC_PRIO_IO] = -1,
20 [_PC_SOCK_MAXBUF] = -1,
21 [_PC_FILESIZEBITS] = FILESIZEBITS,
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,
27 [_PC_SYMLINK_MAX] = -1,
28 [_PC_2_SYMLINKS] = 1
29 };
30 if (name >= sizeof(values)/sizeof(values[0])) {
31 errno = EINVAL;
32 return -1;
33 }
34 return values[name];
35 }
36