1 /* 2 * Copyright (c) 1989, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Michael Fischbein. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. 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 #ifndef lint 38 static const char copyright[] = 39 "@(#) Copyright (c) 1989, 1993, 1994\n\ 40 The Regents of the University of California. All rights reserved.\n"; 41 #endif /* not lint */ 42 43 #if 0 44 #ifndef lint 45 static char sccsid[] = "@(#)ls.c 8.5 (Berkeley) 4/2/94"; 46 #endif /* not lint */ 47 #endif 48 #include <sys/cdefs.h> 49 __FBSDID("$FreeBSD$"); 50 51 #include <sys/types.h> 52 #include <sys/stat.h> 53 #include <sys/ioctl.h> 54 #include <sys/mac.h> 55 56 #include <dirent.h> 57 #include <err.h> 58 #include <errno.h> 59 #include <fts.h> 60 #include <grp.h> 61 #include <inttypes.h> 62 #include <limits.h> 63 #include <locale.h> 64 #include <pwd.h> 65 #include <stdio.h> 66 #include <stdlib.h> 67 #include <string.h> 68 #include <unistd.h> 69 #ifdef COLORLS 70 #include <termcap.h> 71 #include <signal.h> 72 #endif 73 74 #include "ls.h" 75 #include "extern.h" 76 77 /* 78 * Upward approximation of the maximum number of characters needed to 79 * represent a value of integral type t as a string, excluding the 80 * NUL terminator, with provision for a sign. 81 */ 82 #define STRBUF_SIZEOF(t) (1 + CHAR_BIT * sizeof(t) / 3 + 1) 83 84 /* 85 * MAKENINES(n) turns n into (10**n)-1. This is useful for converting a width 86 * into a number that wide in decimal. 87 * XXX: Overflows are not considered. 88 */ 89 #define MAKENINES(n) \ 90 do { \ 91 intmax_t i; \ 92 \ 93 /* Use a loop as all values of n are small. */ \ 94 for (i = 1; n > 0; i *= 10) \ 95 n--; \ 96 n = i - 1; \ 97 } while(0) 98 99 static void display(const FTSENT *, FTSENT *, int); 100 static int mastercmp(const FTSENT * const *, const FTSENT * const *); 101 static void traverse(int, char **, int); 102 103 static void (*printfcn)(const DISPLAY *); 104 static int (*sortfcn)(const FTSENT *, const FTSENT *); 105 106 long blocksize; /* block size units */ 107 int termwidth = 80; /* default terminal width */ 108 109 /* flags */ 110 int f_accesstime; /* use time of last access */ 111 int f_flags; /* show flags associated with a file */ 112 int f_humanval; /* show human-readable file sizes */ 113 int f_inode; /* print inode */ 114 static int f_kblocks; /* print size in kilobytes */ 115 static int f_listdir; /* list actual directory, not contents */ 116 static int f_listdot; /* list files beginning with . */ 117 int f_longform; /* long listing format */ 118 int f_nonprint; /* show unprintables as ? */ 119 static int f_nosort; /* don't sort output */ 120 int f_notabs; /* don't use tab-separated multi-col output */ 121 static int f_numericonly; /* don't convert uid/gid to name */ 122 int f_octal; /* show unprintables as \xxx */ 123 int f_octal_escape; /* like f_octal but use C escapes if possible */ 124 static int f_recursive; /* ls subdirectories also */ 125 static int f_reversesort; /* reverse whatever sort is used */ 126 int f_sectime; /* print the real time for all files */ 127 static int f_singlecol; /* use single column output */ 128 int f_size; /* list size in short listing */ 129 int f_slash; /* similar to f_type, but only for dirs */ 130 int f_sortacross; /* sort across rows, not down columns */ 131 int f_statustime; /* use time of last mode change */ 132 static int f_stream; /* stream the output, separate with commas */ 133 static int f_timesort; /* sort by time vice name */ 134 int f_type; /* add type character for non-regular files */ 135 static int f_whiteout; /* show whiteout entries */ 136 int f_label; /* show MAC label */ 137 #ifdef COLORLS 138 int f_color; /* add type in color for non-regular files */ 139 140 char *ansi_bgcol; /* ANSI sequence to set background colour */ 141 char *ansi_fgcol; /* ANSI sequence to set foreground colour */ 142 char *ansi_coloff; /* ANSI sequence to reset colours */ 143 char *attrs_off; /* ANSI sequence to turn off attributes */ 144 char *enter_bold; /* ANSI sequence to set color to bold mode */ 145 #endif 146 147 static int rval; 148 149 int 150 main(int argc, char *argv[]) 151 { 152 static char dot[] = ".", *dotav[] = {dot, NULL}; 153 struct winsize win; 154 int ch, fts_options, notused; 155 char *p; 156 #ifdef COLORLS 157 char termcapbuf[1024]; /* termcap definition buffer */ 158 char tcapbuf[512]; /* capability buffer */ 159 char *bp = tcapbuf; 160 #endif 161 162 (void)setlocale(LC_ALL, ""); 163 164 /* Terminal defaults to -Cq, non-terminal defaults to -1. */ 165 if (isatty(STDOUT_FILENO)) { 166 termwidth = 80; 167 if ((p = getenv("COLUMNS")) != NULL && *p != '\0') 168 termwidth = atoi(p); 169 else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 && 170 win.ws_col > 0) 171 termwidth = win.ws_col; 172 f_nonprint = 1; 173 } else { 174 f_singlecol = 1; 175 /* retrieve environment variable, in case of explicit -C */ 176 p = getenv("COLUMNS"); 177 if (p) 178 termwidth = atoi(p); 179 } 180 181 /* Root is -A automatically. */ 182 if (!getuid()) 183 f_listdot = 1; 184 185 fts_options = FTS_PHYSICAL; 186 while ((ch = getopt(argc, argv, "1ABCFGHLPRTWZabcdfghiklmnopqrstuwx")) 187 != -1) { 188 switch (ch) { 189 /* 190 * The -1, -C, -x and -l options all override each other so 191 * shell aliasing works right. 192 */ 193 case '1': 194 f_singlecol = 1; 195 f_longform = 0; 196 f_stream = 0; 197 break; 198 case 'B': 199 f_nonprint = 0; 200 f_octal = 1; 201 f_octal_escape = 0; 202 break; 203 case 'C': 204 f_sortacross = f_longform = f_singlecol = 0; 205 break; 206 case 'l': 207 f_longform = 1; 208 f_singlecol = 0; 209 f_stream = 0; 210 break; 211 case 'x': 212 f_sortacross = 1; 213 f_longform = 0; 214 f_singlecol = 0; 215 break; 216 /* The -c and -u options override each other. */ 217 case 'c': 218 f_statustime = 1; 219 f_accesstime = 0; 220 break; 221 case 'u': 222 f_accesstime = 1; 223 f_statustime = 0; 224 break; 225 case 'F': 226 f_type = 1; 227 f_slash = 0; 228 break; 229 case 'H': 230 fts_options |= FTS_COMFOLLOW; 231 break; 232 case 'G': 233 setenv("CLICOLOR", "", 1); 234 break; 235 case 'L': 236 fts_options &= ~FTS_PHYSICAL; 237 fts_options |= FTS_LOGICAL; 238 break; 239 case 'P': 240 fts_options &= ~FTS_COMFOLLOW; 241 fts_options &= ~FTS_LOGICAL; 242 fts_options |= FTS_PHYSICAL; 243 break; 244 case 'R': 245 f_recursive = 1; 246 break; 247 case 'a': 248 fts_options |= FTS_SEEDOT; 249 /* FALLTHROUGH */ 250 case 'A': 251 f_listdot = 1; 252 break; 253 /* The -d option turns off the -R option. */ 254 case 'd': 255 f_listdir = 1; 256 f_recursive = 0; 257 break; 258 case 'f': 259 f_nosort = 1; 260 break; 261 case 'g': /* Compatibility with 4.3BSD. */ 262 break; 263 case 'h': 264 f_humanval = 1; 265 break; 266 case 'i': 267 f_inode = 1; 268 break; 269 case 'k': 270 f_humanval = 0; 271 f_kblocks = 1; 272 break; 273 case 'm': 274 f_stream = 1; 275 f_singlecol = 0; 276 f_longform = 0; 277 break; 278 case 'n': 279 f_numericonly = 1; 280 break; 281 case 'o': 282 f_flags = 1; 283 break; 284 case 'p': 285 f_slash = 1; 286 f_type = 1; 287 break; 288 case 'q': 289 f_nonprint = 1; 290 f_octal = 0; 291 f_octal_escape = 0; 292 break; 293 case 'r': 294 f_reversesort = 1; 295 break; 296 case 's': 297 f_size = 1; 298 break; 299 case 'T': 300 f_sectime = 1; 301 break; 302 case 't': 303 f_timesort = 1; 304 break; 305 case 'W': 306 f_whiteout = 1; 307 break; 308 case 'b': 309 f_nonprint = 0; 310 f_octal = 0; 311 f_octal_escape = 1; 312 break; 313 case 'w': 314 f_nonprint = 0; 315 f_octal = 0; 316 f_octal_escape = 0; 317 break; 318 case 'Z': 319 f_label = 1; 320 break; 321 default: 322 case '?': 323 usage(); 324 } 325 } 326 argc -= optind; 327 argv += optind; 328 329 /* Enabling of colours is conditional on the environment. */ 330 if (getenv("CLICOLOR") && 331 (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE"))) 332 #ifdef COLORLS 333 if (tgetent(termcapbuf, getenv("TERM")) == 1) { 334 ansi_fgcol = tgetstr("AF", &bp); 335 ansi_bgcol = tgetstr("AB", &bp); 336 attrs_off = tgetstr("me", &bp); 337 enter_bold = tgetstr("md", &bp); 338 339 /* To switch colours off use 'op' if 340 * available, otherwise use 'oc', or 341 * don't do colours at all. */ 342 ansi_coloff = tgetstr("op", &bp); 343 if (!ansi_coloff) 344 ansi_coloff = tgetstr("oc", &bp); 345 if (ansi_fgcol && ansi_bgcol && ansi_coloff) 346 f_color = 1; 347 } 348 #else 349 warnx("color support not compiled in"); 350 #endif /*COLORLS*/ 351 352 #ifdef COLORLS 353 if (f_color) { 354 /* 355 * We can't put tabs and color sequences together: 356 * column number will be incremented incorrectly 357 * for "stty oxtabs" mode. 358 */ 359 f_notabs = 1; 360 (void)signal(SIGINT, colorquit); 361 (void)signal(SIGQUIT, colorquit); 362 parsecolors(getenv("LSCOLORS")); 363 } 364 #endif 365 366 /* 367 * If not -F, -i, -l, -s or -t options, don't require stat 368 * information, unless in color mode in which case we do 369 * need this to determine which colors to display. 370 */ 371 if (!f_inode && !f_longform && !f_size && !f_timesort && !f_type 372 #ifdef COLORLS 373 && !f_color 374 #endif 375 ) 376 fts_options |= FTS_NOSTAT; 377 378 /* 379 * If not -F, -d or -l options, follow any symbolic links listed on 380 * the command line. 381 */ 382 if (!f_longform && !f_listdir && !f_type) 383 fts_options |= FTS_COMFOLLOW; 384 385 /* 386 * If -W, show whiteout entries 387 */ 388 #ifdef FTS_WHITEOUT 389 if (f_whiteout) 390 fts_options |= FTS_WHITEOUT; 391 #endif 392 393 /* If -l or -s, figure out block size. */ 394 if (f_longform || f_size) { 395 if (f_kblocks) 396 blocksize = 2; 397 else { 398 (void)getbsize(¬used, &blocksize); 399 blocksize /= 512; 400 } 401 } 402 /* Select a sort function. */ 403 if (f_reversesort) { 404 if (!f_timesort) 405 sortfcn = revnamecmp; 406 else if (f_accesstime) 407 sortfcn = revacccmp; 408 else if (f_statustime) 409 sortfcn = revstatcmp; 410 else /* Use modification time. */ 411 sortfcn = revmodcmp; 412 } else { 413 if (!f_timesort) 414 sortfcn = namecmp; 415 else if (f_accesstime) 416 sortfcn = acccmp; 417 else if (f_statustime) 418 sortfcn = statcmp; 419 else /* Use modification time. */ 420 sortfcn = modcmp; 421 } 422 423 /* Select a print function. */ 424 if (f_singlecol) 425 printfcn = printscol; 426 else if (f_longform) 427 printfcn = printlong; 428 else if (f_stream) 429 printfcn = printstream; 430 else 431 printfcn = printcol; 432 433 if (argc) 434 traverse(argc, argv, fts_options); 435 else 436 traverse(1, dotav, fts_options); 437 exit(rval); 438 } 439 440 static int output; /* If anything output. */ 441 442 /* 443 * Traverse() walks the logical directory structure specified by the argv list 444 * in the order specified by the mastercmp() comparison function. During the 445 * traversal it passes linked lists of structures to display() which represent 446 * a superset (may be exact set) of the files to be displayed. 447 */ 448 static void 449 traverse(int argc, char *argv[], int options) 450 { 451 FTS *ftsp; 452 FTSENT *p, *chp; 453 int ch_options; 454 455 if ((ftsp = 456 fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL) 457 err(1, "fts_open"); 458 459 display(NULL, fts_children(ftsp, 0), options); 460 if (f_listdir) 461 return; 462 463 /* 464 * If not recursing down this tree and don't need stat info, just get 465 * the names. 466 */ 467 ch_options = !f_recursive && !f_label && 468 options & FTS_NOSTAT ? FTS_NAMEONLY : 0; 469 470 while ((p = fts_read(ftsp)) != NULL) 471 switch (p->fts_info) { 472 case FTS_DC: 473 warnx("%s: directory causes a cycle", p->fts_name); 474 break; 475 case FTS_DNR: 476 case FTS_ERR: 477 warnx("%s: %s", p->fts_name, strerror(p->fts_errno)); 478 rval = 1; 479 break; 480 case FTS_D: 481 if (p->fts_level != FTS_ROOTLEVEL && 482 p->fts_name[0] == '.' && !f_listdot) 483 break; 484 485 /* 486 * If already output something, put out a newline as 487 * a separator. If multiple arguments, precede each 488 * directory with its name. 489 */ 490 if (output) { 491 putchar('\n'); 492 (void)printname(p->fts_path); 493 puts(":"); 494 } else if (argc > 1) { 495 (void)printname(p->fts_path); 496 puts(":"); 497 output = 1; 498 } 499 chp = fts_children(ftsp, ch_options); 500 display(p, chp, options); 501 502 if (!f_recursive && chp != NULL) 503 (void)fts_set(ftsp, p, FTS_SKIP); 504 break; 505 default: 506 break; 507 } 508 if (errno) 509 err(1, "fts_read"); 510 } 511 512 /* 513 * Display() takes a linked list of FTSENT structures and passes the list 514 * along with any other necessary information to the print function. P 515 * points to the parent directory of the display list. 516 */ 517 static void 518 display(const FTSENT *p, FTSENT *list, int options) 519 { 520 struct stat *sp; 521 DISPLAY d; 522 FTSENT *cur; 523 NAMES *np; 524 off_t maxsize; 525 long maxblock; 526 u_long btotal, labelstrlen, maxinode, maxlen, maxnlink; 527 u_long maxlabelstr; 528 int bcfile, maxflags; 529 gid_t maxgroup; 530 uid_t maxuser; 531 size_t flen, ulen, glen; 532 char *initmax; 533 int entries, needstats; 534 const char *user, *group; 535 char *flags, *labelstr = NULL; 536 char buf[STRBUF_SIZEOF(u_quad_t) + 1]; 537 char ngroup[STRBUF_SIZEOF(uid_t) + 1]; 538 char nuser[STRBUF_SIZEOF(gid_t) + 1]; 539 540 /* 541 * If list is NULL there are two possibilities: that the parent 542 * directory p has no children, or that fts_children() returned an 543 * error. We ignore the error case since it will be replicated 544 * on the next call to fts_read() on the post-order visit to the 545 * directory p, and will be signaled in traverse(). 546 */ 547 if (list == NULL) 548 return; 549 550 needstats = f_inode || f_longform || f_size; 551 flen = 0; 552 btotal = 0; 553 initmax = getenv("LS_COLWIDTHS"); 554 /* Fields match -lios order. New ones should be added at the end. */ 555 maxlabelstr = maxblock = maxinode = maxlen = maxnlink = 556 maxuser = maxgroup = maxflags = maxsize = 0; 557 if (initmax != NULL && *initmax != '\0') { 558 char *initmax2, *jinitmax; 559 int ninitmax; 560 561 /* Fill-in "::" as "0:0:0" for the sake of scanf. */ 562 jinitmax = malloc(strlen(initmax) * 2 + 2); 563 if (jinitmax == NULL) 564 err(1, "malloc"); 565 initmax2 = jinitmax; 566 if (*initmax == ':') 567 strcpy(initmax2, "0:"), initmax2 += 2; 568 else 569 *initmax2++ = *initmax, *initmax2 = '\0'; 570 for (initmax++; *initmax != '\0'; initmax++) { 571 if (initmax[-1] == ':' && initmax[0] == ':') { 572 *initmax2++ = '0'; 573 *initmax2++ = initmax[0]; 574 initmax2[1] = '\0'; 575 } else { 576 *initmax2++ = initmax[0]; 577 initmax2[1] = '\0'; 578 } 579 } 580 if (initmax2[-1] == ':') 581 strcpy(initmax2, "0"); 582 583 ninitmax = sscanf(jinitmax, 584 " %lu : %ld : %lu : %u : %u : %i : %jd : %lu : %lu ", 585 &maxinode, &maxblock, &maxnlink, &maxuser, 586 &maxgroup, &maxflags, &maxsize, &maxlen, &maxlabelstr); 587 f_notabs = 1; 588 switch (ninitmax) { 589 case 0: 590 maxinode = 0; 591 /* FALLTHROUGH */ 592 case 1: 593 maxblock = 0; 594 /* FALLTHROUGH */ 595 case 2: 596 maxnlink = 0; 597 /* FALLTHROUGH */ 598 case 3: 599 maxuser = 0; 600 /* FALLTHROUGH */ 601 case 4: 602 maxgroup = 0; 603 /* FALLTHROUGH */ 604 case 5: 605 maxflags = 0; 606 /* FALLTHROUGH */ 607 case 6: 608 maxsize = 0; 609 /* FALLTHROUGH */ 610 case 7: 611 maxlen = 0; 612 /* FALLTHROUGH */ 613 case 8: 614 maxlabelstr = 0; 615 /* FALLTHROUGH */ 616 #ifdef COLORLS 617 if (!f_color) 618 #endif 619 f_notabs = 0; 620 /* FALLTHROUGH */ 621 default: 622 break; 623 } 624 MAKENINES(maxinode); 625 MAKENINES(maxblock); 626 MAKENINES(maxnlink); 627 MAKENINES(maxsize); 628 } 629 bcfile = 0; 630 flags = NULL; 631 for (cur = list, entries = 0; cur; cur = cur->fts_link) { 632 if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) { 633 warnx("%s: %s", 634 cur->fts_name, strerror(cur->fts_errno)); 635 cur->fts_number = NO_PRINT; 636 rval = 1; 637 continue; 638 } 639 /* 640 * P is NULL if list is the argv list, to which different rules 641 * apply. 642 */ 643 if (p == NULL) { 644 /* Directories will be displayed later. */ 645 if (cur->fts_info == FTS_D && !f_listdir) { 646 cur->fts_number = NO_PRINT; 647 continue; 648 } 649 } else { 650 /* Only display dot file if -a/-A set. */ 651 if (cur->fts_name[0] == '.' && !f_listdot) { 652 cur->fts_number = NO_PRINT; 653 continue; 654 } 655 } 656 if (cur->fts_namelen > maxlen) 657 maxlen = cur->fts_namelen; 658 if (f_octal || f_octal_escape) { 659 u_long t = len_octal(cur->fts_name, cur->fts_namelen); 660 661 if (t > maxlen) 662 maxlen = t; 663 } 664 if (needstats) { 665 sp = cur->fts_statp; 666 if (sp->st_blocks > maxblock) 667 maxblock = sp->st_blocks; 668 if (sp->st_ino > maxinode) 669 maxinode = sp->st_ino; 670 if (sp->st_nlink > maxnlink) 671 maxnlink = sp->st_nlink; 672 if (sp->st_size > maxsize) 673 maxsize = sp->st_size; 674 675 btotal += sp->st_blocks; 676 if (f_longform) { 677 if (f_numericonly) { 678 (void)snprintf(nuser, sizeof(nuser), 679 "%u", sp->st_uid); 680 (void)snprintf(ngroup, sizeof(ngroup), 681 "%u", sp->st_gid); 682 user = nuser; 683 group = ngroup; 684 } else { 685 user = user_from_uid(sp->st_uid, 0); 686 group = group_from_gid(sp->st_gid, 0); 687 } 688 if ((ulen = strlen(user)) > maxuser) 689 maxuser = ulen; 690 if ((glen = strlen(group)) > maxgroup) 691 maxgroup = glen; 692 if (f_flags) { 693 flags = fflagstostr(sp->st_flags); 694 if (flags != NULL && *flags == '\0') { 695 free(flags); 696 flags = strdup("-"); 697 } 698 if (flags == NULL) 699 err(1, "fflagstostr"); 700 flen = strlen(flags); 701 if (flen > (size_t)maxflags) 702 maxflags = flen; 703 } else 704 flen = 0; 705 labelstr = NULL; 706 if (f_label) { 707 char name[PATH_MAX + 1]; 708 mac_t label; 709 int error; 710 711 error = mac_prepare_file_label(&label); 712 if (error == -1) { 713 warn("MAC label for %s/%s", 714 cur->fts_parent->fts_path, 715 cur->fts_name); 716 goto label_out; 717 } 718 719 if (cur->fts_level == FTS_ROOTLEVEL) 720 snprintf(name, sizeof(name), 721 "%s", cur->fts_name); 722 else 723 snprintf(name, sizeof(name), 724 "%s/%s", cur->fts_parent-> 725 fts_accpath, cur->fts_name); 726 727 if (options & FTS_LOGICAL) 728 error = mac_get_file(name, 729 label); 730 else 731 error = mac_get_link(name, 732 label); 733 if (error == -1) { 734 warn("MAC label for %s/%s", 735 cur->fts_parent->fts_path, 736 cur->fts_name); 737 mac_free(label); 738 goto label_out; 739 } 740 741 error = mac_to_text(label, 742 &labelstr); 743 if (error == -1) { 744 warn("MAC label for %s/%s", 745 cur->fts_parent->fts_path, 746 cur->fts_name); 747 mac_free(label); 748 goto label_out; 749 } 750 mac_free(label); 751 label_out: 752 if (labelstr == NULL) 753 labelstr = strdup("-"); 754 labelstrlen = strlen(labelstr); 755 if (labelstrlen > maxlabelstr) 756 maxlabelstr = labelstrlen; 757 } else 758 labelstrlen = 0; 759 760 if ((np = malloc(sizeof(NAMES) + labelstrlen + 761 ulen + glen + flen + 4)) == NULL) 762 err(1, "malloc"); 763 764 np->user = &np->data[0]; 765 (void)strcpy(np->user, user); 766 np->group = &np->data[ulen + 1]; 767 (void)strcpy(np->group, group); 768 769 if (S_ISCHR(sp->st_mode) || 770 S_ISBLK(sp->st_mode)) 771 bcfile = 1; 772 773 if (f_flags) { 774 np->flags = &np->data[ulen + glen + 2]; 775 (void)strcpy(np->flags, flags); 776 free(flags); 777 } 778 if (f_label) { 779 np->label = &np->data[ulen + glen + 2 780 + (f_flags ? flen + 1 : 0)]; 781 (void)strcpy(np->label, labelstr); 782 free(labelstr); 783 } 784 cur->fts_pointer = np; 785 } 786 } 787 ++entries; 788 } 789 790 if (!entries) 791 return; 792 793 d.list = list; 794 d.entries = entries; 795 d.maxlen = maxlen; 796 if (needstats) { 797 d.bcfile = bcfile; 798 d.btotal = btotal; 799 (void)snprintf(buf, sizeof(buf), "%lu", maxblock); 800 d.s_block = strlen(buf); 801 d.s_flags = maxflags; 802 d.s_label = maxlabelstr; 803 d.s_group = maxgroup; 804 (void)snprintf(buf, sizeof(buf), "%lu", maxinode); 805 d.s_inode = strlen(buf); 806 (void)snprintf(buf, sizeof(buf), "%lu", maxnlink); 807 d.s_nlink = strlen(buf); 808 (void)snprintf(buf, sizeof(buf), "%ju", maxsize); 809 d.s_size = strlen(buf); 810 d.s_user = maxuser; 811 } 812 printfcn(&d); 813 output = 1; 814 815 if (f_longform) 816 for (cur = list; cur; cur = cur->fts_link) 817 free(cur->fts_pointer); 818 } 819 820 /* 821 * Ordering for mastercmp: 822 * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories 823 * as larger than directories. Within either group, use the sort function. 824 * All other levels use the sort function. Error entries remain unsorted. 825 */ 826 static int 827 mastercmp(const FTSENT * const *a, const FTSENT * const *b) 828 { 829 int a_info, b_info; 830 831 a_info = (*a)->fts_info; 832 if (a_info == FTS_ERR) 833 return (0); 834 b_info = (*b)->fts_info; 835 if (b_info == FTS_ERR) 836 return (0); 837 838 if (a_info == FTS_NS || b_info == FTS_NS) 839 return (namecmp(*a, *b)); 840 841 if (a_info != b_info && 842 (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) { 843 if (a_info == FTS_D) 844 return (1); 845 if (b_info == FTS_D) 846 return (-1); 847 } 848 return (sortfcn(*a, *b)); 849 } 850