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