39c39
< * $Id: vfs_syscalls.c,v 1.66 1997/07/17 07:17:33 dfr Exp $
---
> * $Id: vfs_syscalls.c,v 1.67 1997/09/02 20:06:03 bde Exp $
2765a2766,2814
> #ifndef _SYS_SYSPROTO_H_
> struct __getcwd_args {
> u_char * buf;
> u_int buflen;
> };
> #endif
> /* ARGSUSED */
> int
> __getcwd(p, uap, retval)
> struct proc *p;
> register struct __getcwd_args *uap;
> register_t *retval;
> {
> struct filedesc *fdp = p->p_fd;
> struct vnode *vp;
> struct namecache *ncp;
> int i,j=0;
>
> for (vp = fdp->fd_cdir; vp != fdp->fd_rdir && vp != rootvnode;) {
> if (vp->v_dd->v_id != vp->v_ddid)
> return(ENOENT);
> ncp = TAILQ_FIRST(&vp->v_cache_dst);
> if (!ncp)
> return(ENOENT);
> if (ncp->nc_dvp != vp->v_dd)
> return(ENOENT);
> for (i=ncp->nc_nlen-1; i >= 0; i--) {
> if (uap->buflen-- < 2)
> return(ENOMEM);
> subyte(uap->buf, ncp->nc_name[i]);
> uap->buf++;
> }
> if (uap->buflen-- < 2)
> return(ENOMEM);
> subyte(uap->buf, '/' );
> uap->buf++;
> j++;
> vp = vp->v_dd;
> }
> if (!j) {
> if (uap->buflen-- < 2)
> return(ENOMEM);
> subyte(uap->buf, '/' );
> uap->buf++;
> }
> subyte(uap->buf, '\0' );
> uap->buf++;
> return (0);
> }