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. 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 * @(#) Copyright (c) 1989, 1993, 1994 The Regents of the University of California. All rights reserved. 33 * @(#)ls.c 8.5 (Berkeley) 4/2/94 34 * $FreeBSD: src/bin/ls/ls.c,v 1.78 2004/06/08 09:30:10 das Exp $ 35 */ 36 37 #include <sys/types.h> 38 #include <sys/stat.h> 39 #include <sys/ioctl.h> 40 41 #include <dirent.h> 42 #include <err.h> 43 #include <errno.h> 44 #include <fts.h> 45 #include <grp.h> 46 #include <inttypes.h> 47 #include <limits.h> 48 #include <locale.h> 49 #include <pwd.h> 50 #include <stdio.h> 51 #include <stdlib.h> 52 #include <string.h> 53 #include <unistd.h> 54 #ifdef COLORLS 55 #include <termcap.h> 56 #include <signal.h> 57 #endif 58 59 #include "ls.h" 60 #include "extern.h" 61 62 /* 63 * Upward approximation of the maximum number of characters needed to 64 * represent a value of integral type t as a string, excluding the 65 * NUL terminator, with provision for a sign. 66 */ 67 #define STRBUF_SIZEOF(t) (1 + CHAR_BIT * sizeof(t) / 3 + 1) 68 69 /* 70 * MAKENINES(n) turns n into (10**n)-1. This is useful for converting a width 71 * into a number that wide in decimal. 72 * XXX: Overflows are not considered. 73 */ 74 #define MAKENINES(n) \ 75 do { \ 76 intmax_t i; \ 77 \ 78 /* Use a loop as all values of n are small. */ \ 79 for (i = 1; n > 0; i *= 10) \ 80 n--; \ 81 n = i - 1; \ 82 } while(0) 83 84 static void display(const FTSENT *, FTSENT *); 85 static int mastercmp(const FTSENT * const *, const FTSENT * const *); 86 static void traverse(int, char **, int); 87 88 static void (*printfcn)(const DISPLAY *); 89 static int (*sortfcn)(const FTSENT *, const FTSENT *); 90 91 long blocksize; /* block size units */ 92 int termwidth = 80; /* default terminal width */ 93 94 /* flags */ 95 int f_accesstime; /* use time of last access */ 96 int f_flags; /* show flags associated with a file */ 97 int f_fsmid; /* show FSMID associated with a file */ 98 int f_humanval; /* show human-readable file sizes */ 99 int f_inode; /* print inode */ 100 static int f_kblocks; /* print size in kilobytes */ 101 static int f_listdir; /* list actual directory, not contents */ 102 static int f_listdot; /* list files beginning with . */ 103 int f_longform; /* long listing format */ 104 int f_nanotime; /* include nanotime in long format */ 105 int f_nonprint; /* show unprintables as ? */ 106 static int f_nosort; /* don't sort output */ 107 int f_notabs; /* don't use tab-separated multi-col output */ 108 static int f_numericonly; /* don't convert uid/gid to name */ 109 int f_octal; /* show unprintables as \xxx */ 110 int f_octal_escape; /* like f_octal but use C escapes if possible */ 111 static int f_recursive; /* ls subdirectories also */ 112 static int f_reversesort; /* reverse whatever sort is used */ 113 int f_sectime; /* print the real time for all files */ 114 static int f_singlecol; /* use single column output */ 115 int f_size; /* list size in short listing */ 116 int f_slash; /* similar to f_type, but only for dirs */ 117 int f_sizesort; /* Sort by size */ 118 int f_sortacross; /* sort across rows, not down columns */ 119 int f_statustime; /* use time of last mode change */ 120 static int f_stream; /* stream the output, separate with commas */ 121 const char *f_timeformat; /* user-specified time format */ 122 static int f_timesort; /* sort by time vice name */ 123 int f_type; /* add type character for non-regular files */ 124 static int f_whiteout; /* show whiteout entries */ 125 #ifdef COLORLS 126 int f_color; /* add type in color for non-regular files */ 127 128 char *ansi_bgcol; /* ANSI sequence to set background colour */ 129 char *ansi_fgcol; /* ANSI sequence to set foreground colour */ 130 char *ansi_coloff; /* ANSI sequence to reset colours */ 131 char *attrs_off; /* ANSI sequence to turn off attributes */ 132 char *enter_bold; /* ANSI sequence to set color to bold mode */ 133 #endif 134 135 static int rval; 136 137 int 138 main(int argc, char *argv[]) 139 { 140 static char dot[] = ".", *dotav[] = {dot, NULL}; 141 struct winsize win; 142 int ch, fts_options, notused; 143 char *p; 144 const char nanotime_format[] = "%Y-%m-%d %H:%M:%S"; 145 #ifdef COLORLS 146 char termcapbuf[1024]; /* termcap definition buffer */ 147 char tcapbuf[512]; /* capability buffer */ 148 char *bp = tcapbuf; 149 #endif 150 151 setlocale(LC_ALL, ""); 152 153 /* Terminal defaults to -Cq, non-terminal defaults to -1. */ 154 if (isatty(STDOUT_FILENO)) { 155 termwidth = 80; 156 if ((p = getenv("COLUMNS")) != NULL && *p != '\0') 157 termwidth = atoi(p); 158 else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 && 159 win.ws_col > 0) 160 termwidth = win.ws_col; 161 f_nonprint = 1; 162 } else { 163 f_singlecol = 1; 164 /* retrieve environment variable, in case of explicit -C */ 165 p = getenv("COLUMNS"); 166 if (p) 167 termwidth = atoi(p); 168 } 169 170 /* 171 * Root is -A automatically. Turn off if -I specified. 172 */ 173 if (getuid() == 0) 174 f_listdot = 1; 175 176 fts_options = FTS_PHYSICAL; 177 while ((ch = getopt(argc, argv, 178 "1ABCD:FGHILPRSTW_abcdfghiklmnopqrstuwxy")) != -1) { 179 switch (ch) { 180 /* 181 * The -1, -C, -x and -l options all override each other so 182 * shell aliasing works right. 183 */ 184 case '1': 185 f_singlecol = 1; 186 f_longform = 0; 187 f_stream = 0; 188 break; 189 case 'B': 190 f_nonprint = 0; 191 f_octal = 1; 192 f_octal_escape = 0; 193 break; 194 case 'C': 195 f_sortacross = f_longform = f_singlecol = 0; 196 break; 197 case 'l': 198 f_longform = 1; 199 f_singlecol = 0; 200 f_stream = 0; 201 break; 202 case 'x': 203 f_sortacross = 1; 204 f_longform = 0; 205 f_singlecol = 0; 206 break; 207 case 'y': 208 #ifdef _ST_FSMID_PRESENT_ 209 f_fsmid = 1; 210 #endif 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 'D': 222 f_timeformat = optarg; 223 break; 224 case 'F': 225 f_type = 1; 226 f_slash = 0; 227 break; 228 case 'H': 229 fts_options |= FTS_COMFOLLOW; 230 break; 231 case 'I': 232 f_listdot = 0; 233 break; 234 case 'G': 235 if (setenv("CLICOLOR", "", 1) != 0) 236 warn("setenv: cannot set CLICOLOR"); 237 break; 238 case 'L': 239 fts_options &= ~FTS_PHYSICAL; 240 fts_options |= FTS_LOGICAL; 241 break; 242 case 'P': 243 fts_options &= ~FTS_COMFOLLOW; 244 fts_options &= ~FTS_LOGICAL; 245 fts_options |= FTS_PHYSICAL; 246 break; 247 case 'R': 248 f_recursive = 1; 249 break; 250 /* The -t and -S options override each other. */ 251 case 'S': 252 f_sizesort = 1; 253 f_timesort = 0; 254 break; 255 case 't': 256 f_timesort = 1; 257 f_sizesort = 0; 258 break; 259 case 'f': 260 f_nosort = 1; 261 /* FALLTHROUGH */ 262 case 'a': 263 fts_options |= FTS_SEEDOT; 264 /* FALLTHROUGH */ 265 case 'A': 266 f_listdot = 1; 267 break; 268 /* The -d option turns off the -R option. */ 269 case 'd': 270 f_listdir = 1; 271 f_recursive = 0; 272 break; 273 case 'g': /* Compatibility with 4.3BSD. */ 274 break; 275 case 'h': 276 f_humanval = 1; 277 break; 278 case 'i': 279 f_inode = 1; 280 break; 281 case 'k': 282 f_humanval = 0; 283 f_kblocks = 1; 284 break; 285 case 'm': 286 f_stream = 1; 287 f_singlecol = 0; 288 f_longform = 0; 289 break; 290 case 'n': 291 f_numericonly = 1; 292 break; 293 case 'o': 294 f_flags = 1; 295 break; 296 case 'p': 297 f_slash = 1; 298 f_type = 1; 299 break; 300 case 'q': 301 f_nonprint = 1; 302 f_octal = 0; 303 f_octal_escape = 0; 304 break; 305 case 'r': 306 f_reversesort = 1; 307 break; 308 case 's': 309 f_size = 1; 310 break; 311 case 'T': 312 f_sectime = 1; 313 break; 314 case 'W': 315 f_whiteout = 1; 316 break; 317 case 'b': 318 f_nonprint = 0; 319 f_octal = 0; 320 f_octal_escape = 1; 321 break; 322 case 'w': 323 f_nonprint = 0; 324 f_octal = 0; 325 f_octal_escape = 0; 326 break; 327 case '_': 328 f_nanotime = 1; 329 f_timeformat = nanotime_format; 330 break; 331 default: 332 case '?': 333 usage(); 334 } 335 } 336 argc -= optind; 337 argv += optind; 338 339 /* Enabling of colours is conditional on the environment. */ 340 if (getenv("CLICOLOR") && 341 (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE"))) 342 #ifdef COLORLS 343 if (tgetent(termcapbuf, getenv("TERM")) == 1) { 344 ansi_fgcol = tgetstr("AF", &bp); 345 ansi_bgcol = tgetstr("AB", &bp); 346 attrs_off = tgetstr("me", &bp); 347 enter_bold = tgetstr("md", &bp); 348 349 /* To switch colours off use 'op' if 350 * available, otherwise use 'oc', or 351 * don't do colours at all. */ 352 ansi_coloff = tgetstr("op", &bp); 353 if (!ansi_coloff) 354 ansi_coloff = tgetstr("oc", &bp); 355 if (ansi_fgcol && ansi_bgcol && ansi_coloff) 356 f_color = 1; 357 } 358 #else 359 fprintf(stderr, "Color support not compiled in.\n"); 360 #endif /*COLORLS*/ 361 362 #ifdef COLORLS 363 if (f_color) { 364 /* 365 * We can't put tabs and color sequences together: 366 * column number will be incremented incorrectly 367 * for "stty oxtabs" mode. 368 */ 369 f_notabs = 1; 370 signal(SIGINT, colorquit); 371 signal(SIGQUIT, colorquit); 372 parsecolors(getenv("LSCOLORS")); 373 } 374 #endif 375 376 /* 377 * If not -F, -i, -l, -s, -S or -t options, don't require stat 378 * information, unless in color mode in which case we do 379 * need this to determine which colors to display. 380 */ 381 if (!f_inode && !f_longform && !f_size && !f_timesort && 382 !f_sizesort && !f_type 383 #ifdef COLORLS 384 && !f_color 385 #endif 386 ) 387 fts_options |= FTS_NOSTAT; 388 389 /* 390 * If not -F, -d or -l options, follow any symbolic links listed on 391 * the command line. 392 */ 393 if (!f_longform && !f_listdir && !f_type) 394 fts_options |= FTS_COMFOLLOW; 395 396 /* 397 * If -W, show whiteout entries 398 */ 399 #ifdef FTS_WHITEOUT 400 if (f_whiteout) 401 fts_options |= FTS_WHITEOUT; 402 #endif 403 404 /* If -l or -s, figure out block size. */ 405 if (f_longform || f_size) { 406 if (f_kblocks) 407 blocksize = 2; 408 else { 409 getbsize(¬used, &blocksize); 410 blocksize /= 512; 411 } 412 } 413 /* Select a sort function. */ 414 if (f_reversesort) { 415 if (!f_timesort && !f_sizesort) 416 sortfcn = revnamecmp; 417 else if (f_sizesort) 418 sortfcn = revsizecmp; 419 else if (f_accesstime) 420 sortfcn = revacccmp; 421 else if (f_statustime) 422 sortfcn = revstatcmp; 423 else /* Use modification time. */ 424 sortfcn = revmodcmp; 425 } else { 426 if (!f_timesort && !f_sizesort) 427 sortfcn = namecmp; 428 else if (f_sizesort) 429 sortfcn = sizecmp; 430 else if (f_accesstime) 431 sortfcn = acccmp; 432 else if (f_statustime) 433 sortfcn = statcmp; 434 else /* Use modification time. */ 435 sortfcn = modcmp; 436 } 437 438 /* Select a print function. */ 439 if (f_singlecol) 440 printfcn = printscol; 441 else if (f_longform) 442 printfcn = printlong; 443 else if (f_stream) 444 printfcn = printstream; 445 else 446 printfcn = printcol; 447 448 if (argc) 449 traverse(argc, argv, fts_options); 450 else 451 traverse(1, dotav, fts_options); 452 exit(rval); 453 } 454 455 static int output; /* If anything output. */ 456 457 /* 458 * Traverse() walks the logical directory structure specified by the argv list 459 * in the order specified by the mastercmp() comparison function. During the 460 * traversal it passes linked lists of structures to display() which represent 461 * a superset (may be exact set) of the files to be displayed. 462 */ 463 static void 464 traverse(int argc, char *argv[], int options) 465 { 466 FTS *ftsp; 467 FTSENT *p, *chp; 468 int ch_options, error; 469 470 if ((ftsp = 471 fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL) 472 err(1, "fts_open"); 473 474 /* 475 * We ignore errors from fts_children here since they will be 476 * replicated and signalled on the next call to fts_read() below. 477 */ 478 chp = fts_children(ftsp, 0); 479 if (chp != NULL) 480 display(NULL, chp); 481 if (f_listdir) { 482 fts_close(ftsp); 483 return; 484 } 485 486 /* 487 * If not recursing down this tree and don't need stat info, just get 488 * the names. 489 */ 490 ch_options = !f_recursive && options & FTS_NOSTAT ? FTS_NAMEONLY : 0; 491 492 while ((p = fts_read(ftsp)) != NULL) 493 switch (p->fts_info) { 494 case FTS_DC: 495 warnx("%s: directory causes a cycle", p->fts_name); 496 break; 497 case FTS_DNR: 498 case FTS_ERR: 499 warnx("%s: %s", p->fts_name, strerror(p->fts_errno)); 500 rval = 1; 501 break; 502 case FTS_D: 503 if (p->fts_level != FTS_ROOTLEVEL && 504 p->fts_name[0] == '.' && !f_listdot) 505 break; 506 507 /* 508 * If already output something, put out a newline as 509 * a separator. If multiple arguments, precede each 510 * directory with its name. 511 */ 512 if (output) { 513 putchar('\n'); 514 printname(p->fts_path); 515 puts(":"); 516 } else if (argc > 1) { 517 printname(p->fts_path); 518 puts(":"); 519 output = 1; 520 } 521 chp = fts_children(ftsp, ch_options); 522 display(p, chp); 523 524 if (!f_recursive && chp != NULL) 525 fts_set(ftsp, p, FTS_SKIP); 526 break; 527 default: 528 break; 529 } 530 error = errno; 531 fts_close(ftsp); 532 errno = error; 533 if (errno) 534 err(1, "fts_read"); 535 } 536 537 /* 538 * Display() takes a linked list of FTSENT structures and passes the list 539 * along with any other necessary information to the print function. P 540 * points to the parent directory of the display list. 541 */ 542 static void 543 display(const FTSENT *p, FTSENT *list) 544 { 545 struct stat *sp; 546 DISPLAY d; 547 FTSENT *cur; 548 NAMES *np; 549 off_t maxsize; 550 u_long btotal, maxlen; 551 int64_t maxblock; 552 ino_t maxinode; 553 nlink_t maxnlink; 554 int bcfile, maxflags; 555 gid_t maxgroup; 556 uid_t maxuser; 557 size_t fsmidlen, flen, ulen, glen; 558 char *initmax; 559 int entries, needstats; 560 const char *user, *group; 561 char *flags; 562 #ifdef _ST_FSMID_PRESENT_ 563 int64_t fsmid; 564 #endif 565 char buf[STRBUF_SIZEOF(u_quad_t) + 1]; 566 char ngroup[STRBUF_SIZEOF(uid_t) + 1]; 567 char nuser[STRBUF_SIZEOF(gid_t) + 1]; 568 569 needstats = f_inode || f_longform || f_size; 570 btotal = 0; 571 initmax = getenv("LS_COLWIDTHS"); 572 /* Fields match -lios order. New ones should be added at the end. */ 573 maxblock = maxinode = maxlen = maxnlink = 574 maxuser = maxgroup = maxflags = maxsize = 0; 575 if (initmax != NULL && *initmax != '\0') { 576 char *initmax2, *jinitmax; 577 int ninitmax; 578 579 /* Fill-in "::" as "0:0:0" for the sake of scanf. */ 580 jinitmax = malloc(strlen(initmax) * 2 + 2); 581 if (jinitmax == NULL) 582 err(1, "malloc"); 583 initmax2 = jinitmax; 584 if (*initmax == ':') 585 strcpy(initmax2, "0:"), initmax2 += 2; 586 else 587 *initmax2++ = *initmax, *initmax2 = '\0'; 588 for (initmax++; *initmax != '\0'; initmax++) { 589 if (initmax[-1] == ':' && initmax[0] == ':') { 590 *initmax2++ = '0'; 591 *initmax2++ = initmax[0]; 592 initmax2[1] = '\0'; 593 } else { 594 *initmax2++ = initmax[0]; 595 initmax2[1] = '\0'; 596 } 597 } 598 if (initmax2[-1] == ':') 599 strcpy(initmax2, "0"); 600 601 ninitmax = sscanf(jinitmax, 602 " %ju : %jd : %u : %i : %i : %i : %jd : %lu ", 603 &maxinode, &maxblock, &maxnlink, &maxuser, 604 &maxgroup, &maxflags, &maxsize, &maxlen); 605 f_notabs = 1; 606 switch (ninitmax) { 607 case 0: 608 maxinode = 0; 609 /* FALLTHROUGH */ 610 case 1: 611 maxblock = 0; 612 /* FALLTHROUGH */ 613 case 2: 614 maxnlink = 0; 615 /* FALLTHROUGH */ 616 case 3: 617 maxuser = 0; 618 /* FALLTHROUGH */ 619 case 4: 620 maxgroup = 0; 621 /* FALLTHROUGH */ 622 case 5: 623 maxflags = 0; 624 /* FALLTHROUGH */ 625 case 6: 626 maxsize = 0; 627 /* FALLTHROUGH */ 628 case 7: 629 maxlen = 0; 630 /* FALLTHROUGH */ 631 #ifdef COLORLS 632 if (!f_color) 633 #endif 634 f_notabs = 0; 635 /* FALLTHROUGH */ 636 default: 637 break; 638 } 639 MAKENINES(maxinode); 640 MAKENINES(maxblock); 641 MAKENINES(maxnlink); 642 MAKENINES(maxsize); 643 free(jinitmax); 644 } 645 bcfile = 0; 646 flags = NULL; 647 for (cur = list, entries = 0; cur; cur = cur->fts_link) { 648 if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) { 649 warnx("%s: %s", 650 cur->fts_name, strerror(cur->fts_errno)); 651 cur->fts_number = NO_PRINT; 652 rval = 1; 653 continue; 654 } 655 /* 656 * P is NULL if list is the argv list, to which different rules 657 * apply. 658 */ 659 if (p == NULL) { 660 /* Directories will be displayed later. */ 661 if (cur->fts_info == FTS_D && !f_listdir) { 662 cur->fts_number = NO_PRINT; 663 continue; 664 } 665 } else { 666 /* Only display dot file if -a/-A set. */ 667 if (cur->fts_name[0] == '.' && !f_listdot) { 668 cur->fts_number = NO_PRINT; 669 continue; 670 } 671 } 672 if (cur->fts_namelen > maxlen) 673 maxlen = cur->fts_namelen; 674 if (f_octal || f_octal_escape) { 675 u_long t = len_octal(cur->fts_name, cur->fts_namelen); 676 677 if (t > maxlen) 678 maxlen = t; 679 } 680 if (needstats) { 681 sp = cur->fts_statp; 682 if (sp->st_blocks > maxblock) 683 maxblock = sp->st_blocks; 684 if (sp->st_ino > maxinode) 685 maxinode = sp->st_ino; 686 if (sp->st_nlink > maxnlink) 687 maxnlink = sp->st_nlink; 688 if (sp->st_size > maxsize) 689 maxsize = sp->st_size; 690 691 btotal += sp->st_blocks; 692 if (f_longform) { 693 if (f_numericonly) { 694 snprintf(nuser, sizeof(nuser), 695 "%u", sp->st_uid); 696 snprintf(ngroup, sizeof(ngroup), 697 "%u", sp->st_gid); 698 user = nuser; 699 group = ngroup; 700 } else { 701 user = user_from_uid(sp->st_uid, 0); 702 group = group_from_gid(sp->st_gid, 0); 703 } 704 if ((ulen = strlen(user)) > maxuser) 705 maxuser = ulen; 706 if ((glen = strlen(group)) > maxgroup) 707 maxgroup = glen; 708 if (f_flags) { 709 flags = fflagstostr(sp->st_flags); 710 if (flags != NULL && *flags == '\0') { 711 free(flags); 712 flags = strdup("-"); 713 } 714 if (flags == NULL) 715 err(1, "flagstostr"); 716 flen = strlen(flags); 717 if (flen > (size_t)maxflags) 718 maxflags = flen; 719 } else { 720 flen = 0; 721 } 722 #ifdef _ST_FSMID_PRESENT_ 723 if (f_fsmid) { 724 fsmid = sp->st_fsmid; 725 fsmidlen = 18; 726 } else { 727 fsmid = 0; 728 fsmidlen = 0; 729 } 730 #else 731 fsmidlen = 0; 732 #endif 733 734 if ((np = malloc(sizeof(NAMES) + 735 ulen + glen + flen + fsmidlen + 4)) == NULL) 736 err(1, "malloc"); 737 738 np->user = &np->data[0]; 739 strcpy(np->user, user); 740 np->group = &np->data[ulen + 1]; 741 strcpy(np->group, group); 742 743 if (S_ISCHR(sp->st_mode) || 744 S_ISBLK(sp->st_mode)) 745 bcfile = 1; 746 747 if (f_flags) { 748 np->flags = &np->data[ulen + glen + 2]; 749 strcpy(np->flags, flags); 750 free(flags); 751 } 752 #ifdef _ST_FSMID_PRESENT_ 753 if (f_fsmid) { 754 np->fsmid = np->data + ulen + glen + flen + 3; 755 snprintf(np->fsmid, fsmidlen + 1, 756 "%016jx", (intmax_t)fsmid); 757 } 758 #endif 759 cur->fts_pointer = np; 760 } 761 } 762 ++entries; 763 } 764 765 /* 766 * If there are no entries to display, we normally stop right 767 * here. However, we must continue if we have to display the 768 * total block count. In this case, we display the total only 769 * on the second (p != NULL) pass. 770 */ 771 if (!entries && (!(f_longform || f_size) || p == NULL)) 772 return; 773 774 d.list = list; 775 d.entries = entries; 776 d.maxlen = maxlen; 777 if (needstats) { 778 d.bcfile = bcfile; 779 d.btotal = btotal; 780 snprintf(buf, sizeof(buf), "%ji", (intmax_t)maxblock); 781 d.s_block = strlen(buf); 782 d.s_flags = maxflags; 783 d.s_group = maxgroup; 784 snprintf(buf, sizeof(buf), "%ju", (uintmax_t)maxinode); 785 d.s_inode = strlen(buf); 786 snprintf(buf, sizeof(buf), "%u", maxnlink); 787 d.s_nlink = strlen(buf); 788 snprintf(buf, sizeof(buf), "%jd", (intmax_t)maxsize); 789 d.s_size = strlen(buf); 790 d.s_user = maxuser; 791 } 792 printfcn(&d); 793 output = 1; 794 795 if (f_longform) 796 for (cur = list; cur; cur = cur->fts_link) 797 free(cur->fts_pointer); 798 } 799 800 /* 801 * Ordering for mastercmp: 802 * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories 803 * as larger than directories. Within either group, use the sort function. 804 * All other levels use the sort function. Error entries remain unsorted. 805 */ 806 static int 807 mastercmp(const FTSENT * const *a, const FTSENT * const *b) 808 { 809 int a_info, b_info; 810 811 a_info = (*a)->fts_info; 812 if (a_info == FTS_ERR) 813 return (0); 814 b_info = (*b)->fts_info; 815 if (b_info == FTS_ERR) 816 return (0); 817 818 if (a_info == FTS_NS || b_info == FTS_NS) 819 return (namecmp(*a, *b)); 820 821 if (a_info != b_info && 822 (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) { 823 if (a_info == FTS_D) 824 return (1); 825 if (b_info == FTS_D) 826 return (-1); 827 } 828 return (sortfcn(*a, *b)); 829 } 830