Commit | Line | Data |
---|---|---|
250baf55 | 1 | #ifndef lint |
042f816f | 2 | static char version[] = "@(#)dir.c 3.10 (Berkeley) %G%"; |
250baf55 KM |
3 | #endif |
4 | ||
5 | #include <sys/param.h> | |
6 | #include <sys/inode.h> | |
7 | #include <sys/fs.h> | |
8 | #define KERNEL | |
9 | #include <sys/dir.h> | |
10 | #undef KERNEL | |
11 | #include "fsck.h" | |
12 | ||
13 | #define MINDIRSIZE (sizeof (struct dirtemplate)) | |
14 | ||
15 | char *endpathname = &pathname[BUFSIZ - 2]; | |
16 | char *lfname = "lost+found"; | |
3e2a23ca | 17 | struct dirtemplate emptydir = { 0, DIRBLKSIZ }; |
ebd05fde | 18 | struct dirtemplate dirhead = { 0, 12, 1, ".", 0, DIRBLKSIZ - 12, 2, ".." }; |
250baf55 KM |
19 | |
20 | DIRECT *fsck_readdir(); | |
21 | ||
22 | descend(parentino, inumber) | |
23 | struct inodesc *parentino; | |
24 | ino_t inumber; | |
25 | { | |
26 | register DINODE *dp; | |
27 | struct inodesc curino; | |
28 | ||
29 | bzero((char *)&curino, sizeof(struct inodesc)); | |
993a756c KM |
30 | if (statemap[inumber] != DSTATE) |
31 | errexit("BAD INODE %d TO DESCEND", statemap[inumber]); | |
32 | statemap[inumber] = DFOUND; | |
39c18287 | 33 | dp = ginode(inumber); |
250baf55 KM |
34 | if (dp->di_size == 0) { |
35 | direrr(inumber, "ZERO LENGTH DIRECTORY"); | |
36 | if (reply("REMOVE") == 1) | |
993a756c | 37 | statemap[inumber] = DCLEAR; |
250baf55 KM |
38 | return; |
39 | } | |
40 | if (dp->di_size < MINDIRSIZE) { | |
41 | direrr(inumber, "DIRECTORY TOO SHORT"); | |
42 | dp->di_size = MINDIRSIZE; | |
43 | if (reply("FIX") == 1) | |
44 | inodirty(); | |
45 | } | |
46 | curino.id_type = DATA; | |
47 | curino.id_func = parentino->id_func; | |
48 | curino.id_parent = parentino->id_number; | |
49 | curino.id_number = inumber; | |
250baf55 KM |
50 | (void)ckinode(dp, &curino); |
51 | } | |
52 | ||
53 | dirscan(idesc) | |
54 | register struct inodesc *idesc; | |
55 | { | |
56 | register DIRECT *dp; | |
57 | int dsize, n; | |
58 | long blksiz; | |
59 | char dbuf[DIRBLKSIZ]; | |
60 | ||
61 | if (idesc->id_type != DATA) | |
62 | errexit("wrong type to dirscan %d\n", idesc->id_type); | |
042f816f KM |
63 | if (idesc->id_entryno == 0 && |
64 | (idesc->id_filesize & (DIRBLKSIZ - 1)) != 0) | |
65 | idesc->id_filesize = roundup(idesc->id_filesize, DIRBLKSIZ); | |
250baf55 KM |
66 | blksiz = idesc->id_numfrags * sblock.fs_fsize; |
67 | if (outrange(idesc->id_blkno, idesc->id_numfrags)) { | |
68 | idesc->id_filesize -= blksiz; | |
69 | return (SKIP); | |
70 | } | |
71 | idesc->id_loc = 0; | |
72 | for (dp = fsck_readdir(idesc); dp != NULL; dp = fsck_readdir(idesc)) { | |
73 | dsize = dp->d_reclen; | |
74 | bcopy((char *)dp, dbuf, dsize); | |
75 | idesc->id_dirp = (DIRECT *)dbuf; | |
76 | if ((n = (*idesc->id_func)(idesc)) & ALTERED) { | |
77 | if (getblk(&fileblk, idesc->id_blkno, blksiz) != NULL) { | |
78 | bcopy(dbuf, (char *)dp, dsize); | |
79 | dirty(&fileblk); | |
80 | sbdirty(); | |
81 | } else | |
82 | n &= ~ALTERED; | |
83 | } | |
84 | if (n & STOP) | |
85 | return (n); | |
86 | } | |
87 | return (idesc->id_filesize > 0 ? KEEPON : STOP); | |
88 | } | |
89 | ||
90 | /* | |
91 | * get next entry in a directory. | |
92 | */ | |
93 | DIRECT * | |
94 | fsck_readdir(idesc) | |
95 | register struct inodesc *idesc; | |
96 | { | |
97 | register DIRECT *dp, *ndp; | |
98 | long size, blksiz; | |
99 | ||
100 | blksiz = idesc->id_numfrags * sblock.fs_fsize; | |
101 | if (getblk(&fileblk, idesc->id_blkno, blksiz) == NULL) { | |
102 | idesc->id_filesize -= blksiz - idesc->id_loc; | |
103 | return NULL; | |
104 | } | |
105 | if (idesc->id_loc % DIRBLKSIZ == 0 && idesc->id_filesize > 0 && | |
106 | idesc->id_loc < blksiz) { | |
107 | dp = (DIRECT *)(dirblk.b_buf + idesc->id_loc); | |
108 | if (dircheck(idesc, dp)) | |
109 | goto dpok; | |
110 | idesc->id_loc += DIRBLKSIZ; | |
111 | idesc->id_filesize -= DIRBLKSIZ; | |
112 | dp->d_reclen = DIRBLKSIZ; | |
113 | dp->d_ino = 0; | |
114 | dp->d_namlen = 0; | |
115 | dp->d_name[0] = '\0'; | |
7718c0e6 | 116 | if (dofix(idesc, "DIRECTORY CORRUPTED")) |
250baf55 KM |
117 | dirty(&fileblk); |
118 | return (dp); | |
119 | } | |
120 | dpok: | |
121 | if (idesc->id_filesize <= 0 || idesc->id_loc >= blksiz) | |
122 | return NULL; | |
123 | dp = (DIRECT *)(dirblk.b_buf + idesc->id_loc); | |
124 | idesc->id_loc += dp->d_reclen; | |
125 | idesc->id_filesize -= dp->d_reclen; | |
126 | if ((idesc->id_loc % DIRBLKSIZ) == 0) | |
127 | return (dp); | |
128 | ndp = (DIRECT *)(dirblk.b_buf + idesc->id_loc); | |
129 | if (idesc->id_loc < blksiz && idesc->id_filesize > 0 && | |
130 | dircheck(idesc, ndp) == 0) { | |
131 | size = DIRBLKSIZ - (idesc->id_loc % DIRBLKSIZ); | |
132 | dp->d_reclen += size; | |
133 | idesc->id_loc += size; | |
134 | idesc->id_filesize -= size; | |
7718c0e6 | 135 | if (dofix(idesc, "DIRECTORY CORRUPTED")) |
250baf55 KM |
136 | dirty(&fileblk); |
137 | } | |
138 | return (dp); | |
139 | } | |
140 | ||
141 | /* | |
142 | * Verify that a directory entry is valid. | |
143 | * This is a superset of the checks made in the kernel. | |
144 | */ | |
145 | dircheck(idesc, dp) | |
146 | struct inodesc *idesc; | |
147 | register DIRECT *dp; | |
148 | { | |
149 | register int size; | |
150 | register char *cp; | |
151 | int spaceleft; | |
152 | ||
153 | size = DIRSIZ(dp); | |
154 | spaceleft = DIRBLKSIZ - (idesc->id_loc % DIRBLKSIZ); | |
155 | if (dp->d_ino < imax && | |
156 | dp->d_reclen != 0 && | |
157 | dp->d_reclen <= spaceleft && | |
158 | (dp->d_reclen & 0x3) == 0 && | |
159 | dp->d_reclen >= size && | |
160 | idesc->id_filesize >= size && | |
161 | dp->d_namlen <= MAXNAMLEN) { | |
162 | if (dp->d_ino == 0) | |
163 | return (1); | |
164 | for (cp = dp->d_name, size = 0; size < dp->d_namlen; size++) | |
165 | if (*cp == 0 || (*cp++ & 0200)) | |
166 | return (0); | |
167 | if (*cp == 0) | |
168 | return (1); | |
169 | } | |
170 | return (0); | |
171 | } | |
172 | ||
173 | direrr(ino, s) | |
174 | ino_t ino; | |
175 | char *s; | |
176 | { | |
177 | register DINODE *dp; | |
178 | ||
179 | pwarn("%s ", s); | |
180 | pinode(ino); | |
181 | printf("\n"); | |
39c18287 KM |
182 | if (ino < ROOTINO || ino > imax) { |
183 | pfatal("NAME=%s\n", pathname); | |
184 | return; | |
185 | } | |
186 | dp = ginode(ino); | |
187 | if (ftypeok(dp)) | |
7718c0e6 | 188 | pfatal("%s=%s\n", DIRCT(dp) ? "DIR" : "FILE", pathname); |
250baf55 KM |
189 | else |
190 | pfatal("NAME=%s\n", pathname); | |
191 | } | |
192 | ||
193 | adjust(idesc, lcnt) | |
194 | register struct inodesc *idesc; | |
195 | short lcnt; | |
196 | { | |
197 | register DINODE *dp; | |
198 | ||
39c18287 | 199 | dp = ginode(idesc->id_number); |
250baf55 KM |
200 | if (dp->di_nlink == lcnt) { |
201 | if (linkup(idesc->id_number, (ino_t)0) == 0) | |
202 | clri(idesc, "UNREF", 0); | |
993a756c | 203 | } else { |
7718c0e6 KM |
204 | pwarn("LINK COUNT %s", (lfdir == idesc->id_number) ? lfname : |
205 | (DIRCT(dp) ? "DIR" : "FILE")); | |
250baf55 KM |
206 | pinode(idesc->id_number); |
207 | printf(" COUNT %d SHOULD BE %d", | |
208 | dp->di_nlink, dp->di_nlink-lcnt); | |
209 | if (preen) { | |
210 | if (lcnt < 0) { | |
211 | printf("\n"); | |
7718c0e6 | 212 | pfatal("LINK COUNT INCREASING"); |
250baf55 KM |
213 | } |
214 | printf(" (ADJUSTED)\n"); | |
215 | } | |
216 | if (preen || reply("ADJUST") == 1) { | |
217 | dp->di_nlink -= lcnt; | |
218 | inodirty(); | |
219 | } | |
220 | } | |
221 | } | |
222 | ||
223 | mkentry(idesc) | |
224 | struct inodesc *idesc; | |
225 | { | |
226 | register DIRECT *dirp = idesc->id_dirp; | |
227 | DIRECT newent; | |
228 | int newlen, oldlen; | |
229 | ||
230 | newent.d_namlen = 11; | |
231 | newlen = DIRSIZ(&newent); | |
232 | if (dirp->d_ino != 0) | |
233 | oldlen = DIRSIZ(dirp); | |
234 | else | |
235 | oldlen = 0; | |
236 | if (dirp->d_reclen - oldlen < newlen) | |
237 | return (KEEPON); | |
238 | newent.d_reclen = dirp->d_reclen - oldlen; | |
239 | dirp->d_reclen = oldlen; | |
240 | dirp = (struct direct *)(((char *)dirp) + oldlen); | |
241 | dirp->d_ino = idesc->id_parent; /* ino to be entered is in id_parent */ | |
242 | dirp->d_reclen = newent.d_reclen; | |
ebd05fde KM |
243 | dirp->d_namlen = strlen(idesc->id_name); |
244 | bcopy(idesc->id_name, dirp->d_name, dirp->d_namlen + 1); | |
250baf55 KM |
245 | return (ALTERED|STOP); |
246 | } | |
247 | ||
59e3daa2 | 248 | chgino(idesc) |
250baf55 KM |
249 | struct inodesc *idesc; |
250 | { | |
251 | register DIRECT *dirp = idesc->id_dirp; | |
252 | ||
59e3daa2 KM |
253 | if (bcmp(dirp->d_name, idesc->id_name, dirp->d_namlen + 1)) |
254 | return (KEEPON); | |
255 | dirp->d_ino = idesc->id_parent;; | |
256 | return (ALTERED|STOP); | |
250baf55 KM |
257 | } |
258 | ||
259 | linkup(orphan, pdir) | |
260 | ino_t orphan; | |
261 | ino_t pdir; | |
262 | { | |
263 | register DINODE *dp; | |
264 | int lostdir, len; | |
ebd05fde | 265 | ino_t oldlfdir; |
250baf55 | 266 | struct inodesc idesc; |
ebd05fde | 267 | char tempname[BUFSIZ]; |
59e3daa2 | 268 | extern int pass4check(); |
250baf55 KM |
269 | |
270 | bzero((char *)&idesc, sizeof(struct inodesc)); | |
39c18287 | 271 | dp = ginode(orphan); |
7718c0e6 | 272 | lostdir = DIRCT(dp); |
250baf55 KM |
273 | pwarn("UNREF %s ", lostdir ? "DIR" : "FILE"); |
274 | pinode(orphan); | |
275 | if (preen && dp->di_size == 0) | |
276 | return (0); | |
277 | if (preen) | |
278 | printf(" (RECONNECTED)\n"); | |
279 | else | |
280 | if (reply("RECONNECT") == 0) | |
281 | return (0); | |
282 | pathp = pathname; | |
283 | *pathp++ = '/'; | |
284 | *pathp = '\0'; | |
285 | if (lfdir == 0) { | |
39c18287 | 286 | dp = ginode(ROOTINO); |
7718c0e6 | 287 | idesc.id_name = lfname; |
250baf55 KM |
288 | idesc.id_type = DATA; |
289 | idesc.id_func = findino; | |
290 | idesc.id_number = ROOTINO; | |
250baf55 | 291 | (void)ckinode(dp, &idesc); |
ebd05fde KM |
292 | if (idesc.id_parent >= ROOTINO && idesc.id_parent < imax) { |
293 | lfdir = idesc.id_parent; | |
294 | } else { | |
295 | pwarn("NO lost+found DIRECTORY"); | |
296 | if (preen || reply("CREATE")) { | |
ca1a30be KM |
297 | lfdir = allocdir(ROOTINO, 0); |
298 | if (lfdir != 0) { | |
299 | if (makeentry(ROOTINO, lfdir, lfname) != 0) { | |
ebd05fde KM |
300 | if (preen) |
301 | printf(" (CREATED)\n"); | |
302 | } else { | |
ca1a30be KM |
303 | freedir(lfdir, ROOTINO); |
304 | lfdir = 0; | |
ebd05fde KM |
305 | if (preen) |
306 | printf("\n"); | |
307 | } | |
308 | } | |
309 | } | |
310 | } | |
39c18287 | 311 | if (lfdir == 0) { |
ebd05fde | 312 | pfatal("SORRY. CANNOT CREATE lost+found DIRECTORY"); |
250baf55 KM |
313 | printf("\n\n"); |
314 | return (0); | |
315 | } | |
316 | } | |
39c18287 | 317 | dp = ginode(lfdir); |
59e3daa2 KM |
318 | if (!DIRCT(dp)) { |
319 | pfatal("lost+found IS NOT A DIRECTORY"); | |
320 | if (reply("REALLOCATE") == 0) | |
321 | return (0); | |
322 | oldlfdir = lfdir; | |
323 | if ((lfdir = allocdir(ROOTINO, 0)) == 0) { | |
324 | pfatal("SORRY. CANNOT CREATE lost+found DIRECTORY\n\n"); | |
325 | return (0); | |
326 | } | |
327 | idesc.id_type = DATA; | |
328 | idesc.id_func = chgino; | |
329 | idesc.id_number = ROOTINO; | |
330 | idesc.id_parent = lfdir; /* new inumber for lost+found */ | |
331 | idesc.id_name = lfname; | |
332 | if ((ckinode(ginode(ROOTINO), &idesc) & ALTERED) == 0) { | |
333 | pfatal("SORRY. CANNOT CREATE lost+found DIRECTORY\n\n"); | |
334 | return (0); | |
335 | } | |
336 | inodirty(); | |
337 | idesc.id_type = ADDR; | |
338 | idesc.id_func = pass4check; | |
339 | idesc.id_number = oldlfdir; | |
340 | adjust(&idesc, lncntp[oldlfdir] + 1); | |
341 | lncntp[oldlfdir] = 0; | |
342 | dp = ginode(lfdir); | |
343 | } | |
344 | if (statemap[lfdir] != DFOUND) { | |
345 | pfatal("SORRY. NO lost+found DIRECTORY\n\n"); | |
250baf55 KM |
346 | return (0); |
347 | } | |
250baf55 KM |
348 | len = strlen(lfname); |
349 | bcopy(lfname, pathp, len + 1); | |
350 | pathp += len; | |
ca1a30be KM |
351 | len = lftempname(tempname, orphan); |
352 | if (makeentry(lfdir, orphan, tempname) == 0) { | |
250baf55 KM |
353 | pfatal("SORRY. NO SPACE IN lost+found DIRECTORY"); |
354 | printf("\n\n"); | |
355 | return (0); | |
356 | } | |
357 | lncntp[orphan]--; | |
358 | *pathp++ = '/'; | |
ebd05fde KM |
359 | bcopy(idesc.id_name, pathp, len + 1); |
360 | pathp += len; | |
250baf55 KM |
361 | if (lostdir) { |
362 | dp = ginode(orphan); | |
363 | idesc.id_type = DATA; | |
59e3daa2 | 364 | idesc.id_func = chgino; |
250baf55 | 365 | idesc.id_number = orphan; |
250baf55 | 366 | idesc.id_fix = DONTKNOW; |
59e3daa2 KM |
367 | idesc.id_name = ".."; |
368 | idesc.id_parent = lfdir; /* new value for ".." */ | |
250baf55 | 369 | (void)ckinode(dp, &idesc); |
39c18287 KM |
370 | dp = ginode(lfdir); |
371 | dp->di_nlink++; | |
372 | inodirty(); | |
373 | lncntp[lfdir]++; | |
250baf55 KM |
374 | pwarn("DIR I=%u CONNECTED. ", orphan); |
375 | printf("PARENT WAS I=%u\n", pdir); | |
376 | if (preen == 0) | |
377 | printf("\n"); | |
378 | } | |
379 | return (1); | |
380 | } | |
381 | ||
3e2a23ca KM |
382 | /* |
383 | * make an entry in a directory | |
384 | */ | |
ca1a30be KM |
385 | makeentry(parent, ino, name) |
386 | ino_t parent, ino; | |
387 | char *name; | |
3e2a23ca | 388 | { |
ca1a30be KM |
389 | DINODE *dp; |
390 | struct inodesc idesc; | |
3e2a23ca | 391 | |
ca1a30be KM |
392 | if (parent < ROOTINO || parent >= imax || ino < ROOTINO || ino >= imax) |
393 | return (0); | |
394 | bzero(&idesc, sizeof(struct inodesc)); | |
395 | idesc.id_type = DATA; | |
396 | idesc.id_func = mkentry; | |
397 | idesc.id_number = parent; | |
398 | idesc.id_parent = ino; /* this is the inode to enter */ | |
399 | idesc.id_fix = DONTKNOW; | |
400 | idesc.id_name = name; | |
401 | dp = ginode(parent); | |
042f816f KM |
402 | if (dp->di_size % DIRBLKSIZ) { |
403 | dp->di_size = roundup(dp->di_size, DIRBLKSIZ); | |
404 | inodirty(); | |
405 | } | |
ca1a30be | 406 | if ((ckinode(dp, &idesc) & ALTERED) != 0) |
3e2a23ca KM |
407 | return (1); |
408 | if (expanddir(dp) == 0) | |
409 | return (0); | |
ca1a30be | 410 | return (ckinode(dp, &idesc) & ALTERED); |
3e2a23ca KM |
411 | } |
412 | ||
413 | /* | |
414 | * Attempt to expand the size of a directory | |
415 | */ | |
416 | expanddir(dp) | |
417 | register DINODE *dp; | |
418 | { | |
419 | daddr_t lastbn, newblk; | |
420 | char *cp, firstblk[DIRBLKSIZ]; | |
421 | ||
422 | lastbn = lblkno(&sblock, dp->di_size); | |
423 | if (lastbn >= NDADDR - 1) | |
424 | return (0); | |
425 | if ((newblk = allocblk(sblock.fs_frag)) == 0) | |
426 | return (0); | |
427 | dp->di_db[lastbn + 1] = dp->di_db[lastbn]; | |
428 | dp->di_db[lastbn] = newblk; | |
429 | dp->di_size += sblock.fs_bsize; | |
430 | dp->di_blocks += btodb(sblock.fs_bsize); | |
431 | if (getblk(&fileblk, dp->di_db[lastbn + 1], | |
432 | dblksize(&sblock, dp, lastbn + 1)) == NULL) | |
433 | goto bad; | |
434 | bcopy(dirblk.b_buf, firstblk, DIRBLKSIZ); | |
435 | if (getblk(&fileblk, newblk, sblock.fs_bsize) == NULL) | |
436 | goto bad; | |
437 | bcopy(firstblk, dirblk.b_buf, DIRBLKSIZ); | |
438 | for (cp = &dirblk.b_buf[DIRBLKSIZ]; | |
439 | cp < &dirblk.b_buf[sblock.fs_bsize]; | |
440 | cp += DIRBLKSIZ) | |
441 | bcopy((char *)&emptydir, cp, sizeof emptydir); | |
442 | dirty(&fileblk); | |
443 | if (getblk(&fileblk, dp->di_db[lastbn + 1], | |
444 | dblksize(&sblock, dp, lastbn + 1)) == NULL) | |
445 | goto bad; | |
446 | bcopy((char *)&emptydir, dirblk.b_buf, sizeof emptydir); | |
447 | pwarn("NO SPACE LEFT IN %s", pathname); | |
448 | if (preen) | |
449 | printf(" (EXPANDED)\n"); | |
450 | else if (reply("EXPAND") == 0) | |
451 | goto bad; | |
452 | dirty(&fileblk); | |
453 | inodirty(); | |
454 | return (1); | |
455 | bad: | |
456 | dp->di_db[lastbn] = dp->di_db[lastbn + 1]; | |
457 | dp->di_db[lastbn + 1] = 0; | |
458 | dp->di_size -= sblock.fs_bsize; | |
459 | dp->di_blocks -= btodb(sblock.fs_bsize); | |
460 | freeblk(newblk, sblock.fs_frag); | |
461 | return (0); | |
462 | } | |
463 | ||
ebd05fde KM |
464 | /* |
465 | * allocate a new directory | |
466 | */ | |
467 | allocdir(parent, request) | |
468 | ino_t parent, request; | |
469 | { | |
470 | ino_t ino; | |
471 | char *cp; | |
472 | DINODE *dp; | |
473 | ||
474 | ino = allocino(request, IFDIR|0755); | |
475 | dirhead.dot_ino = ino; | |
476 | dirhead.dotdot_ino = parent; | |
477 | dp = ginode(ino); | |
478 | if (getblk(&fileblk, dp->di_db[0], sblock.fs_fsize) == NULL) { | |
479 | freeino(ino); | |
480 | return (0); | |
481 | } | |
482 | bcopy((char *)&dirhead, dirblk.b_buf, sizeof dirhead); | |
483 | for (cp = &dirblk.b_buf[DIRBLKSIZ]; | |
484 | cp < &dirblk.b_buf[sblock.fs_fsize]; | |
485 | cp += DIRBLKSIZ) | |
486 | bcopy((char *)&emptydir, cp, sizeof emptydir); | |
487 | dirty(&fileblk); | |
488 | dp->di_nlink = 2; | |
489 | inodirty(); | |
490 | if (ino == ROOTINO) { | |
491 | lncntp[ino] = dp->di_nlink; | |
492 | return(ino); | |
493 | } | |
494 | if (statemap[parent] != DSTATE && statemap[parent] != DFOUND) { | |
495 | freeino(ino); | |
496 | return (0); | |
497 | } | |
498 | statemap[ino] = statemap[parent]; | |
499 | if (statemap[ino] == DSTATE) { | |
500 | lncntp[ino] = dp->di_nlink; | |
501 | lncntp[parent]++; | |
502 | } | |
503 | dp = ginode(parent); | |
504 | dp->di_nlink++; | |
505 | inodirty(); | |
506 | return (ino); | |
507 | } | |
508 | ||
509 | /* | |
510 | * free a directory inode | |
511 | */ | |
512 | freedir(ino, parent) | |
513 | ino_t ino, parent; | |
514 | { | |
515 | DINODE *dp; | |
516 | ||
517 | if (ino != parent) { | |
518 | dp = ginode(parent); | |
519 | dp->di_nlink--; | |
520 | inodirty(); | |
521 | } | |
522 | freeino(ino); | |
523 | } | |
524 | ||
250baf55 KM |
525 | /* |
526 | * generate a temporary name for the lost+found directory. | |
527 | */ | |
528 | lftempname(bufp, ino) | |
529 | char *bufp; | |
530 | ino_t ino; | |
531 | { | |
532 | register ino_t in; | |
533 | register char *cp; | |
534 | int namlen; | |
535 | ||
536 | cp = bufp + 2; | |
537 | for (in = imax; in > 0; in /= 10) | |
538 | cp++; | |
539 | *--cp = 0; | |
540 | namlen = cp - bufp; | |
541 | in = ino; | |
542 | while (cp > bufp) { | |
543 | *--cp = (in % 10) + '0'; | |
544 | in /= 10; | |
545 | } | |
546 | *cp = '#'; | |
547 | return (namlen); | |
548 | } |