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/param.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 #include <libxo/xo.h> 70 71 #include "ls.h" 72 #include "extern.h" 73 74 /* 75 * Upward approximation of the maximum number of characters needed to 76 * represent a value of integral type t as a string, excluding the 77 * NUL terminator, with provision for a sign. 78 */ 79 #define STRBUF_SIZEOF(t) (1 + CHAR_BIT * sizeof(t) / 3 + 1) 80 81 /* 82 * MAKENINES(n) turns n into (10**n)-1. This is useful for converting a width 83 * into a number that wide in decimal. 84 * XXX: Overflows are not considered. 85 */ 86 #define MAKENINES(n) \ 87 do { \ 88 intmax_t i; \ 89 \ 90 /* Use a loop as all values of n are small. */ \ 91 for (i = 1; n > 0; i *= 10) \ 92 n--; \ 93 n = i - 1; \ 94 } while(0) 95 96 static void display(const FTSENT *, FTSENT *, int); 97 static int mastercmp(const FTSENT * const *, const FTSENT * const *); 98 static void traverse(int, char **, int); 99 100 static void (*printfcn)(const DISPLAY *); 101 static int (*sortfcn)(const FTSENT *, const FTSENT *); 102 103 long blocksize; /* block size units */ 104 int termwidth = 80; /* default terminal width */ 105 106 /* flags */ 107 int f_accesstime; /* use time of last access */ 108 int f_birthtime; /* use time of birth */ 109 int f_flags; /* show flags associated with a file */ 110 int f_humanval; /* show human-readable file sizes */ 111 int f_inode; /* print inode */ 112 static int f_kblocks; /* print size in kilobytes */ 113 int f_label; /* show MAC label */ 114 static int f_listdir; /* list actual directory, not contents */ 115 static int f_listdot; /* list files beginning with . */ 116 int f_longform; /* long listing format */ 117 static int f_noautodot; /* do not automatically enable -A for root */ 118 static int f_nofollow; /* don't follow symbolic link arguments */ 119 int f_nonprint; /* show unprintables as ? */ 120 static int f_nosort; /* don't sort output */ 121 int f_notabs; /* don't use tab-separated multi-col output */ 122 static int f_numericonly; /* don't convert uid/gid to name */ 123 int f_octal; /* show unprintables as \xxx */ 124 int f_octal_escape; /* like f_octal but use C escapes if possible */ 125 static int f_recursive; /* ls subdirectories also */ 126 static int f_reversesort; /* reverse whatever sort is used */ 127 int f_samesort; /* sort time and name in same direction */ 128 int f_sectime; /* print full time information */ 129 static int f_singlecol; /* use single column output */ 130 int f_size; /* list size in short listing */ 131 static int f_sizesort; 132 int f_slash; /* similar to f_type, but only for dirs */ 133 int f_sortacross; /* sort across rows, not down columns */ 134 int f_statustime; /* use time of last mode change */ 135 static int f_stream; /* stream the output, separate with commas */ 136 int f_thousands; /* show file sizes with thousands separators */ 137 char *f_timeformat; /* user-specified time format */ 138 static int f_timesort; /* sort by time vice name */ 139 int f_type; /* add type character for non-regular files */ 140 static int f_whiteout; /* show whiteout entries */ 141 142 #ifdef COLORLS 143 int f_color; /* add type in color for non-regular files */ 144 145 char *ansi_bgcol; /* ANSI sequence to set background colour */ 146 char *ansi_fgcol; /* ANSI sequence to set foreground colour */ 147 char *ansi_coloff; /* ANSI sequence to reset colours */ 148 char *attrs_off; /* ANSI sequence to turn off attributes */ 149 char *enter_bold; /* ANSI sequence to set color to bold mode */ 150 #endif 151 152 static int rval; 153 154 int 155 main(int argc, char *argv[]) 156 { 157 static char dot[] = ".", *dotav[] = {dot, NULL}; 158 struct winsize win; 159 int ch, fts_options, notused; 160 char *p; 161 #ifdef COLORLS 162 char termcapbuf[1024]; /* termcap definition buffer */ 163 char tcapbuf[512]; /* capability buffer */ 164 char *bp = tcapbuf; 165 #endif 166 167 (void)setlocale(LC_ALL, ""); 168 169 /* Terminal defaults to -Cq, non-terminal defaults to -1. */ 170 if (isatty(STDOUT_FILENO)) { 171 termwidth = 80; 172 if ((p = getenv("COLUMNS")) != NULL && *p != '\0') 173 termwidth = atoi(p); 174 else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 && 175 win.ws_col > 0) 176 termwidth = win.ws_col; 177 f_nonprint = 1; 178 } else { 179 f_singlecol = 1; 180 /* retrieve environment variable, in case of explicit -C */ 181 p = getenv("COLUMNS"); 182 if (p) 183 termwidth = atoi(p); 184 } 185 186 fts_options = FTS_PHYSICAL; 187 if (getenv("LS_SAMESORT")) 188 f_samesort = 1; 189 190 argc = xo_parse_args(argc, argv); 191 if (argc < 0) 192 return (1); 193 xo_set_flags(NULL, XOF_COLUMNS); 194 195 while ((ch = getopt(argc, argv, 196 "1ABCD:FGHILPRSTUWXZabcdfghiklmnopqrstuwxy,")) != -1) { 197 switch (ch) { 198 /* 199 * The -1, -C, -x and -l options all override each other so 200 * shell aliasing works right. 201 */ 202 case '1': 203 f_singlecol = 1; 204 f_longform = 0; 205 f_stream = 0; 206 break; 207 case 'C': 208 f_sortacross = f_longform = f_singlecol = 0; 209 break; 210 case 'l': 211 f_longform = 1; 212 f_singlecol = 0; 213 f_stream = 0; 214 break; 215 case 'x': 216 f_sortacross = 1; 217 f_longform = 0; 218 f_singlecol = 0; 219 break; 220 /* The -c, -u, and -U options override each other. */ 221 case 'c': 222 f_statustime = 1; 223 f_accesstime = 0; 224 f_birthtime = 0; 225 break; 226 case 'u': 227 f_accesstime = 1; 228 f_statustime = 0; 229 f_birthtime = 0; 230 break; 231 case 'U': 232 f_birthtime = 1; 233 f_accesstime = 0; 234 f_statustime = 0; 235 break; 236 case 'f': 237 f_nosort = 1; 238 /* FALLTHROUGH */ 239 case 'a': 240 fts_options |= FTS_SEEDOT; 241 /* FALLTHROUGH */ 242 case 'A': 243 f_listdot = 1; 244 break; 245 /* The -t and -S options override each other. */ 246 case 'S': 247 f_sizesort = 1; 248 f_timesort = 0; 249 break; 250 case 't': 251 f_timesort = 1; 252 f_sizesort = 0; 253 break; 254 /* Other flags. Please keep alphabetic. */ 255 case ',': 256 f_thousands = 1; 257 break; 258 case 'B': 259 f_nonprint = 0; 260 f_octal = 1; 261 f_octal_escape = 0; 262 break; 263 case 'D': 264 f_timeformat = optarg; 265 break; 266 case 'F': 267 f_type = 1; 268 f_slash = 0; 269 break; 270 case 'G': 271 setenv("CLICOLOR", "", 1); 272 break; 273 case 'H': 274 fts_options |= FTS_COMFOLLOW; 275 f_nofollow = 0; 276 break; 277 case 'I': 278 f_noautodot = 1; 279 break; 280 case 'L': 281 fts_options &= ~FTS_PHYSICAL; 282 fts_options |= FTS_LOGICAL; 283 f_nofollow = 0; 284 break; 285 case 'P': 286 fts_options &= ~FTS_COMFOLLOW; 287 fts_options &= ~FTS_LOGICAL; 288 fts_options |= FTS_PHYSICAL; 289 f_nofollow = 1; 290 break; 291 case 'R': 292 f_recursive = 1; 293 break; 294 case 'T': 295 f_sectime = 1; 296 break; 297 case 'W': 298 f_whiteout = 1; 299 break; 300 case 'Z': 301 f_label = 1; 302 break; 303 case 'b': 304 f_nonprint = 0; 305 f_octal = 0; 306 f_octal_escape = 1; 307 break; 308 /* The -d option turns off the -R option. */ 309 case 'd': 310 f_listdir = 1; 311 f_recursive = 0; 312 break; 313 case 'g': /* Compatibility with 4.3BSD. */ 314 break; 315 case 'h': 316 f_humanval = 1; 317 break; 318 case 'i': 319 f_inode = 1; 320 break; 321 case 'k': 322 f_humanval = 0; 323 f_kblocks = 1; 324 break; 325 case 'm': 326 f_stream = 1; 327 f_singlecol = 0; 328 f_longform = 0; 329 break; 330 case 'n': 331 f_numericonly = 1; 332 break; 333 case 'o': 334 f_flags = 1; 335 break; 336 case 'p': 337 f_slash = 1; 338 f_type = 1; 339 break; 340 case 'q': 341 f_nonprint = 1; 342 f_octal = 0; 343 f_octal_escape = 0; 344 break; 345 case 'r': 346 f_reversesort = 1; 347 break; 348 case 's': 349 f_size = 1; 350 break; 351 case 'w': 352 f_nonprint = 0; 353 f_octal = 0; 354 f_octal_escape = 0; 355 break; 356 case 'y': 357 f_samesort = 1; 358 break; 359 default: 360 case '?': 361 usage(); 362 } 363 } 364 argc -= optind; 365 argv += optind; 366 367 /* Root is -A automatically unless -I. */ 368 if (!f_listdot && getuid() == (uid_t)0 && !f_noautodot) 369 f_listdot = 1; 370 371 /* Enabling of colours is conditional on the environment. */ 372 if (getenv("CLICOLOR") && 373 (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE"))) 374 #ifdef COLORLS 375 if (tgetent(termcapbuf, getenv("TERM")) == 1) { 376 ansi_fgcol = tgetstr("AF", &bp); 377 ansi_bgcol = tgetstr("AB", &bp); 378 attrs_off = tgetstr("me", &bp); 379 enter_bold = tgetstr("md", &bp); 380 381 /* To switch colours off use 'op' if 382 * available, otherwise use 'oc', or 383 * don't do colours at all. */ 384 ansi_coloff = tgetstr("op", &bp); 385 if (!ansi_coloff) 386 ansi_coloff = tgetstr("oc", &bp); 387 if (ansi_fgcol && ansi_bgcol && ansi_coloff) 388 f_color = 1; 389 } 390 #else 391 xo_warnx("color support not compiled in"); 392 #endif /*COLORLS*/ 393 394 #ifdef COLORLS 395 if (f_color) { 396 /* 397 * We can't put tabs and color sequences together: 398 * column number will be incremented incorrectly 399 * for "stty oxtabs" mode. 400 */ 401 f_notabs = 1; 402 (void)signal(SIGINT, colorquit); 403 (void)signal(SIGQUIT, colorquit); 404 parsecolors(getenv("LSCOLORS")); 405 } 406 #endif 407 408 /* 409 * If not -F, -i, -l, -s, -S or -t options, don't require stat 410 * information, unless in color mode in which case we do 411 * need this to determine which colors to display. 412 */ 413 if (!f_inode && !f_longform && !f_size && !f_timesort && 414 !f_sizesort && !f_type 415 #ifdef COLORLS 416 && !f_color 417 #endif 418 ) 419 fts_options |= FTS_NOSTAT; 420 421 /* 422 * If not -F, -P, -d or -l options, follow any symbolic links listed on 423 * the command line, unless in color mode in which case we need to 424 * distinguish file type for a symbolic link itself and its target. 425 */ 426 if (!f_nofollow && !f_longform && !f_listdir && (!f_type || f_slash) 427 #ifdef COLORLS 428 && !f_color 429 #endif 430 ) 431 fts_options |= FTS_COMFOLLOW; 432 433 /* 434 * If -W, show whiteout entries 435 */ 436 #ifdef FTS_WHITEOUT 437 if (f_whiteout) 438 fts_options |= FTS_WHITEOUT; 439 #endif 440 441 /* If -i, -l or -s, figure out block size. */ 442 if (f_inode || f_longform || f_size) { 443 if (f_kblocks) 444 blocksize = 2; 445 else { 446 (void)getbsize(¬used, &blocksize); 447 blocksize /= 512; 448 } 449 } 450 /* Select a sort function. */ 451 if (f_reversesort) { 452 if (!f_timesort && !f_sizesort) 453 sortfcn = revnamecmp; 454 else if (f_sizesort) 455 sortfcn = revsizecmp; 456 else if (f_accesstime) 457 sortfcn = revacccmp; 458 else if (f_birthtime) 459 sortfcn = revbirthcmp; 460 else if (f_statustime) 461 sortfcn = revstatcmp; 462 else /* Use modification time. */ 463 sortfcn = revmodcmp; 464 } else { 465 if (!f_timesort && !f_sizesort) 466 sortfcn = namecmp; 467 else if (f_sizesort) 468 sortfcn = sizecmp; 469 else if (f_accesstime) 470 sortfcn = acccmp; 471 else if (f_birthtime) 472 sortfcn = birthcmp; 473 else if (f_statustime) 474 sortfcn = statcmp; 475 else /* Use modification time. */ 476 sortfcn = modcmp; 477 } 478 479 /* Select a print function. */ 480 if (f_singlecol) 481 printfcn = printscol; 482 else if (f_longform) 483 printfcn = printlong; 484 else if (f_stream) 485 printfcn = printstream; 486 else 487 printfcn = printcol; 488 489 xo_open_container("file-information"); 490 if (argc) 491 traverse(argc, argv, fts_options); 492 else 493 traverse(1, dotav, fts_options); 494 xo_close_container("file-information"); 495 xo_finish(); 496 exit(rval); 497 } 498 499 static int output; /* If anything output. */ 500 501 /* 502 * Traverse() walks the logical directory structure specified by the argv list 503 * in the order specified by the mastercmp() comparison function. During the 504 * traversal it passes linked lists of structures to display() which represent 505 * a superset (may be exact set) of the files to be displayed. 506 */ 507 static void 508 traverse(int argc, char *argv[], int options) 509 { 510 FTS *ftsp; 511 FTSENT *p, *chp; 512 int ch_options; 513 int first = 1; 514 515 if ((ftsp = 516 fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL) 517 xo_err(1, "fts_open"); 518 519 /* 520 * We ignore errors from fts_children here since they will be 521 * replicated and signalled on the next call to fts_read() below. 522 */ 523 chp = fts_children(ftsp, 0); 524 if (chp != NULL) 525 display(NULL, chp, options); 526 if (f_listdir) 527 return; 528 529 /* 530 * If not recursing down this tree and don't need stat info, just get 531 * the names. 532 */ 533 ch_options = !f_recursive && !f_label && 534 options & FTS_NOSTAT ? FTS_NAMEONLY : 0; 535 536 while ((p = fts_read(ftsp)) != NULL) 537 switch (p->fts_info) { 538 case FTS_DC: 539 xo_warnx("%s: directory causes a cycle", p->fts_name); 540 break; 541 case FTS_DNR: 542 case FTS_ERR: 543 xo_warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); 544 rval = 1; 545 break; 546 case FTS_D: 547 if (p->fts_level != FTS_ROOTLEVEL && 548 p->fts_name[0] == '.' && !f_listdot) 549 break; 550 551 if (first) { 552 first = 0; 553 xo_open_list("directory"); 554 } 555 xo_open_instance("directory"); 556 557 /* 558 * If already output something, put out a newline as 559 * a separator. If multiple arguments, precede each 560 * directory with its name. 561 */ 562 if (output) { 563 xo_emit("\n"); 564 (void)printname("path", p->fts_path); 565 xo_emit(":\n"); 566 } else if (argc > 1) { 567 (void)printname("path", p->fts_path); 568 xo_emit(":\n"); 569 output = 1; 570 } 571 chp = fts_children(ftsp, ch_options); 572 display(p, chp, options); 573 574 xo_close_instance("directory"); 575 if (!f_recursive && chp != NULL) 576 (void)fts_set(ftsp, p, FTS_SKIP); 577 break; 578 default: 579 break; 580 } 581 if (!first) 582 xo_close_list("directory"); 583 if (errno) 584 xo_err(1, "fts_read"); 585 } 586 587 /* 588 * Display() takes a linked list of FTSENT structures and passes the list 589 * along with any other necessary information to the print function. P 590 * points to the parent directory of the display list. 591 */ 592 static void 593 display(const FTSENT *p, FTSENT *list, int options) 594 { 595 struct stat *sp; 596 DISPLAY d; 597 FTSENT *cur; 598 NAMES *np; 599 off_t maxsize; 600 long maxblock; 601 uintmax_t maxinode; 602 u_long btotal, labelstrlen, maxlen, maxnlink; 603 u_long maxlabelstr; 604 u_int sizelen; 605 int maxflags; 606 gid_t maxgroup; 607 uid_t maxuser; 608 size_t flen, ulen, glen; 609 char *initmax; 610 int entries, needstats; 611 const char *user, *group; 612 char *flags, *labelstr = NULL; 613 char ngroup[STRBUF_SIZEOF(uid_t) + 1]; 614 char nuser[STRBUF_SIZEOF(gid_t) + 1]; 615 616 needstats = f_inode || f_longform || f_size; 617 flen = 0; 618 btotal = 0; 619 initmax = getenv("LS_COLWIDTHS"); 620 /* Fields match -lios order. New ones should be added at the end. */ 621 maxlabelstr = maxblock = maxlen = maxnlink = 0; 622 maxuser = maxgroup = maxflags = maxsize = 0; 623 maxinode = 0; 624 if (initmax != NULL && *initmax != '\0') { 625 char *initmax2, *jinitmax; 626 int ninitmax; 627 628 /* Fill-in "::" as "0:0:0" for the sake of scanf. */ 629 jinitmax = malloc(strlen(initmax) * 2 + 2); 630 if (jinitmax == NULL) 631 xo_err(1, "malloc"); 632 initmax2 = jinitmax; 633 if (*initmax == ':') 634 strcpy(initmax2, "0:"), initmax2 += 2; 635 else 636 *initmax2++ = *initmax, *initmax2 = '\0'; 637 for (initmax++; *initmax != '\0'; initmax++) { 638 if (initmax[-1] == ':' && initmax[0] == ':') { 639 *initmax2++ = '0'; 640 *initmax2++ = initmax[0]; 641 initmax2[1] = '\0'; 642 } else { 643 *initmax2++ = initmax[0]; 644 initmax2[1] = '\0'; 645 } 646 } 647 if (initmax2[-1] == ':') 648 strcpy(initmax2, "0"); 649 650 ninitmax = sscanf(jinitmax, 651 " %ju : %ld : %lu : %u : %u : %i : %jd : %lu : %lu ", 652 &maxinode, &maxblock, &maxnlink, &maxuser, 653 &maxgroup, &maxflags, &maxsize, &maxlen, &maxlabelstr); 654 f_notabs = 1; 655 switch (ninitmax) { 656 case 0: 657 maxinode = 0; 658 /* FALLTHROUGH */ 659 case 1: 660 maxblock = 0; 661 /* FALLTHROUGH */ 662 case 2: 663 maxnlink = 0; 664 /* FALLTHROUGH */ 665 case 3: 666 maxuser = 0; 667 /* FALLTHROUGH */ 668 case 4: 669 maxgroup = 0; 670 /* FALLTHROUGH */ 671 case 5: 672 maxflags = 0; 673 /* FALLTHROUGH */ 674 case 6: 675 maxsize = 0; 676 /* FALLTHROUGH */ 677 case 7: 678 maxlen = 0; 679 /* FALLTHROUGH */ 680 case 8: 681 maxlabelstr = 0; 682 /* FALLTHROUGH */ 683 #ifdef COLORLS 684 if (!f_color) 685 #endif 686 f_notabs = 0; 687 /* FALLTHROUGH */ 688 default: 689 break; 690 } 691 MAKENINES(maxinode); 692 MAKENINES(maxblock); 693 MAKENINES(maxnlink); 694 MAKENINES(maxsize); 695 free(jinitmax); 696 } 697 d.s_size = 0; 698 sizelen = 0; 699 flags = NULL; 700 for (cur = list, entries = 0; cur; cur = cur->fts_link) { 701 if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) { 702 xo_warnx("%s: %s", 703 cur->fts_name, strerror(cur->fts_errno)); 704 cur->fts_number = NO_PRINT; 705 rval = 1; 706 continue; 707 } 708 /* 709 * P is NULL if list is the argv list, to which different rules 710 * apply. 711 */ 712 if (p == NULL) { 713 /* Directories will be displayed later. */ 714 if (cur->fts_info == FTS_D && !f_listdir) { 715 cur->fts_number = NO_PRINT; 716 continue; 717 } 718 } else { 719 /* Only display dot file if -a/-A set. */ 720 if (cur->fts_name[0] == '.' && !f_listdot) { 721 cur->fts_number = NO_PRINT; 722 continue; 723 } 724 } 725 if (cur->fts_namelen > maxlen) 726 maxlen = cur->fts_namelen; 727 if (f_octal || f_octal_escape) { 728 u_long t = len_octal(cur->fts_name, cur->fts_namelen); 729 730 if (t > maxlen) 731 maxlen = t; 732 } 733 if (needstats) { 734 sp = cur->fts_statp; 735 if (sp->st_blocks > maxblock) 736 maxblock = sp->st_blocks; 737 if (sp->st_ino > maxinode) 738 maxinode = sp->st_ino; 739 if (sp->st_nlink > maxnlink) 740 maxnlink = sp->st_nlink; 741 if (sp->st_size > maxsize) 742 maxsize = sp->st_size; 743 744 btotal += sp->st_blocks; 745 if (f_longform) { 746 if (f_numericonly) { 747 (void)snprintf(nuser, sizeof(nuser), 748 "%u", sp->st_uid); 749 (void)snprintf(ngroup, sizeof(ngroup), 750 "%u", sp->st_gid); 751 user = nuser; 752 group = ngroup; 753 } else { 754 user = user_from_uid(sp->st_uid, 0); 755 group = group_from_gid(sp->st_gid, 0); 756 } 757 if ((ulen = strlen(user)) > maxuser) 758 maxuser = ulen; 759 if ((glen = strlen(group)) > maxgroup) 760 maxgroup = glen; 761 if (f_flags) { 762 flags = fflagstostr(sp->st_flags); 763 if (flags != NULL && *flags == '\0') { 764 free(flags); 765 flags = strdup("-"); 766 } 767 if (flags == NULL) 768 xo_err(1, "fflagstostr"); 769 flen = strlen(flags); 770 if (flen > (size_t)maxflags) 771 maxflags = flen; 772 } else 773 flen = 0; 774 labelstr = NULL; 775 if (f_label) { 776 char name[PATH_MAX + 1]; 777 mac_t label; 778 int error; 779 780 error = mac_prepare_file_label(&label); 781 if (error == -1) { 782 xo_warn("MAC label for %s/%s", 783 cur->fts_parent->fts_path, 784 cur->fts_name); 785 goto label_out; 786 } 787 788 if (cur->fts_level == FTS_ROOTLEVEL) 789 snprintf(name, sizeof(name), 790 "%s", cur->fts_name); 791 else 792 snprintf(name, sizeof(name), 793 "%s/%s", cur->fts_parent-> 794 fts_accpath, cur->fts_name); 795 796 if (options & FTS_LOGICAL) 797 error = mac_get_file(name, 798 label); 799 else 800 error = mac_get_link(name, 801 label); 802 if (error == -1) { 803 xo_warn("MAC label for %s/%s", 804 cur->fts_parent->fts_path, 805 cur->fts_name); 806 mac_free(label); 807 goto label_out; 808 } 809 810 error = mac_to_text(label, 811 &labelstr); 812 if (error == -1) { 813 xo_warn("MAC label for %s/%s", 814 cur->fts_parent->fts_path, 815 cur->fts_name); 816 mac_free(label); 817 goto label_out; 818 } 819 mac_free(label); 820 label_out: 821 if (labelstr == NULL) 822 labelstr = strdup("-"); 823 labelstrlen = strlen(labelstr); 824 if (labelstrlen > maxlabelstr) 825 maxlabelstr = labelstrlen; 826 } else 827 labelstrlen = 0; 828 829 if ((np = malloc(sizeof(NAMES) + labelstrlen + 830 ulen + glen + flen + 4)) == NULL) 831 xo_err(1, "malloc"); 832 833 np->user = &np->data[0]; 834 (void)strcpy(np->user, user); 835 np->group = &np->data[ulen + 1]; 836 (void)strcpy(np->group, group); 837 838 if (S_ISCHR(sp->st_mode) || 839 S_ISBLK(sp->st_mode)) { 840 sizelen = snprintf(NULL, 0, 841 "%#jx", (uintmax_t)sp->st_rdev); 842 if (d.s_size < sizelen) 843 d.s_size = sizelen; 844 } 845 846 if (f_flags) { 847 np->flags = &np->data[ulen + glen + 2]; 848 (void)strcpy(np->flags, flags); 849 free(flags); 850 } 851 if (f_label) { 852 np->label = &np->data[ulen + glen + 2 853 + (f_flags ? flen + 1 : 0)]; 854 (void)strcpy(np->label, labelstr); 855 free(labelstr); 856 } 857 cur->fts_pointer = np; 858 } 859 } 860 ++entries; 861 } 862 863 /* 864 * If there are no entries to display, we normally stop right 865 * here. However, we must continue if we have to display the 866 * total block count. In this case, we display the total only 867 * on the second (p != NULL) pass. 868 */ 869 if (!entries && (!(f_longform || f_size) || p == NULL)) 870 return; 871 872 d.list = list; 873 d.entries = entries; 874 d.maxlen = maxlen; 875 if (needstats) { 876 d.btotal = btotal; 877 d.s_block = snprintf(NULL, 0, "%lu", howmany(maxblock, blocksize)); 878 d.s_flags = maxflags; 879 d.s_label = maxlabelstr; 880 d.s_group = maxgroup; 881 d.s_inode = snprintf(NULL, 0, "%ju", maxinode); 882 d.s_nlink = snprintf(NULL, 0, "%lu", maxnlink); 883 sizelen = f_humanval ? HUMANVALSTR_LEN : 884 snprintf(NULL, 0, "%ju", maxsize); 885 if (d.s_size < sizelen) 886 d.s_size = sizelen; 887 d.s_user = maxuser; 888 } 889 if (f_thousands) /* make space for commas */ 890 d.s_size += (d.s_size - 1) / 3; 891 printfcn(&d); 892 output = 1; 893 894 if (f_longform) 895 for (cur = list; cur; cur = cur->fts_link) 896 free(cur->fts_pointer); 897 } 898 899 /* 900 * Ordering for mastercmp: 901 * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories 902 * as larger than directories. Within either group, use the sort function. 903 * All other levels use the sort function. Error entries remain unsorted. 904 */ 905 static int 906 mastercmp(const FTSENT * const *a, const FTSENT * const *b) 907 { 908 int a_info, b_info; 909 910 a_info = (*a)->fts_info; 911 if (a_info == FTS_ERR) 912 return (0); 913 b_info = (*b)->fts_info; 914 if (b_info == FTS_ERR) 915 return (0); 916 917 if (a_info == FTS_NS || b_info == FTS_NS) 918 return (namecmp(*a, *b)); 919 920 if (a_info != b_info && 921 (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) { 922 if (a_info == FTS_D) 923 return (1); 924 if (b_info == FTS_D) 925 return (-1); 926 } 927 return (sortfcn(*a, *b)); 928 } 929