sbin/fsck_ffs/dir.c

100 dirscan(struct inodesc *idesc)
108 	if (idesc->id_type != DATA)
109 		errx(EEXIT, "wrong type to dirscan %d", idesc->id_type);
110 	if (idesc->id_entryno == 0 &&
111 	    (idesc->id_filesize & (DIRBLKSIZ - 1)) != 0)
112 		idesc->id_filesize = roundup(idesc->id_filesize, DIRBLKSIZ);
113 	blksiz = idesc->id_numfrags * sblock.fs_fsize;
114 	if (chkrange(idesc->id_blkno, idesc->id_numfrags)) {
115 		idesc->id_filesize -= blksiz;
118 	idesc->id_loc = 0;
119 	for (dp = fsck_readdir(idesc); dp != NULL; dp = fsck_readdir(idesc)) {
124 		idesc->id_dirp = (struct direct *)dbuf;
125 		if ((n = (*idesc->id_func)(idesc)) & ALTERED) {
126 			bp = getdirblk(idesc->id_blkno, blksiz);
127 			memmove(bp->b_un.b_buf + idesc->id_loc - dsize, dbuf,
136 	return (idesc->id_filesize > 0 ? KEEPON : STOP);
143 fsck_readdir(struct inodesc *idesc)
149 	blksiz = idesc->id_numfrags * sblock.fs_fsize;
150 	bp = getdirblk(idesc->id_blkno, blksiz);
151 	if (idesc->id_loc % DIRBLKSIZ == 0 && idesc->id_filesize > 0 &&
152 	    idesc->id_loc < blksiz) {
153 		dp = (struct direct *)(bp->b_un.b_buf + idesc->id_loc);
154 		if (dircheck(idesc, dp))
156 		if (idesc->id_fix == IGNORE)
158 		fix = dofix(idesc, "DIRECTORY CORRUPTED");
159 		bp = getdirblk(idesc->id_blkno, blksiz);
160 		dp = (struct direct *)(bp->b_un.b_buf + idesc->id_loc);
168 		idesc->id_loc += DIRBLKSIZ;
169 		idesc->id_filesize -= DIRBLKSIZ;
173 	if (idesc->id_filesize <= 0 || idesc->id_loc >= blksiz)
175 	dploc = idesc->id_loc;
177 	idesc->id_loc += dp->d_reclen;
178 	idesc->id_filesize -= dp->d_reclen;
179 	if ((idesc->id_loc % DIRBLKSIZ) == 0)
181 	ndp = (struct direct *)(bp->b_un.b_buf + idesc->id_loc);
182 	if (idesc->id_loc < blksiz && idesc->id_filesize > 0 &&
183 	    dircheck(idesc, ndp) == 0) {
184 		size = DIRBLKSIZ - (idesc->id_loc % DIRBLKSIZ);
185 		idesc->id_loc += size;
186 		idesc->id_filesize -= size;
187 		if (idesc->id_fix == IGNORE)
189 		fix = dofix(idesc, "DIRECTORY CORRUPTED");
190 		bp = getdirblk(idesc->id_blkno, blksiz);
204 dircheck(struct inodesc *idesc, struct direct *dp)
212 	spaceleft = DIRBLKSIZ - (idesc->id_loc % DIRBLKSIZ);
223 	    idesc->id_filesize < size ||
272 adjust(struct inodesc *idesc, int lcnt)
277 	dp = ginode(idesc->id_number);
285 			clri(idesc, "UNREF", 1);
295 			if (linkup(idesc->id_number, (ino_t)0, NULL) == 0) {
297 				clri(idesc, "UNREF", 0);
303 			dp = ginode(idesc->id_number);
308 		pwarn("LINK COUNT %s", (lfdir == idesc->id_number) ? lfname :
310 		pinode(idesc->id_number);
326 				cmd.value = idesc->id_number;
341 mkentry(struct inodesc *idesc)
343 	struct direct *dirp = idesc->id_dirp;
347 	newent.d_namlen = strlen(idesc->id_name);
358 	dirp->d_ino = idesc->id_parent;	/* ino to be entered is in id_parent */
360 	dirp->d_type = inoinfo(idesc->id_parent)->ino_type;
362 	memmove(dirp->d_name, idesc->id_name, (size_t)newent.d_namlen + 1);
367 chgino(struct inodesc *idesc)
369 	struct direct *dirp = idesc->id_dirp;
371 	if (memcmp(dirp->d_name, idesc->id_name, (int)dirp->d_namlen + 1))
373 	dirp->d_ino = idesc->id_parent;
374 	dirp->d_type = inoinfo(idesc->id_parent)->ino_type;
384 	struct inodesc idesc;
387 	memset(&idesc, 0, sizeof(struct inodesc));
405 		idesc.id_name = strdup(lfname);
406 		idesc.id_type = DATA;
407 		idesc.id_func = findino;
408 		idesc.id_number = ROOTINO;
409 		if ((ckinode(dp, &idesc) & FOUND) != 0) {
410 			lfdir = idesc.id_parent;
450 		idesc.id_type = ADDR;
451 		idesc.id_func = pass4check;
452 		idesc.id_number = oldlfdir;
453 		adjust(&idesc, inoinfo(oldlfdir)->ino_linkcnt + 1);
500 	struct inodesc idesc;
502 	memset(&idesc, 0, sizeof(struct inodesc));
503 	idesc.id_type = DATA;
504 	idesc.id_func = chgino;
505 	idesc.id_number = dir;
506 	idesc.id_fix = DONTKNOW;
507 	idesc.id_name = strdup(name);
508 	idesc.id_parent = newnum;	/* new value for name */
509 	return (ckinode(ginode(dir), &idesc));
519 	struct inodesc idesc;
525 	memset(&idesc, 0, sizeof(struct inodesc));
526 	idesc.id_type = DATA;
527 	idesc.id_func = mkentry;
528 	idesc.id_number = parent;
529 	idesc.id_parent = ino;	/* this is the inode to enter */
530 	idesc.id_fix = DONTKNOW;
531 	idesc.id_name = strdup(name);
537 	if ((ckinode(dp, &idesc) & ALTERED) != 0)
543 	return (ckinode(dp, &idesc) & ALTERED);