| 1 |
/* $OpenBSD: ftree.c,v 1.26 2005/04/21 21:47:18 beck Exp $ */ |
| 2 |
/* $NetBSD: ftree.c,v 1.4 1995/03/21 09:07:21 cgd Exp $ */ |
| 3 |
|
| 4 |
/*- |
| 5 |
* Copyright (c) 1992 Keith Muller. |
| 6 |
* Copyright (c) 1992, 1993 |
| 7 |
* The Regents of the University of California. All rights reserved. |
| 8 |
* |
| 9 |
* This code is derived from software contributed to Berkeley by |
| 10 |
* Keith Muller of the University of California, San Diego. |
| 11 |
* |
| 12 |
* Redistribution and use in source and binary forms, with or without |
| 13 |
* modification, are permitted provided that the following conditions |
| 14 |
* are met: |
| 15 |
* 1. Redistributions of source code must retain the above copyright |
| 16 |
* notice, this list of conditions and the following disclaimer. |
| 17 |
* 2. Redistributions in binary form must reproduce the above copyright |
| 18 |
* notice, this list of conditions and the following disclaimer in the |
| 19 |
* documentation and/or other materials provided with the distribution. |
| 20 |
* 3. Neither the name of the University nor the names of its contributors |
| 21 |
* may be used to endorse or promote products derived from this software |
| 22 |
* without specific prior written permission. |
| 23 |
* |
| 24 |
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 25 |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 26 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 27 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 28 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 29 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 30 |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 31 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 32 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 33 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 34 |
* SUCH DAMAGE. |
| 35 |
*/ |
| 36 |
|
| 37 |
#include <sys/param.h> |
| 38 |
#include <sys/time.h> |
| 39 |
#include <sys/stat.h> |
| 40 |
#include <unistd.h> |
| 41 |
#include <string.h> |
| 42 |
#include <stdio.h> |
| 43 |
#include <errno.h> |
| 44 |
#include <stdlib.h> |
| 45 |
#include <fts.h> |
| 46 |
#include "pax.h" |
| 47 |
#include "ftree.h" |
| 48 |
#include "extern.h" |
| 49 |
|
| 50 |
__SCCSID("@(#)ftree.c 8.2 (Berkeley) 4/18/94"); |
| 51 |
__RCSID("$MirOS: src/bin/pax/ftree.c,v 1.2 2007/02/17 04:52:40 tg Exp $"); |
| 52 |
|
| 53 |
/* |
| 54 |
* routines to interface with the fts library function. |
| 55 |
* |
| 56 |
* file args supplied to pax are stored on a single linked list (of type FTREE) |
| 57 |
* and given to fts to be processed one at a time. pax "selects" files from |
| 58 |
* the expansion of each arg into the corresponding file tree (if the arg is a |
| 59 |
* directory, otherwise the node itself is just passed to pax). The selection |
| 60 |
* is modified by the -n and -u flags. The user is informed when a specific |
| 61 |
* file arg does not generate any selected files. -n keeps expanding the file |
| 62 |
* tree arg until one of its files is selected, then skips to the next file |
| 63 |
* arg. when the user does not supply the file trees as command line args to |
| 64 |
* pax, they are read from stdin |
| 65 |
*/ |
| 66 |
|
| 67 |
static FTS *ftsp = NULL; /* current FTS handle */ |
| 68 |
static int ftsopts; /* options to be used on fts_open */ |
| 69 |
static char *farray[2]; /* array for passing each arg to fts */ |
| 70 |
static FTREE *fthead = NULL; /* head of linked list of file args */ |
| 71 |
static FTREE *fttail = NULL; /* tail of linked list of file args */ |
| 72 |
static FTREE *ftcur = NULL; /* current file arg being processed */ |
| 73 |
static FTSENT *ftent = NULL; /* current file tree entry */ |
| 74 |
static int ftree_skip; /* when set skip to next file arg */ |
| 75 |
|
| 76 |
static int ftree_arg(void); |
| 77 |
static char *getpathname(char *, int); |
| 78 |
|
| 79 |
/* |
| 80 |
* ftree_start() |
| 81 |
* initialize the options passed to fts_open() during this run of pax |
| 82 |
* options are based on the selection of pax options by the user |
| 83 |
* fts_start() also calls fts_arg() to open the first valid file arg. We |
| 84 |
* also attempt to reset directory access times when -t (tflag) is set. |
| 85 |
* Return: |
| 86 |
* 0 if there is at least one valid file arg to process, -1 otherwise |
| 87 |
*/ |
| 88 |
|
| 89 |
int |
| 90 |
ftree_start(void) |
| 91 |
{ |
| 92 |
/* |
| 93 |
* set up the operation mode of fts, open the first file arg. We must |
| 94 |
* use FTS_NOCHDIR, as the user may have to open multiple archives and |
| 95 |
* if fts did a chdir off into the boondocks, we may create an archive |
| 96 |
* volume in an place where the user did not expect to. |
| 97 |
*/ |
| 98 |
ftsopts = FTS_NOCHDIR; |
| 99 |
|
| 100 |
/* |
| 101 |
* optional user flags that effect file traversal |
| 102 |
* -H command line symlink follow only (half follow) |
| 103 |
* -L follow sylinks (logical) |
| 104 |
* -P do not follow sylinks (physical). This is the default. |
| 105 |
* -X do not cross over mount points |
| 106 |
* -t preserve access times on files read. |
| 107 |
* -n select only the first member of a file tree when a match is found |
| 108 |
* -d do not extract subtrees rooted at a directory arg. |
| 109 |
*/ |
| 110 |
if (Lflag) |
| 111 |
ftsopts |= FTS_LOGICAL; |
| 112 |
else |
| 113 |
ftsopts |= FTS_PHYSICAL; |
| 114 |
if (Hflag) |
| 115 |
ftsopts |= FTS_COMFOLLOW; |
| 116 |
if (Xflag) |
| 117 |
ftsopts |= FTS_XDEV; |
| 118 |
|
| 119 |
if ((fthead == NULL) && ((farray[0] = malloc(PAXPATHLEN+2)) == NULL)) { |
| 120 |
paxwarn(1, "Unable to allocate memory for file name buffer"); |
| 121 |
return(-1); |
| 122 |
} |
| 123 |
|
| 124 |
if (ftree_arg() < 0) |
| 125 |
return(-1); |
| 126 |
if (tflag && (atdir_start() < 0)) |
| 127 |
return(-1); |
| 128 |
return(0); |
| 129 |
} |
| 130 |
|
| 131 |
/* |
| 132 |
* ftree_add() |
| 133 |
* add the arg to the linked list of files to process. Each will be |
| 134 |
* processed by fts one at a time |
| 135 |
* Return: |
| 136 |
* 0 if added to the linked list, -1 if failed |
| 137 |
*/ |
| 138 |
|
| 139 |
int |
| 140 |
ftree_add(char *str, int chflg) |
| 141 |
{ |
| 142 |
FTREE *ft; |
| 143 |
int len; |
| 144 |
|
| 145 |
/* |
| 146 |
* simple check for bad args |
| 147 |
*/ |
| 148 |
if ((str == NULL) || (*str == '\0')) { |
| 149 |
paxwarn(0, "Invalid file name argument"); |
| 150 |
return(-1); |
| 151 |
} |
| 152 |
|
| 153 |
/* |
| 154 |
* allocate FTREE node and add to the end of the linked list (args are |
| 155 |
* processed in the same order they were passed to pax). Get rid of any |
| 156 |
* trailing / the user may pass us. (watch out for / by itself). |
| 157 |
*/ |
| 158 |
if ((ft = (FTREE *)malloc(sizeof(FTREE))) == NULL) { |
| 159 |
paxwarn(0, "Unable to allocate memory for filename"); |
| 160 |
return(-1); |
| 161 |
} |
| 162 |
|
| 163 |
if (((len = strlen(str) - 1) > 0) && (str[len] == '/')) |
| 164 |
str[len] = '\0'; |
| 165 |
ft->fname = str; |
| 166 |
ft->refcnt = 0; |
| 167 |
ft->chflg = chflg; |
| 168 |
ft->fow = NULL; |
| 169 |
if (fthead == NULL) { |
| 170 |
fttail = fthead = ft; |
| 171 |
return(0); |
| 172 |
} |
| 173 |
fttail->fow = ft; |
| 174 |
fttail = ft; |
| 175 |
return(0); |
| 176 |
} |
| 177 |
|
| 178 |
/* |
| 179 |
* ftree_sel() |
| 180 |
* this entry has been selected by pax. bump up reference count and handle |
| 181 |
* -n and -d processing. |
| 182 |
*/ |
| 183 |
|
| 184 |
void |
| 185 |
ftree_sel(ARCHD *arcn) |
| 186 |
{ |
| 187 |
/* |
| 188 |
* set reference bit for this pattern. This linked list is only used |
| 189 |
* when file trees are supplied pax as args. The list is not used when |
| 190 |
* the trees are read from stdin. |
| 191 |
*/ |
| 192 |
if (ftcur != NULL) |
| 193 |
ftcur->refcnt = 1; |
| 194 |
|
| 195 |
/* |
| 196 |
* if -n we are done with this arg, force a skip to the next arg when |
| 197 |
* pax asks for the next file in next_file(). |
| 198 |
* if -d we tell fts only to match the directory (if the arg is a dir) |
| 199 |
* and not the entire file tree rooted at that point. |
| 200 |
*/ |
| 201 |
if (nflag) |
| 202 |
ftree_skip = 1; |
| 203 |
|
| 204 |
if (!dflag || (arcn->type != PAX_DIR)) |
| 205 |
return; |
| 206 |
|
| 207 |
if (ftent != NULL) |
| 208 |
(void)fts_set(ftsp, ftent, FTS_SKIP); |
| 209 |
} |
| 210 |
|
| 211 |
/* |
| 212 |
* ftree_chk() |
| 213 |
* called at end on pax execution. Prints all those file args that did not |
| 214 |
* have a selected member (reference count still 0) |
| 215 |
*/ |
| 216 |
|
| 217 |
void |
| 218 |
ftree_chk(void) |
| 219 |
{ |
| 220 |
FTREE *ft; |
| 221 |
int wban = 0; |
| 222 |
|
| 223 |
/* |
| 224 |
* make sure all dir access times were reset. |
| 225 |
*/ |
| 226 |
if (tflag) |
| 227 |
atdir_end(); |
| 228 |
|
| 229 |
/* |
| 230 |
* walk down list and check reference count. Print out those members |
| 231 |
* that never had a match |
| 232 |
*/ |
| 233 |
for (ft = fthead; ft != NULL; ft = ft->fow) { |
| 234 |
if ((ft->refcnt > 0) || ft->chflg) |
| 235 |
continue; |
| 236 |
if (wban == 0) { |
| 237 |
paxwarn(1,"WARNING! These file names were not selected:"); |
| 238 |
++wban; |
| 239 |
} |
| 240 |
(void)fprintf(stderr, "%s\n", ft->fname); |
| 241 |
} |
| 242 |
} |
| 243 |
|
| 244 |
/* |
| 245 |
* ftree_arg() |
| 246 |
* Get the next file arg for fts to process. Can be from either the linked |
| 247 |
* list or read from stdin when the user did not them as args to pax. Each |
| 248 |
* arg is processed until the first successful fts_open(). |
| 249 |
* Return: |
| 250 |
* 0 when the next arg is ready to go, -1 if out of file args (or EOF on |
| 251 |
* stdin). |
| 252 |
*/ |
| 253 |
|
| 254 |
static int |
| 255 |
ftree_arg(void) |
| 256 |
{ |
| 257 |
|
| 258 |
/* |
| 259 |
* close off the current file tree |
| 260 |
*/ |
| 261 |
if (ftsp != NULL) { |
| 262 |
(void)fts_close(ftsp); |
| 263 |
ftsp = NULL; |
| 264 |
} |
| 265 |
|
| 266 |
/* |
| 267 |
* keep looping until we get a valid file tree to process. Stop when we |
| 268 |
* reach the end of the list (or get an eof on stdin) |
| 269 |
*/ |
| 270 |
for (;;) { |
| 271 |
if (fthead == NULL) { |
| 272 |
/* |
| 273 |
* the user didn't supply any args, get the file trees |
| 274 |
* to process from stdin; |
| 275 |
*/ |
| 276 |
if (getpathname(farray[0], PAXPATHLEN+1) == NULL) |
| 277 |
return(-1); |
| 278 |
} else { |
| 279 |
/* |
| 280 |
* the user supplied the file args as arguments to pax |
| 281 |
*/ |
| 282 |
if (ftcur == NULL) |
| 283 |
ftcur = fthead; |
| 284 |
else if ((ftcur = ftcur->fow) == NULL) |
| 285 |
return(-1); |
| 286 |
if (ftcur->chflg) { |
| 287 |
/* First fchdir() back... */ |
| 288 |
if (fchdir(cwdfd) < 0) { |
| 289 |
syswarn(1, errno, |
| 290 |
"Can't fchdir to starting directory"); |
| 291 |
return(-1); |
| 292 |
} |
| 293 |
if (chdir(ftcur->fname) < 0) { |
| 294 |
syswarn(1, errno, "Can't chdir to %s", |
| 295 |
ftcur->fname); |
| 296 |
return(-1); |
| 297 |
} |
| 298 |
continue; |
| 299 |
} else |
| 300 |
farray[0] = ftcur->fname; |
| 301 |
} |
| 302 |
|
| 303 |
/* |
| 304 |
* watch it, fts wants the file arg stored in a array of char |
| 305 |
* ptrs, with the last one a null. we use a two element array |
| 306 |
* and set farray[0] to point at the buffer with the file name |
| 307 |
* in it. We cannot pass all the file args to fts at one shot |
| 308 |
* as we need to keep a handle on which file arg generates what |
| 309 |
* files (the -n and -d flags need this). If the open is |
| 310 |
* successful, return a 0. |
| 311 |
*/ |
| 312 |
if ((ftsp = fts_open(farray, ftsopts, NULL)) != NULL) |
| 313 |
break; |
| 314 |
} |
| 315 |
return(0); |
| 316 |
} |
| 317 |
|
| 318 |
/* |
| 319 |
* next_file() |
| 320 |
* supplies the next file to process in the supplied archd structure. |
| 321 |
* Return: |
| 322 |
* 0 when contents of arcn have been set with the next file, -1 when done. |
| 323 |
*/ |
| 324 |
|
| 325 |
int |
| 326 |
next_file(ARCHD *arcn) |
| 327 |
{ |
| 328 |
int cnt; |
| 329 |
time_t atime; |
| 330 |
time_t mtime; |
| 331 |
|
| 332 |
/* |
| 333 |
* ftree_sel() might have set the ftree_skip flag if the user has the |
| 334 |
* -n option and a file was selected from this file arg tree. (-n says |
| 335 |
* only one member is matched for each pattern) ftree_skip being 1 |
| 336 |
* forces us to go to the next arg now. |
| 337 |
*/ |
| 338 |
if (ftree_skip) { |
| 339 |
/* |
| 340 |
* clear and go to next arg |
| 341 |
*/ |
| 342 |
ftree_skip = 0; |
| 343 |
if (ftree_arg() < 0) |
| 344 |
return(-1); |
| 345 |
} |
| 346 |
|
| 347 |
/* |
| 348 |
* loop until we get a valid file to process |
| 349 |
*/ |
| 350 |
for (;;) { |
| 351 |
if ((ftent = fts_read(ftsp)) == NULL) { |
| 352 |
/* |
| 353 |
* out of files in this tree, go to next arg, if none |
| 354 |
* we are done |
| 355 |
*/ |
| 356 |
if (ftree_arg() < 0) |
| 357 |
return(-1); |
| 358 |
continue; |
| 359 |
} |
| 360 |
|
| 361 |
/* |
| 362 |
* handle each type of fts_read() flag |
| 363 |
*/ |
| 364 |
switch (ftent->fts_info) { |
| 365 |
case FTS_D: |
| 366 |
case FTS_DEFAULT: |
| 367 |
case FTS_F: |
| 368 |
case FTS_SL: |
| 369 |
case FTS_SLNONE: |
| 370 |
/* |
| 371 |
* these are all ok |
| 372 |
*/ |
| 373 |
break; |
| 374 |
case FTS_DP: |
| 375 |
/* |
| 376 |
* already saw this directory. If the user wants file |
| 377 |
* access times reset, we use this to restore the |
| 378 |
* access time for this directory since this is the |
| 379 |
* last time we will see it in this file subtree |
| 380 |
* remember to force the time (this is -t on a read |
| 381 |
* directory, not a created directory). |
| 382 |
*/ |
| 383 |
if (!tflag || (get_atdir(ftent->fts_statp->st_dev, |
| 384 |
ftent->fts_statp->st_ino, &mtime, &atime) < 0)) |
| 385 |
continue; |
| 386 |
set_ftime(ftent->fts_path, mtime, atime, 1); |
| 387 |
continue; |
| 388 |
case FTS_DC: |
| 389 |
/* |
| 390 |
* fts claims a file system cycle |
| 391 |
*/ |
| 392 |
paxwarn(1,"File system cycle found at %s",ftent->fts_path); |
| 393 |
continue; |
| 394 |
case FTS_DNR: |
| 395 |
syswarn(1, ftent->fts_errno, |
| 396 |
"Unable to read directory %s", ftent->fts_path); |
| 397 |
continue; |
| 398 |
case FTS_ERR: |
| 399 |
syswarn(1, ftent->fts_errno, |
| 400 |
"File system traversal error"); |
| 401 |
continue; |
| 402 |
case FTS_NS: |
| 403 |
case FTS_NSOK: |
| 404 |
syswarn(1, ftent->fts_errno, |
| 405 |
"Unable to access %s", ftent->fts_path); |
| 406 |
continue; |
| 407 |
} |
| 408 |
|
| 409 |
/* |
| 410 |
* ok got a file tree node to process. copy info into arcn |
| 411 |
* structure (initialize as required) |
| 412 |
*/ |
| 413 |
arcn->skip = 0; |
| 414 |
arcn->pad = 0; |
| 415 |
arcn->ln_nlen = 0; |
| 416 |
arcn->ln_name[0] = '\0'; |
| 417 |
memcpy(&arcn->sb, ftent->fts_statp, sizeof(arcn->sb)); |
| 418 |
|
| 419 |
/* |
| 420 |
* file type based set up and copy into the arcn struct |
| 421 |
* SIDE NOTE: |
| 422 |
* we try to reset the access time on all files and directories |
| 423 |
* we may read when the -t flag is specified. files are reset |
| 424 |
* when we close them after copying. we reset the directories |
| 425 |
* when we are done with their file tree (we also clean up at |
| 426 |
* end in case we cut short a file tree traversal). However |
| 427 |
* there is no way to reset access times on symlinks. |
| 428 |
*/ |
| 429 |
switch (S_IFMT & arcn->sb.st_mode) { |
| 430 |
case S_IFDIR: |
| 431 |
arcn->type = PAX_DIR; |
| 432 |
if (!tflag) |
| 433 |
break; |
| 434 |
add_atdir(ftent->fts_path, arcn->sb.st_dev, |
| 435 |
arcn->sb.st_ino, arcn->sb.st_mtime, |
| 436 |
arcn->sb.st_atime); |
| 437 |
break; |
| 438 |
case S_IFCHR: |
| 439 |
arcn->type = PAX_CHR; |
| 440 |
break; |
| 441 |
case S_IFBLK: |
| 442 |
arcn->type = PAX_BLK; |
| 443 |
break; |
| 444 |
case S_IFREG: |
| 445 |
/* |
| 446 |
* only regular files with have data to store on the |
| 447 |
* archive. all others will store a zero length skip. |
| 448 |
* the skip field is used by pax for actual data it has |
| 449 |
* to read (or skip over). |
| 450 |
*/ |
| 451 |
arcn->type = PAX_REG; |
| 452 |
arcn->skip = arcn->sb.st_size; |
| 453 |
break; |
| 454 |
case S_IFLNK: |
| 455 |
arcn->type = PAX_SLK; |
| 456 |
/* |
| 457 |
* have to read the symlink path from the file |
| 458 |
*/ |
| 459 |
if ((cnt = readlink(ftent->fts_path, arcn->ln_name, |
| 460 |
PAXPATHLEN)) < 0) { |
| 461 |
syswarn(1, errno, "Unable to read symlink %s", |
| 462 |
ftent->fts_path); |
| 463 |
continue; |
| 464 |
} |
| 465 |
/* |
| 466 |
* set link name length, watch out readlink does not |
| 467 |
* always NUL terminate the link path |
| 468 |
*/ |
| 469 |
arcn->ln_name[cnt] = '\0'; |
| 470 |
arcn->ln_nlen = cnt; |
| 471 |
break; |
| 472 |
case S_IFSOCK: |
| 473 |
/* |
| 474 |
* under BSD storing a socket is senseless but we will |
| 475 |
* let the format specific write function make the |
| 476 |
* decision of what to do with it. |
| 477 |
*/ |
| 478 |
arcn->type = PAX_SCK; |
| 479 |
break; |
| 480 |
case S_IFIFO: |
| 481 |
arcn->type = PAX_FIF; |
| 482 |
break; |
| 483 |
} |
| 484 |
break; |
| 485 |
} |
| 486 |
|
| 487 |
/* |
| 488 |
* copy file name, set file name length |
| 489 |
*/ |
| 490 |
arcn->nlen = strlcpy(arcn->name, ftent->fts_path, sizeof(arcn->name)); |
| 491 |
if ((size_t)arcn->nlen >= sizeof(arcn->name)) |
| 492 |
arcn->nlen = sizeof(arcn->name) - 1; /* XXX truncate? */ |
| 493 |
arcn->org_name = ftent->fts_path; |
| 494 |
return(0); |
| 495 |
} |
| 496 |
|
| 497 |
/* |
| 498 |
* getpathname() |
| 499 |
* Reads a pathname from stdin, handling NUL- or newline-termination. |
| 500 |
* Return: |
| 501 |
* NULL at end of file, otherwise the NUL-terminated buffer. |
| 502 |
*/ |
| 503 |
|
| 504 |
static char * |
| 505 |
getpathname(char *buf, int buflen) |
| 506 |
{ |
| 507 |
char *bp, *ep; |
| 508 |
int ch, term; |
| 509 |
|
| 510 |
if (zeroflag) { |
| 511 |
/* |
| 512 |
* Read a NUL-terminated pathname, being especially |
| 513 |
* paranoid about proper termination and pathname length. |
| 514 |
*/ |
| 515 |
for (bp = buf, ep = buf + buflen; bp < ep; bp++) { |
| 516 |
if ((ch = getchar()) == EOF) { |
| 517 |
if (bp != buf) |
| 518 |
paxwarn(1, "Ignoring unterminated " |
| 519 |
"pathname at EOF"); |
| 520 |
return(NULL); |
| 521 |
} |
| 522 |
if ((*bp = ch) == '\0') |
| 523 |
return(buf); |
| 524 |
} |
| 525 |
/* Too long - skip this path */ |
| 526 |
*--bp = '\0'; |
| 527 |
term = '\0'; |
| 528 |
} else { |
| 529 |
if (fgets(buf, buflen, stdin) == NULL) |
| 530 |
return(NULL); |
| 531 |
if ((bp = strchr(buf, '\n')) != NULL || feof(stdin)) { |
| 532 |
if (bp != NULL) |
| 533 |
*bp = '\0'; |
| 534 |
return(buf); |
| 535 |
} |
| 536 |
/* Too long - skip this path */ |
| 537 |
term = '\n'; |
| 538 |
} |
| 539 |
while ((ch = getchar()) != term && ch != EOF) |
| 540 |
; |
| 541 |
paxwarn(1, "Ignoring too-long pathname: %s", buf); |
| 542 |
return(NULL); |
| 543 |
} |
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