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 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #ifndef lint 34 static const char copyright[] = 35 "@(#) Copyright (c) 1989, 1993, 1994\n\ 36 The Regents of the University of California. All rights reserved.\n"; 37 #endif /* not lint */ 38 39 #if 0 40 #ifndef lint 41 static char sccsid[] = "@(#)ls.c 8.5 (Berkeley) 4/2/94"; 42 #endif /* not lint */ 43 #endif 44 #include <sys/cdefs.h> 45 __FBSDID("$FreeBSD$"); 46 47 #include <sys/types.h> 48 #include <sys/stat.h> 49 #include <sys/ioctl.h> 50 #include <sys/mac.h> 51 52 #include <dirent.h> 53 #include <err.h> 54 #include <errno.h> 55 #include <fts.h> 56 #include <grp.h> 57 #include <inttypes.h> 58 #include <limits.h> 59 #include <locale.h> 60 #include <pwd.h> 61 #include <stdio.h> 62 #include <stdlib.h> 63 #include <string.h> 64 #include <unistd.h> 65 #ifdef COLORLS 66 #include <termcap.h> 67 #include <signal.h> 68 #endif 69 70 #include "ls.h" 71 #include "extern.h" 72 73 /* 74 * Upward approximation of the maximum number of characters needed to 75 * represent a value of integral type t as a string, excluding the 76 * NUL terminator, with provision for a sign. 77 */ 78 #define STRBUF_SIZEOF(t) (1 + CHAR_BIT * sizeof(t) / 3 + 1) 79 80 /* 81 * MAKENINES(n) turns n into (10**n)-1. This is useful for converting a width 82 * into a number that wide in decimal. 83 * XXX: Overflows are not considered. 84 */ 85 #define MAKENINES(n) \ 86 do { \ 87 intmax_t i; \ 88 \ 89 /* Use a loop as all values of n are small. */ \ 90 for (i = 1; n > 0; i *= 10) \ 91 n--; \ 92 n = i - 1; \ 93 } while(0) 94 95 static void display(const FTSENT *, FTSENT *, int); 96 static int mastercmp(const FTSENT * const *, const FTSENT * const *); 97 static void traverse(int, char **, int); 98 99 static void (*printfcn)(const DISPLAY *); 100 static int (*sortfcn)(const FTSENT *, const FTSENT *); 101 102 long blocksize; /* block size units */ 103 int termwidth = 80; /* default terminal width */ 104 105 /* flags */ 106 int f_accesstime; /* use time of last access */ 107 int f_flags; /* show flags associated with a file */ 108 int f_humanval; /* show human-readable file sizes */ 109 int f_inode; /* print inode */ 110 static int f_kblocks; /* print size in kilobytes */ 111 static int f_listdir; /* list actual directory, not contents */ 112 static int f_listdot; /* list files beginning with . */ 113 int f_longform; /* long listing format */ 114 int f_nonprint; /* show unprintables as ? */ 115 static int f_nosort; /* don't sort output */ 116 int f_notabs; /* don't use tab-separated multi-col output */ 117 static int f_numericonly; /* don't convert uid/gid to name */ 118 int f_octal; /* show unprintables as \xxx */ 119 int f_octal_escape; /* like f_octal but use C escapes if possible */ 120 static int f_recursive; /* ls subdirectories also */ 121 static int f_reversesort; /* reverse whatever sort is used */ 122 int f_sectime; /* print the real time for all files */ 123 static int f_singlecol; /* use single column output */ 124 int f_size; /* list size in short listing */ 125 int f_slash; /* similar to f_type, but only for dirs */ 126 int f_sortacross; /* sort across rows, not down columns */ 127 int f_statustime; /* use time of last mode change */ 128 static int f_stream; /* stream the output, separate with commas */ 129 static int f_timesort; /* sort by time vice name */ 130 static int f_sizesort; 131 int f_type; /* add type character for non-regular files */ 132 static int f_whiteout; /* show whiteout entries */ 133 int f_label; /* show MAC label */ 134 #ifdef COLORLS 135 int f_color; /* add type in color for non-regular files */ 136 137 char *ansi_bgcol; /* ANSI sequence to set background colour */ 138 char *ansi_fgcol; /* ANSI sequence to set foreground colour */ 139 char *ansi_coloff; /* ANSI sequence to reset colours */ 140 char *attrs_off; /* ANSI sequence to turn off attributes */ 141 char *enter_bold; /* ANSI sequence to set color to bold mode */ 142 #endif 143 144 static int rval; 145 146 int 147 main(int argc, char *argv[]) 148 { 149 static char dot[] = ".", *dotav[] = {dot, NULL}; 150 struct winsize win; 151 int ch, fts_options, notused; 152 char *p; 153 #ifdef COLORLS 154 char termcapbuf[1024]; /* termcap definition buffer */ 155 char tcapbuf[512]; /* capability buffer */ 156 char *bp = tcapbuf; 157 #endif 158 159 (void)setlocale(LC_ALL, ""); 160 161 /* Terminal defaults to -Cq, non-terminal defaults to -1. */ 162 if (isatty(STDOUT_FILENO)) { 163 termwidth = 80; 164 if ((p = getenv("COLUMNS")) != NULL && *p != '\0') 165 termwidth = atoi(p); 166 else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 && 167 win.ws_col > 0) 168 termwidth = win.ws_col; 169 f_nonprint = 1; 170 } else { 171 f_singlecol = 1; 172 /* retrieve environment variable, in case of explicit -C */ 173 p = getenv("COLUMNS"); 174 if (p) 175 termwidth = atoi(p); 176 } 177 178 /* Root is -A automatically. */ 179 if (!getuid()) 180 f_listdot = 1; 181 182 fts_options = FTS_PHYSICAL; 183 while ((ch = getopt(argc, argv, 184 "1ABCFGHLPRSTWZabcdfghiklmnopqrstuwx")) != -1) { 185 switch (ch) { 186 /* 187 * The -1, -C, -x and -l options all override each other so 188 * shell aliasing works right. 189 */ 190 case '1': 191 f_singlecol = 1; 192 f_longform = 0; 193 f_stream = 0; 194 break; 195 case 'B': 196 f_nonprint = 0; 197 f_octal = 1; 198 f_octal_escape = 0; 199 break; 200 case 'C': 201 f_sortacross = f_longform = f_singlecol = 0; 202 break; 203 case 'l': 204 f_longform = 1; 205 f_singlecol = 0; 206 f_stream = 0; 207 break; 208 case 'x': 209 f_sortacross = 1; 210 f_longform = 0; 211 f_singlecol = 0; 212 break; 213 /* The -c and -u options override each other. */ 214 case 'c': 215 f_statustime = 1; 216 f_accesstime = 0; 217 break; 218 case 'u': 219 f_accesstime = 1; 220 f_statustime = 0; 221 break; 222 case 'F': 223 f_type = 1; 224 f_slash = 0; 225 break; 226 case 'H': 227 fts_options |= FTS_COMFOLLOW; 228 break; 229 case 'G': 230 setenv("CLICOLOR", "", 1); 231 break; 232 case 'L': 233 fts_options &= ~FTS_PHYSICAL; 234 fts_options |= FTS_LOGICAL; 235 break; 236 case 'P': 237 fts_options &= ~FTS_COMFOLLOW; 238 fts_options &= ~FTS_LOGICAL; 239 fts_options |= FTS_PHYSICAL; 240 break; 241 case 'R': 242 f_recursive = 1; 243 break; 244 case 'a': 245 fts_options |= FTS_SEEDOT; 246 /* FALLTHROUGH */ 247 case 'A': 248 f_listdot = 1; 249 break; 250 /* The -d option turns off the -R option. */ 251 case 'd': 252 f_listdir = 1; 253 f_recursive = 0; 254 break; 255 case 'f': 256 f_nosort = 1; 257 break; 258 case 'g': /* Compatibility with 4.3BSD. */ 259 break; 260 case 'h': 261 f_humanval = 1; 262 break; 263 case 'i': 264 f_inode = 1; 265 break; 266 case 'k': 267 f_humanval = 0; 268 f_kblocks = 1; 269 break; 270 case 'm': 271 f_stream = 1; 272 f_singlecol = 0; 273 f_longform = 0; 274 break; 275 case 'n': 276 f_numericonly = 1; 277 break; 278 case 'o': 279 f_flags = 1; 280 break; 281 case 'p': 282 f_slash = 1; 283 f_type = 1; 284 break; 285 case 'q': 286 f_nonprint = 1; 287 f_octal = 0; 288 f_octal_escape = 0; 289 break; 290 case 'r': 291 f_reversesort = 1; 292 break; 293 case 's': 294 f_size = 1; 295 break; 296 case 'T': 297 f_sectime = 1; 298 break; 299 case 't': 300 f_timesort = 1; 301 break; 302 case 'S': 303 f_sizesort = 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, -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 && 372 !f_sizesort && !f_type 373 #ifdef COLORLS 374 && !f_color 375 #endif 376 ) 377 fts_options |= FTS_NOSTAT; 378 379 /* 380 * If not -F, -d or -l options, follow any symbolic links listed on 381 * the command line. 382 */ 383 if (!f_longform && !f_listdir && !f_type) 384 fts_options |= FTS_COMFOLLOW; 385 386 /* 387 * If -W, show whiteout entries 388 */ 389 #ifdef FTS_WHITEOUT 390 if (f_whiteout) 391 fts_options |= FTS_WHITEOUT; 392 #endif 393 394 /* If -l or -s, figure out block size. */ 395 if (f_longform || f_size) { 396 if (f_kblocks) 397 blocksize = 2; 398 else { 399 (void)getbsize(¬used, &blocksize); 400 blocksize /= 512; 401 } 402 } 403 /* Select a sort function. */ 404 if (f_reversesort) { 405 if (!f_timesort && !f_sizesort) 406 sortfcn = revnamecmp; 407 else if (f_accesstime) 408 sortfcn = revacccmp; 409 else if (f_statustime) 410 sortfcn = revstatcmp; 411 else if (f_sizesort) 412 sortfcn = revsizecmp; 413 else /* Use modification time. */ 414 sortfcn = revmodcmp; 415 } else { 416 if (!f_timesort && !f_sizesort) 417 sortfcn = namecmp; 418 else if (f_accesstime) 419 sortfcn = acccmp; 420 else if (f_statustime) 421 sortfcn = statcmp; 422 else if (f_sizesort) 423 sortfcn = sizecmp; 424 else /* Use modification time. */ 425 sortfcn = modcmp; 426 } 427 428 /* Select a print function. */ 429 if (f_singlecol) 430 printfcn = printscol; 431 else if (f_longform) 432 printfcn = printlong; 433 else if (f_stream) 434 printfcn = printstream; 435 else 436 printfcn = printcol; 437 438 if (argc) 439 traverse(argc, argv, fts_options); 440 else 441 traverse(1, dotav, fts_options); 442 exit(rval); 443 } 444 445 static int output; /* If anything output. */ 446 447 /* 448 * Traverse() walks the logical directory structure specified by the argv list 449 * in the order specified by the mastercmp() comparison function. During the 450 * traversal it passes linked lists of structures to display() which represent 451 * a superset (may be exact set) of the files to be displayed. 452 */ 453 static void 454 traverse(int argc, char *argv[], int options) 455 { 456 FTS *ftsp; 457 FTSENT *p, *chp; 458 int ch_options; 459 460 if ((ftsp = 461 fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL) 462 err(1, "fts_open"); 463 464 /* 465 * We ignore errors from fts_children here since they will be 466 * replicated and signalled on the next call to fts_read() below. 467 */ 468 chp = fts_children(ftsp, 0); 469 if (chp != NULL) 470 display(NULL, chp, options); 471 if (f_listdir) 472 return; 473 474 /* 475 * If not recursing down this tree and don't need stat info, just get 476 * the names. 477 */ 478 ch_options = !f_recursive && !f_label && 479 options & FTS_NOSTAT ? FTS_NAMEONLY : 0; 480 481 while ((p = fts_read(ftsp)) != NULL) 482 switch (p->fts_info) { 483 case FTS_DC: 484 warnx("%s: directory causes a cycle", p->fts_name); 485 break; 486 case FTS_DNR: 487 case FTS_ERR: 488 warnx("%s: %s", p->fts_name, strerror(p->fts_errno)); 489 rval = 1; 490 break; 491 case FTS_D: 492 if (p->fts_level != FTS_ROOTLEVEL && 493 p->fts_name[0] == '.' && !f_listdot) 494 break; 495 496 /* 497 * If already output something, put out a newline as 498 * a separator. If multiple arguments, precede each 499 * directory with its name. 500 */ 501 if (output) { 502 putchar('\n'); 503 (void)printname(p->fts_path); 504 puts(":"); 505 } else if (argc > 1) { 506 (void)printname(p->fts_path); 507 puts(":"); 508 output = 1; 509 } 510 chp = fts_children(ftsp, ch_options); 511 display(p, chp, options); 512 513 if (!f_recursive && chp != NULL) 514 (void)fts_set(ftsp, p, FTS_SKIP); 515 break; 516 default: 517 break; 518 } 519 if (errno) 520 err(1, "fts_read"); 521 } 522 523 /* 524 * Display() takes a linked list of FTSENT structures and passes the list 525 * along with any other necessary information to the print function. P 526 * points to the parent directory of the display list. 527 */ 528 static void 529 display(const FTSENT *p, FTSENT *list, int options) 530 { 531 struct stat *sp; 532 DISPLAY d; 533 FTSENT *cur; 534 NAMES *np; 535 off_t maxsize; 536 long maxblock; 537 u_long btotal, labelstrlen, maxinode, maxlen, maxnlink; 538 u_long maxlabelstr; 539 int bcfile, maxflags; 540 gid_t maxgroup; 541 uid_t maxuser; 542 size_t flen, ulen, glen; 543 char *initmax; 544 int entries, needstats; 545 const char *user, *group; 546 char *flags, *labelstr = NULL; 547 char buf[STRBUF_SIZEOF(u_quad_t) + 1]; 548 char ngroup[STRBUF_SIZEOF(uid_t) + 1]; 549 char nuser[STRBUF_SIZEOF(gid_t) + 1]; 550 551 needstats = f_inode || f_longform || f_size; 552 flen = 0; 553 btotal = 0; 554 initmax = getenv("LS_COLWIDTHS"); 555 /* Fields match -lios order. New ones should be added at the end. */ 556 maxlabelstr = maxblock = maxinode = maxlen = maxnlink = 557 maxuser = maxgroup = maxflags = maxsize = 0; 558 if (initmax != NULL && *initmax != '\0') { 559 char *initmax2, *jinitmax; 560 int ninitmax; 561 562 /* Fill-in "::" as "0:0:0" for the sake of scanf. */ 563 jinitmax = malloc(strlen(initmax) * 2 + 2); 564 if (jinitmax == NULL) 565 err(1, "malloc"); 566 initmax2 = jinitmax; 567 if (*initmax == ':') 568 strcpy(initmax2, "0:"), initmax2 += 2; 569 else 570 *initmax2++ = *initmax, *initmax2 = '\0'; 571 for (initmax++; *initmax != '\0'; initmax++) { 572 if (initmax[-1] == ':' && initmax[0] == ':') { 573 *initmax2++ = '0'; 574 *initmax2++ = initmax[0]; 575 initmax2[1] = '\0'; 576 } else { 577 *initmax2++ = initmax[0]; 578 initmax2[1] = '\0'; 579 } 580 } 581 if (initmax2[-1] == ':') 582 strcpy(initmax2, "0"); 583 584 ninitmax = sscanf(jinitmax, 585 " %lu : %ld : %lu : %u : %u : %i : %jd : %lu : %lu ", 586 &maxinode, &maxblock, &maxnlink, &maxuser, 587 &maxgroup, &maxflags, &maxsize, &maxlen, &maxlabelstr); 588 f_notabs = 1; 589 switch (ninitmax) { 590 case 0: 591 maxinode = 0; 592 /* FALLTHROUGH */ 593 case 1: 594 maxblock = 0; 595 /* FALLTHROUGH */ 596 case 2: 597 maxnlink = 0; 598 /* FALLTHROUGH */ 599 case 3: 600 maxuser = 0; 601 /* FALLTHROUGH */ 602 case 4: 603 maxgroup = 0; 604 /* FALLTHROUGH */ 605 case 5: 606 maxflags = 0; 607 /* FALLTHROUGH */ 608 case 6: 609 maxsize = 0; 610 /* FALLTHROUGH */ 611 case 7: 612 maxlen = 0; 613 /* FALLTHROUGH */ 614 case 8: 615 maxlabelstr = 0; 616 /* FALLTHROUGH */ 617 #ifdef COLORLS 618 if (!f_color) 619 #endif 620 f_notabs = 0; 621 /* FALLTHROUGH */ 622 default: 623 break; 624 } 625 MAKENINES(maxinode); 626 MAKENINES(maxblock); 627 MAKENINES(maxnlink); 628 MAKENINES(maxsize); 629 free(jinitmax); 630 } 631 bcfile = 0; 632 flags = NULL; 633 for (cur = list, entries = 0; cur; cur = cur->fts_link) { 634 if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) { 635 warnx("%s: %s", 636 cur->fts_name, strerror(cur->fts_errno)); 637 cur->fts_number = NO_PRINT; 638 rval = 1; 639 continue; 640 } 641 /* 642 * P is NULL if list is the argv list, to which different rules 643 * apply. 644 */ 645 if (p == NULL) { 646 /* Directories will be displayed later. */ 647 if (cur->fts_info == FTS_D && !f_listdir) { 648 cur->fts_number = NO_PRINT; 649 continue; 650 } 651 } else { 652 /* Only display dot file if -a/-A set. */ 653 if (cur->fts_name[0] == '.' && !f_listdot) { 654 cur->fts_number = NO_PRINT; 655 continue; 656 } 657 } 658 if (cur->fts_namelen > maxlen) 659 maxlen = cur->fts_namelen; 660 if (f_octal || f_octal_escape) { 661 u_long t = len_octal(cur->fts_name, cur->fts_namelen); 662 663 if (t > maxlen) 664 maxlen = t; 665 } 666 if (needstats) { 667 sp = cur->fts_statp; 668 if (sp->st_blocks > maxblock) 669 maxblock = sp->st_blocks; 670 if (sp->st_ino > maxinode) 671 maxinode = sp->st_ino; 672 if (sp->st_nlink > maxnlink) 673 maxnlink = sp->st_nlink; 674 if (sp->st_size > maxsize) 675 maxsize = sp->st_size; 676 677 btotal += sp->st_blocks; 678 if (f_longform) { 679 if (f_numericonly) { 680 (void)snprintf(nuser, sizeof(nuser), 681 "%u", sp->st_uid); 682 (void)snprintf(ngroup, sizeof(ngroup), 683 "%u", sp->st_gid); 684 user = nuser; 685 group = ngroup; 686 } else { 687 user = user_from_uid(sp->st_uid, 0); 688 group = group_from_gid(sp->st_gid, 0); 689 } 690 if ((ulen = strlen(user)) > maxuser) 691 maxuser = ulen; 692 if ((glen = strlen(group)) > maxgroup) 693 maxgroup = glen; 694 if (f_flags) { 695 flags = fflagstostr(sp->st_flags); 696 if (flags != NULL && *flags == '\0') { 697 free(flags); 698 flags = strdup("-"); 699 } 700 if (flags == NULL) 701 err(1, "fflagstostr"); 702 flen = strlen(flags); 703 if (flen > (size_t)maxflags) 704 maxflags = flen; 705 } else 706 flen = 0; 707 labelstr = NULL; 708 if (f_label) { 709 char name[PATH_MAX + 1]; 710 mac_t label; 711 int error; 712 713 error = mac_prepare_file_label(&label); 714 if (error == -1) { 715 warn("MAC label for %s/%s", 716 cur->fts_parent->fts_path, 717 cur->fts_name); 718 goto label_out; 719 } 720 721 if (cur->fts_level == FTS_ROOTLEVEL) 722 snprintf(name, sizeof(name), 723 "%s", cur->fts_name); 724 else 725 snprintf(name, sizeof(name), 726 "%s/%s", cur->fts_parent-> 727 fts_accpath, cur->fts_name); 728 729 if (options & FTS_LOGICAL) 730 error = mac_get_file(name, 731 label); 732 else 733 error = mac_get_link(name, 734 label); 735 if (error == -1) { 736 warn("MAC label for %s/%s", 737 cur->fts_parent->fts_path, 738 cur->fts_name); 739 mac_free(label); 740 goto label_out; 741 } 742 743 error = mac_to_text(label, 744 &labelstr); 745 if (error == -1) { 746 warn("MAC label for %s/%s", 747 cur->fts_parent->fts_path, 748 cur->fts_name); 749 mac_free(label); 750 goto label_out; 751 } 752 mac_free(label); 753 label_out: 754 if (labelstr == NULL) 755 labelstr = strdup("-"); 756 labelstrlen = strlen(labelstr); 757 if (labelstrlen > maxlabelstr) 758 maxlabelstr = labelstrlen; 759 } else 760 labelstrlen = 0; 761 762 if ((np = malloc(sizeof(NAMES) + labelstrlen + 763 ulen + glen + flen + 4)) == NULL) 764 err(1, "malloc"); 765 766 np->user = &np->data[0]; 767 (void)strcpy(np->user, user); 768 np->group = &np->data[ulen + 1]; 769 (void)strcpy(np->group, group); 770 771 if (S_ISCHR(sp->st_mode) || 772 S_ISBLK(sp->st_mode)) 773 bcfile = 1; 774 775 if (f_flags) { 776 np->flags = &np->data[ulen + glen + 2]; 777 (void)strcpy(np->flags, flags); 778 free(flags); 779 } 780 if (f_label) { 781 np->label = &np->data[ulen + glen + 2 782 + (f_flags ? flen + 1 : 0)]; 783 (void)strcpy(np->label, labelstr); 784 free(labelstr); 785 } 786 cur->fts_pointer = np; 787 } 788 } 789 ++entries; 790 } 791 792 /* 793 * If there are no entries to display, we normally stop right 794 * here. However, we must continue if we have to display the 795 * total block count. In this case, we display the total only 796 * on the second (p != NULL) pass. 797 */ 798 if (!entries && (!(f_longform || f_size) || p == NULL)) 799 return; 800 801 d.list = list; 802 d.entries = entries; 803 d.maxlen = maxlen; 804 if (needstats) { 805 d.bcfile = bcfile; 806 d.btotal = btotal; 807 (void)snprintf(buf, sizeof(buf), "%lu", maxblock); 808 d.s_block = strlen(buf); 809 d.s_flags = maxflags; 810 d.s_label = maxlabelstr; 811 d.s_group = maxgroup; 812 (void)snprintf(buf, sizeof(buf), "%lu", maxinode); 813 d.s_inode = strlen(buf); 814 (void)snprintf(buf, sizeof(buf), "%lu", maxnlink); 815 d.s_nlink = strlen(buf); 816 (void)snprintf(buf, sizeof(buf), "%ju", maxsize); 817 d.s_size = strlen(buf); 818 d.s_user = maxuser; 819 } 820 printfcn(&d); 821 output = 1; 822 823 if (f_longform) 824 for (cur = list; cur; cur = cur->fts_link) 825 free(cur->fts_pointer); 826 } 827 828 /* 829 * Ordering for mastercmp: 830 * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories 831 * as larger than directories. Within either group, use the sort function. 832 * All other levels use the sort function. Error entries remain unsorted. 833 */ 834 static int 835 mastercmp(const FTSENT * const *a, const FTSENT * const *b) 836 { 837 int a_info, b_info; 838 839 a_info = (*a)->fts_info; 840 if (a_info == FTS_ERR) 841 return (0); 842 b_info = (*b)->fts_info; 843 if (b_info == FTS_ERR) 844 return (0); 845 846 if (a_info == FTS_NS || b_info == FTS_NS) 847 return (namecmp(*a, *b)); 848 849 if (a_info != b_info && 850 (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) { 851 if (a_info == FTS_D) 852 return (1); 853 if (b_info == FTS_D) 854 return (-1); 855 } 856 return (sortfcn(*a, *b)); 857 } 858