1#include <unistd.h>
 2#include <limits.h>
 3#include <errno.h>
 4
 5long 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#ifdef __wasilibc_unmodified_upstream // WASI has no pipes
14		[_PC_PIPE_BUF] = PIPE_BUF,
15#else
16		[_PC_PIPE_BUF] = -1,
17#endif
18		[_PC_CHOWN_RESTRICTED] = 1,
19		[_PC_NO_TRUNC] = 1,
20		[_PC_VDISABLE] = 0,
21		[_PC_SYNC_IO] = 1,
22		[_PC_ASYNC_IO] = -1,
23		[_PC_PRIO_IO] = -1,
24		[_PC_SOCK_MAXBUF] = -1,
25		[_PC_FILESIZEBITS] = FILESIZEBITS,
26		[_PC_REC_INCR_XFER_SIZE] = 4096,
27		[_PC_REC_MAX_XFER_SIZE] = 4096,
28		[_PC_REC_MIN_XFER_SIZE] = 4096,
29		[_PC_REC_XFER_ALIGN] = 4096,
30		[_PC_ALLOC_SIZE_MIN] = 4096,
31		[_PC_SYMLINK_MAX] = -1,
32		[_PC_2_SYMLINKS] = 1
33	};
34	if (name >= sizeof(values)/sizeof(values[0])) {
35		errno = EINVAL;
36		return -1;
37	}
38	return values[name];
39}