bsd/hfs/hfs_lookup.c

97  * The cnp->cn_nameiop argument is LOOKUP, CREATE, RENAME, or DELETE depending
139  *	Lookup *cnp in directory *dvp, return it in *vpp.
149 	IN struct componentname *cnp - Name of file;
154 hfs_lookup(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp, int *cnode_locked)
178 	nameiop = cnp->cn_nameiop;
179 	flags = cnp->cn_flags;
186 		cnp->cn_flags &= ~MAKEENTRY;
188 	} else if ((cnp->cn_nameptr[0] == '.') && (cnp->cn_namelen == 1)) {
190 		cnp->cn_flags &= ~MAKEENTRY;
216 		cndesc.cd_nameptr = (const u_int8_t *)cnp->cn_nameptr;
217 		cndesc.cd_namelen = cnp->cn_namelen;
253 		    (cnp->cn_namelen > kHFSPlusMaxFileNameChars) &&
270 		    (cnp->cn_flags & DOWHITEOUT) &&
271 		    (cnp->cn_flags & ISWHITEOUT))) &&
281 		    (cnp->cn_flags & MAKEENTRY) &&
283 			cache_enter(dvp, NULL, cnp);
293 			cnp->cn_flags &= ~MAKEENTRY;
297 			cnp->cn_flags &= ~MAKEENTRY;
329 			cnp->cn_flags &= ~MAKEENTRY;
332 		if (cnp->cn_namelen != desc.cd_namelen)
333 			cnp->cn_flags &= ~MAKEENTRY;
335 		retval = hfs_getnewvnode(hfsmp, dvp, cnp, &desc, 0, &attr, &fork, &tvp, &newvnode_flags);
350 					((cnp->cn_nameiop == CREATE) || (cnp->cn_nameiop == RENAME)) &&
365 			if ((retval == ENOENT) && (cnp->cn_nameiop == LOOKUP) &&
450 	struct componentname *cnp = ap->a_cnp;
451 	int flags = cnp->cn_flags;
470 	error = cache_lookup(dvp, vpp, cnp);
472 		if ((error == ENOENT) && (cnp->cn_nameiop != CREATE))
506 		    (bcmp(cnp->cn_nameptr, cp->c_desc.cd_nameptr, cp->c_desc.cd_namelen) != 0)) {
513 			desc.cd_nameptr = (const u_int8_t *)cnp->cn_nameptr;
514 			desc.cd_namelen = cnp->cn_namelen;
565 					if (cnp->cn_nameiop == LOOKUP) {
607 	error = hfs_lookup(dvp, vpp, cnp, &cnode_locked);