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#include <unistd.h>
#include <limits.h>
#include <errno.h>
long fpathconf(int fd, int name)
{
static const short values[] = {
[_PC_LINK_MAX] = _POSIX_LINK_MAX,
[_PC_MAX_CANON] = _POSIX_MAX_CANON,
[_PC_MAX_INPUT] = _POSIX_MAX_INPUT,
[_PC_NAME_MAX] = NAME_MAX,
[_PC_PATH_MAX] = PATH_MAX,
[_PC_PIPE_BUF] = PIPE_BUF,
[_PC_CHOWN_RESTRICTED] = 1,
[_PC_NO_TRUNC] = 1,
[_PC_VDISABLE] = 0,
[_PC_SYNC_IO] = 1,
[_PC_ASYNC_IO] = -1,
[_PC_PRIO_IO] = -1,
[_PC_SOCK_MAXBUF] = -1,
[_PC_FILESIZEBITS] = FILESIZEBITS,
[_PC_REC_INCR_XFER_SIZE] = 4096,
[_PC_REC_MAX_XFER_SIZE] = 4096,
[_PC_REC_MIN_XFER_SIZE] = 4096,
[_PC_REC_XFER_ALIGN] = 4096,
[_PC_ALLOC_SIZE_MIN] = 4096,
[_PC_SYMLINK_MAX] = -1,
[_PC_2_SYMLINKS] = 1
};
if (name >= sizeof(values)/sizeof(values[0])) {
errno = EINVAL;
return -1;
}
return values[name];
}
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