bsd/hfs/hfs_catalog.c

104                             struct position_state *state);
117 static int catrec_update(const CatalogKey *ckp, CatalogRecord *crp, struct update_state *state);
829 				 * Note that we could have gotten into this state if we had invalid ranges
1482 	struct update_state state;
1489 	state.s_desc = descp;
1490 	state.s_attr = attrp;
1491 	state.s_datafork = dataforkp;
1492 	state.s_rsrcfork = rsrcforkp;
1493 	state.s_hfsmp = hfsmp;
1521 	                        (IterateCallBackProcPtr)catrec_update, &state);
1550 catrec_update(const CatalogKey *ckp, CatalogRecord *crp, struct update_state *state)
1559 	descp   = state->s_desc;
1560 	attrp   = state->s_attr;
1561 	hfsmp   = state->s_hfsmp;
1594 		if (state->s_rsrcfork) {
1595 			forkp = state->s_rsrcfork;
1605 		if (state->s_datafork) {
1606 			forkp = state->s_datafork;
1617 		/* Synchronize the lock state */
1759 		if (state->s_rsrcfork) {
1760 			forkp = state->s_rsrcfork;
1769 		if (state->s_datafork) {
1770 			forkp = state->s_datafork;
1786 		/* Synchronize the lock state */
1945 update_siblinglinks_callback(__unused const CatalogKey *ckp, CatalogRecord *crp, struct linkupdate_state *state)
1956 		if (state->prevlinkid != HFS_IGNORABLE_LINK) {
1957 			file->hl_prevLinkID = state->prevlinkid;
1959 		if (state->nextlinkid != HFS_IGNORABLE_LINK) {
1960 			file->hl_nextLinkID = state->nextlinkid;
1976 	struct linkupdate_state state;
1980 	state.filelinkid = linkfileid;
1981 	state.prevlinkid = prevlinkid;
1982 	state.nextlinkid = nextlinkid;
1990 		result = BTUpdateRecord(fcb, iterator, (IterateCallBackProcPtr)update_siblinglinks_callback, &state);
2498              struct readattr_state *state)
2500 	struct cat_entrylist *list = state->list;
2501 	struct hfsmount *hfsmp = state->hfsmp;
2508 	parentcnid = state->stdhfs ? key->hfs.parentID : key->hfsPlus.parentID;
2515 		if (parentcnid != state->dir_cnid) {
2516 			state->error = ENOENT;
2521 		state->error = ENOENT;
2545 	if (state->stdhfs) {
2603 	struct readattr_state state;
2617 	state.hfsmp = hfsmp;
2618 	state.list = ce_list;
2619 	state.dir_cnid = parentcnid;
2620 	state.stdhfs = std_hfs;
2621 	state.error = 0;
2682 			(IterateCallBackProcPtr)getentriesattr_callback, &state);
2684 	if (state.error)
2685 		result = state.error;
2782                  struct packdirentry_state *state)
2806 	hfsmp = state->cbs_hfsmp;
2810 	if (state->cbs_parentID != curID) {
2832 		if (state->cbs_flags & VNODE_READDIR_EXTENDED) {
2836 			if (state->cbs_hasprevdirentry) {
2839 				state->cbs_eof = true;
2840 				state->cbs_result = ENOENT;
2844 			state->cbs_eof = true;
2845 			state->cbs_result = ENOENT;
2850 	if (state->cbs_flags & VNODE_READDIR_EXTENDED) {
2851 		entry = state->cbs_direntry;
2853 		if (state->cbs_flags & VNODE_READDIR_NAMEMAX) {
2869 	if ((state->cbs_flags & VNODE_READDIR_EXTENDED) && stop_after_pack) {
2979 	if (state->cbs_flags & VNODE_READDIR_EXTENDED) {
2987 		state->cbs_prevdirentry->d_seekoff = (state->cbs_index + 3) | ((u_int64_t)cnid << 32);
2988 		uiosize = state->cbs_prevdirentry->d_reclen;
2989 		uioaddr = (caddr_t) state->cbs_prevdirentry;
3002 	if (ilinkref || state->cbs_previlinkref) {
3003 		uiobase = uio_curriovbase(state->cbs_uio);
3006 	if ((uiosize > (user_size_t)uio_resid(state->cbs_uio)) ||
3007 	    (ilinkref != 0 && state->cbs_nlinks == state->cbs_maxlinks)) {
3011 	if (!(state->cbs_flags & VNODE_READDIR_EXTENDED) || state->cbs_hasprevdirentry) {
3012 		state->cbs_result = uiomove(uioaddr, uiosize, state->cbs_uio);
3013 		if (state->cbs_result == 0) {
3014 			++state->cbs_index;
3017 			state->cbs_desc->cd_cnid = cnid;
3019 				state->cbs_desc->cd_flags |= CD_ISDIR;
3021 				state->cbs_desc->cd_flags &= ~CD_ISDIR;
3023 			if (state->cbs_desc->cd_nameptr != NULL) {
3024 				state->cbs_desc->cd_namelen = 0;
3027 			state->cbs_desc->cd_encoding = xxxx;
3030 				state->cbs_desc->cd_namelen = namelen;
3031 				bcopy(nameptr, state->cbs_namebuf, namelen + 1);
3049 				state->cbs_desc->cd_namelen = tmp_namelen;
3050 				bcopy(new_nameptr, state->cbs_namebuf, tmp_namelen + 1);
3055 		if (state->cbs_hasprevdirentry) {
3057 			ilinkref = state->cbs_previlinkref;  /* use previous */
3063 			(state->cbs_result == 0) &&
3064 			(state->cbs_nlinks < state->cbs_maxlinks)) {
3065 			state->cbs_linkinfo[state->cbs_nlinks].dirent_addr = uiobase;
3066 			state->cbs_linkinfo[state->cbs_nlinks].link_ref = ilinkref;
3067 			state->cbs_nlinks++;
3069 		if (state->cbs_hasprevdirentry) {
3075 	if (state->cbs_flags & VNODE_READDIR_EXTENDED) {
3077 			state->cbs_eof = true;
3091 		tmp = state->cbs_direntry;
3092 		state->cbs_direntry = state->cbs_prevdirentry;
3093 		state->cbs_prevdirentry = tmp;
3094 		state->cbs_hasprevdirentry = true;
3095 		state->cbs_previlinkref = ilinkref;
3099 	return (state->cbs_result == 0  &&
3100 		uio_resid(state->cbs_uio) >= SMALL_DIRENTRY_SIZE);
3108                            struct packdirentry_state *state)
3123 	hfsmp = state->cbs_hfsmp;
3128 	if (state->cbs_parentID != curID) {
3129 		state->cbs_result = ENOENT;
3165 	if (uiosize > (user_size_t)uio_resid(state->cbs_uio)) {
3169 	state->cbs_result = uiomove(uioaddr, uiosize, state->cbs_uio);
3170 	if (state->cbs_result == 0) {
3171 		++state->cbs_index;
3174 		state->cbs_desc->cd_cnid = cnid;
3176 			state->cbs_desc->cd_flags |= CD_ISDIR;
3178 			state->cbs_desc->cd_flags &= ~CD_ISDIR;
3180 		if (state->cbs_desc->cd_nameptr != NULL) {
3181 			state->cbs_desc->cd_namelen = 0;
3183 		state->cbs_desc->cd_namelen = namelen;
3184 		bcopy(nameptr, state->cbs_namebuf, namelen + 1);
3188 	return (state->cbs_result == 0  && uio_resid(state->cbs_uio) >= SMALL_DIRENTRY_SIZE);
3201 	struct packdirentry_state state;
3228 	state.cbs_flags = flags;
3229 	state.cbs_hasprevdirentry = false;
3230 	state.cbs_previlinkref = 0;
3231 	state.cbs_nlinks = 0;
3232 	state.cbs_maxlinks = maxlinks;
3233 	state.cbs_linkinfo = (linkinfo_t *)((char *)buffer + MAXPATHLEN);
3239 	state.cbs_eof = false;
3241 	iterator = (BTreeIterator *) ((char *)state.cbs_linkinfo + (maxlinks * sizeof(linkinfo_t)));
3246 		state.cbs_direntry = (struct direntry *)((char *)iterator + sizeof(BTreeIterator));
3247 		state.cbs_prevdirentry = state.cbs_direntry + 1;
3313 	state.cbs_index = index;
3314 	state.cbs_hfsmp = hfsmp;
3315 	state.cbs_uio = uio;
3316 	state.cbs_desc = &dirhint->dh_desc;
3317 	state.cbs_namebuf = (u_int8_t *)buffer;
3318 	state.cbs_result = 0;
3319 	state.cbs_parentID = dirhint->dh_desc.cd_parentcnid;
3342 	                          (IterateCallBackProcPtr)getdirentries_std_callback, &state);
3345 	                          (IterateCallBackProcPtr)getdirentries_callback, &state);
3361 			result = getdirentries_callback(&ckp, &crp, &state);
3365 	/* Note that state.cbs_index is still valid on errors */
3366 	*items = state.cbs_index - index;
3367 	index = state.cbs_index;
3375 	if (state.cbs_eof) {
3397 	if (state.cbs_nlinks > 0) {
3402 		for (i = 0; i < state.cbs_nlinks; ++i) {
3403 			if (resolvelinkid(hfsmp, state.cbs_linkinfo[i].link_ref, &fileid) != 0)
3406 			address = state.cbs_linkinfo[i].dirent_addr;
3427 	if (state.cbs_result)
3428 		result = state.cbs_result;
3449                  struct position_state *state)
3453 	if (state->hfsmp->hfs_flags & HFS_STANDARD)
3459 	if (state->parentID != curID) {
3460 		state->error = EINVAL;
3470 		++state->count;
3475 		state->error = EINVAL;
3479 	return (state->count < state->index);