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_humanval; /* show human-readable file sizes */ 98 int f_inode; /* print inode */ 99 static int f_kblocks; /* print size in kilobytes */ 100 static int f_listdir; /* list actual directory, not contents */ 101 static int f_listdot; /* list files beginning with . */ 102 int f_longform; /* long listing format */ 103 int f_nanotime; /* include nanotime in long format */ 104 int f_nonprint; /* show unprintables as ? */ 105 static int f_nosort; /* don't sort output */ 106 int f_notabs; /* don't use tab-separated multi-col output */ 107 static int f_numericonly; /* don't convert uid/gid to name */ 108 int f_octal; /* show unprintables as \xxx */ 109 int f_octal_escape; /* like f_octal but use C escapes if possible */ 110 static int f_recursive; /* ls subdirectories also */ 111 static int f_reversesort; /* reverse whatever sort is used */ 112 int f_sectime; /* print the real time for all files */ 113 static int f_singlecol; /* use single column output */ 114 int f_size; /* list size in short listing */ 115 static int f_sizesort; /* Sort by size */ 116 int f_slash; /* similar to f_type, but only for dirs */ 117 int f_sortacross; /* sort across rows, not down columns */ 118 int f_statustime; /* use time of last mode change */ 119 static int f_stream; /* stream the output, separate with commas */ 120 const char *f_timeformat; /* user-specified time format */ 121 static int f_timesort; /* sort by time vice name */ 122 int f_type; /* add type character for non-regular files */ 123 static int f_whiteout; /* show whiteout entries */ 124 #ifdef COLORLS 125 int f_color; /* add type in color for non-regular files */ 126 127 char *ansi_bgcol; /* ANSI sequence to set background colour */ 128 char *ansi_fgcol; /* ANSI sequence to set foreground colour */ 129 char *ansi_coloff; /* ANSI sequence to reset colours */ 130 char *attrs_off; /* ANSI sequence to turn off attributes */ 131 char *enter_bold; /* ANSI sequence to set color to bold mode */ 132 #endif 133 134 static int rval; 135 136 int 137 main(int argc, char *argv[]) 138 { 139 static char dot[] = ".", *dotav[] = {dot, NULL}; 140 struct winsize win; 141 int ch, fts_options, notused; 142 char *p; 143 const char nanotime_format[] = "%Y-%m-%d %H:%M:%S"; 144 #ifdef COLORLS 145 char termcapbuf[1024]; /* termcap definition buffer */ 146 char tcapbuf[512]; /* capability buffer */ 147 char *bp = tcapbuf; 148 #endif 149 150 setlocale(LC_ALL, ""); 151 152 /* Terminal defaults to -Cq, non-terminal defaults to -1. */ 153 if (isatty(STDOUT_FILENO)) { 154 termwidth = 80; 155 if ((p = getenv("COLUMNS")) != NULL && *p != '\0') 156 termwidth = atoi(p); 157 else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 && 158 win.ws_col > 0) 159 termwidth = win.ws_col; 160 f_nonprint = 1; 161 } else { 162 f_singlecol = 1; 163 /* retrieve environment variable, in case of explicit -C */ 164 p = getenv("COLUMNS"); 165 if (p) 166 termwidth = atoi(p); 167 } 168 169 /* 170 * Root is -A automatically. Turn off if -I specified. 171 */ 172 if (getuid() == 0) 173 f_listdot = 1; 174 175 fts_options = FTS_PHYSICAL; 176 while ((ch = getopt(argc, argv, 177 "1ABCD:FGHILPRSTW_abcdfghiklmnopqrstuwx")) != -1) { 178 switch (ch) { 179 /* 180 * The -1, -C, -x and -l options all override each other so 181 * shell aliasing works right. 182 */ 183 case '1': 184 f_singlecol = 1; 185 f_longform = 0; 186 f_stream = 0; 187 break; 188 case 'B': 189 f_nonprint = 0; 190 f_octal = 1; 191 f_octal_escape = 0; 192 break; 193 case 'C': 194 f_sortacross = f_longform = f_singlecol = 0; 195 break; 196 case 'l': 197 f_longform = 1; 198 f_singlecol = 0; 199 f_stream = 0; 200 break; 201 case 'x': 202 f_sortacross = 1; 203 f_longform = 0; 204 f_singlecol = 0; 205 break; 206 /* The -c and -u options override each other. */ 207 case 'c': 208 f_statustime = 1; 209 f_accesstime = 0; 210 break; 211 case 'u': 212 f_accesstime = 1; 213 f_statustime = 0; 214 break; 215 case 'D': 216 f_timeformat = optarg; 217 break; 218 case 'F': 219 f_type = 1; 220 f_slash = 0; 221 break; 222 case 'H': 223 fts_options |= FTS_COMFOLLOW; 224 break; 225 case 'I': 226 f_listdot = 0; 227 break; 228 case 'G': 229 if (setenv("CLICOLOR", "", 1) != 0) 230 warn("setenv: cannot set CLICOLOR"); 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 /* The -t and -S options override each other. */ 245 case 'S': 246 f_sizesort = 1; 247 f_timesort = 0; 248 break; 249 case 't': 250 f_timesort = 1; 251 f_sizesort = 0; 252 break; 253 case 'f': 254 f_nosort = 1; 255 /* FALLTHROUGH */ 256 case 'a': 257 fts_options |= FTS_SEEDOT; 258 /* FALLTHROUGH */ 259 case 'A': 260 f_listdot = 1; 261 break; 262 /* The -d option turns off the -R option. */ 263 case 'd': 264 f_listdir = 1; 265 f_recursive = 0; 266 break; 267 case 'g': /* Compatibility with 4.3BSD. */ 268 break; 269 case 'h': 270 f_humanval = 1; 271 break; 272 case 'i': 273 f_inode = 1; 274 break; 275 case 'k': 276 f_humanval = 0; 277 f_kblocks = 1; 278 break; 279 case 'm': 280 f_stream = 1; 281 f_singlecol = 0; 282 f_longform = 0; 283 break; 284 case 'n': 285 f_numericonly = 1; 286 break; 287 case 'o': 288 f_flags = 1; 289 break; 290 case 'p': 291 f_slash = 1; 292 f_type = 1; 293 break; 294 case 'q': 295 f_nonprint = 1; 296 f_octal = 0; 297 f_octal_escape = 0; 298 break; 299 case 'r': 300 f_reversesort = 1; 301 break; 302 case 's': 303 f_size = 1; 304 break; 305 case 'T': 306 f_sectime = 1; 307 break; 308 case 'W': 309 f_whiteout = 1; 310 break; 311 case 'b': 312 f_nonprint = 0; 313 f_octal = 0; 314 f_octal_escape = 1; 315 break; 316 case 'w': 317 f_nonprint = 0; 318 f_octal = 0; 319 f_octal_escape = 0; 320 break; 321 case '_': 322 f_nanotime = 1; 323 f_timeformat = nanotime_format; 324 break; 325 default: 326 case '?': 327 usage(); 328 } 329 } 330 argc -= optind; 331 argv += optind; 332 333 /* Enabling of colours is conditional on the environment. */ 334 if (getenv("CLICOLOR") && 335 (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE"))) 336 #ifdef COLORLS 337 if (tgetent(termcapbuf, getenv("TERM")) == 1) { 338 ansi_fgcol = tgetstr("AF", &bp); 339 ansi_bgcol = tgetstr("AB", &bp); 340 attrs_off = tgetstr("me", &bp); 341 enter_bold = tgetstr("md", &bp); 342 343 /* To switch colours off use 'op' if 344 * available, otherwise use 'oc', or 345 * don't do colours at all. */ 346 ansi_coloff = tgetstr("op", &bp); 347 if (!ansi_coloff) 348 ansi_coloff = tgetstr("oc", &bp); 349 if (ansi_fgcol && ansi_bgcol && ansi_coloff) 350 f_color = 1; 351 } 352 #else 353 fprintf(stderr, "Color support not compiled in.\n"); 354 #endif /*COLORLS*/ 355 356 #ifdef COLORLS 357 if (f_color) { 358 /* 359 * We can't put tabs and color sequences together: 360 * column number will be incremented incorrectly 361 * for "stty oxtabs" mode. 362 */ 363 f_notabs = 1; 364 signal(SIGINT, colorquit); 365 signal(SIGQUIT, colorquit); 366 parsecolors(getenv("LSCOLORS")); 367 } 368 #endif 369 370 /* 371 * If not -F, -i, -l, -s, -S or -t options, don't require stat 372 * information, unless in color mode in which case we do 373 * need this to determine which colors to display. 374 */ 375 if (!f_inode && !f_longform && !f_size && !f_timesort && 376 !f_sizesort && !f_type 377 #ifdef COLORLS 378 && !f_color 379 #endif 380 ) 381 fts_options |= FTS_NOSTAT; 382 383 /* 384 * If not -F, -d or -l options, follow any symbolic links listed on 385 * the command line. 386 */ 387 if (!f_longform && !f_listdir && !f_type) 388 fts_options |= FTS_COMFOLLOW; 389 390 /* 391 * If -W, show whiteout entries 392 */ 393 #ifdef FTS_WHITEOUT 394 if (f_whiteout) 395 fts_options |= FTS_WHITEOUT; 396 #endif 397 398 /* If -l or -s, figure out block size. */ 399 if (f_longform || f_size) { 400 if (f_kblocks) 401 blocksize = 2; 402 else { 403 getbsize(¬used, &blocksize); 404 blocksize /= 512; 405 } 406 } 407 /* Select a sort function. */ 408 if (f_reversesort) { 409 if (!f_timesort && !f_sizesort) 410 sortfcn = revnamecmp; 411 else if (f_sizesort) 412 sortfcn = revsizecmp; 413 else if (f_accesstime) 414 sortfcn = revacccmp; 415 else if (f_statustime) 416 sortfcn = revstatcmp; 417 else /* Use modification time. */ 418 sortfcn = revmodcmp; 419 } else { 420 if (!f_timesort && !f_sizesort) 421 sortfcn = namecmp; 422 else if (f_sizesort) 423 sortfcn = sizecmp; 424 else if (f_accesstime) 425 sortfcn = acccmp; 426 else if (f_statustime) 427 sortfcn = statcmp; 428 else /* Use modification time. */ 429 sortfcn = modcmp; 430 } 431 432 /* Select a print function. */ 433 if (f_singlecol) 434 printfcn = printscol; 435 else if (f_longform) 436 printfcn = printlong; 437 else if (f_stream) 438 printfcn = printstream; 439 else 440 printfcn = printcol; 441 442 if (argc) 443 traverse(argc, argv, fts_options); 444 else 445 traverse(1, dotav, fts_options); 446 exit(rval); 447 } 448 449 static int output; /* If anything output. */ 450 451 /* 452 * Traverse() walks the logical directory structure specified by the argv list 453 * in the order specified by the mastercmp() comparison function. During the 454 * traversal it passes linked lists of structures to display() which represent 455 * a superset (may be exact set) of the files to be displayed. 456 */ 457 static void 458 traverse(int argc, char *argv[], int options) 459 { 460 FTS *ftsp; 461 FTSENT *p, *chp; 462 int ch_options, error; 463 464 if ((ftsp = 465 fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL) 466 err(1, "fts_open"); 467 468 /* 469 * We ignore errors from fts_children here since they will be 470 * replicated and signalled on the next call to fts_read() below. 471 */ 472 chp = fts_children(ftsp, 0); 473 if (chp != NULL) 474 display(NULL, chp); 475 if (f_listdir) { 476 fts_close(ftsp); 477 return; 478 } 479 480 /* 481 * If not recursing down this tree and don't need stat info, just get 482 * the names. 483 */ 484 ch_options = !f_recursive && options & FTS_NOSTAT ? FTS_NAMEONLY : 0; 485 486 while ((p = fts_read(ftsp)) != NULL) 487 switch (p->fts_info) { 488 case FTS_DC: 489 warnx("%s: directory causes a cycle", p->fts_name); 490 break; 491 case FTS_DNR: 492 case FTS_ERR: 493 warnx("%s: %s", p->fts_name, strerror(p->fts_errno)); 494 rval = 1; 495 break; 496 case FTS_D: 497 if (p->fts_level != FTS_ROOTLEVEL && 498 p->fts_name[0] == '.' && !f_listdot) 499 break; 500 501 /* 502 * If already output something, put out a newline as 503 * a separator. If multiple arguments, precede each 504 * directory with its name. 505 */ 506 if (output) { 507 putchar('\n'); 508 printname(p->fts_path); 509 puts(":"); 510 } else if (argc > 1) { 511 printname(p->fts_path); 512 puts(":"); 513 output = 1; 514 } 515 chp = fts_children(ftsp, ch_options); 516 display(p, chp); 517 518 if (!f_recursive && chp != NULL) 519 fts_set(ftsp, p, FTS_SKIP); 520 break; 521 default: 522 break; 523 } 524 error = errno; 525 fts_close(ftsp); 526 errno = error; 527 if (errno) 528 err(1, "fts_read"); 529 } 530 531 /* 532 * Display() takes a linked list of FTSENT structures and passes the list 533 * along with any other necessary information to the print function. P 534 * points to the parent directory of the display list. 535 */ 536 static void 537 display(const FTSENT *p, FTSENT *list) 538 { 539 struct stat *sp; 540 DISPLAY d; 541 FTSENT *cur; 542 NAMES *np; 543 off_t maxsize; 544 u_long btotal, maxlen; 545 int64_t maxblock; 546 ino_t maxinode; 547 nlink_t maxnlink; 548 int bcfile, maxflags; 549 gid_t maxgroup; 550 uid_t maxuser; 551 size_t flen, ulen, glen; 552 char *initmax; 553 int entries, needstats; 554 const char *user, *group; 555 char *flags; 556 char buf[STRBUF_SIZEOF(u_quad_t) + 1]; 557 char ngroup[STRBUF_SIZEOF(uid_t) + 1]; 558 char nuser[STRBUF_SIZEOF(gid_t) + 1]; 559 560 needstats = f_inode || f_longform || f_size; 561 btotal = 0; 562 initmax = getenv("LS_COLWIDTHS"); 563 /* Fields match -lios order. New ones should be added at the end. */ 564 maxblock = maxinode = maxlen = maxnlink = 565 maxuser = maxgroup = maxflags = maxsize = 0; 566 if (initmax != NULL && *initmax != '\0') { 567 char *initmax2, *jinitmax; 568 int ninitmax; 569 570 /* Fill-in "::" as "0:0:0" for the sake of scanf. */ 571 jinitmax = malloc(strlen(initmax) * 2 + 2); 572 if (jinitmax == NULL) 573 err(1, "malloc"); 574 initmax2 = jinitmax; 575 if (*initmax == ':') 576 strcpy(initmax2, "0:"), initmax2 += 2; 577 else 578 *initmax2++ = *initmax, *initmax2 = '\0'; 579 for (initmax++; *initmax != '\0'; initmax++) { 580 if (initmax[-1] == ':' && initmax[0] == ':') { 581 *initmax2++ = '0'; 582 *initmax2++ = initmax[0]; 583 initmax2[1] = '\0'; 584 } else { 585 *initmax2++ = initmax[0]; 586 initmax2[1] = '\0'; 587 } 588 } 589 if (initmax2[-1] == ':') 590 strcpy(initmax2, "0"); 591 592 ninitmax = sscanf(jinitmax, 593 " %ju : %jd : %u : %i : %i : %i : %jd : %lu ", 594 &maxinode, &maxblock, &maxnlink, &maxuser, 595 &maxgroup, &maxflags, &maxsize, &maxlen); 596 f_notabs = 1; 597 switch (ninitmax) { 598 case 0: 599 maxinode = 0; 600 /* FALLTHROUGH */ 601 case 1: 602 maxblock = 0; 603 /* FALLTHROUGH */ 604 case 2: 605 maxnlink = 0; 606 /* FALLTHROUGH */ 607 case 3: 608 maxuser = 0; 609 /* FALLTHROUGH */ 610 case 4: 611 maxgroup = 0; 612 /* FALLTHROUGH */ 613 case 5: 614 maxflags = 0; 615 /* FALLTHROUGH */ 616 case 6: 617 maxsize = 0; 618 /* FALLTHROUGH */ 619 case 7: 620 maxlen = 0; 621 /* FALLTHROUGH */ 622 #ifdef COLORLS 623 if (!f_color) 624 #endif 625 f_notabs = 0; 626 /* FALLTHROUGH */ 627 default: 628 break; 629 } 630 MAKENINES(maxinode); 631 MAKENINES(maxblock); 632 MAKENINES(maxnlink); 633 MAKENINES(maxsize); 634 free(jinitmax); 635 } 636 bcfile = 0; 637 flags = NULL; 638 for (cur = list, entries = 0; cur; cur = cur->fts_link) { 639 if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) { 640 warnx("%s: %s", 641 cur->fts_name, strerror(cur->fts_errno)); 642 cur->fts_number = NO_PRINT; 643 rval = 1; 644 continue; 645 } 646 /* 647 * P is NULL if list is the argv list, to which different rules 648 * apply. 649 */ 650 if (p == NULL) { 651 /* Directories will be displayed later. */ 652 if (cur->fts_info == FTS_D && !f_listdir) { 653 cur->fts_number = NO_PRINT; 654 continue; 655 } 656 } else { 657 /* Only display dot file if -a/-A set. */ 658 if (cur->fts_name[0] == '.' && !f_listdot) { 659 cur->fts_number = NO_PRINT; 660 continue; 661 } 662 } 663 if (cur->fts_namelen > maxlen) 664 maxlen = cur->fts_namelen; 665 if (f_octal || f_octal_escape) { 666 u_long t = len_octal(cur->fts_name, cur->fts_namelen); 667 668 if (t > maxlen) 669 maxlen = t; 670 } 671 if (needstats) { 672 sp = cur->fts_statp; 673 if (sp->st_blocks > maxblock) 674 maxblock = sp->st_blocks; 675 if (sp->st_ino > maxinode) 676 maxinode = sp->st_ino; 677 if (sp->st_nlink > maxnlink) 678 maxnlink = sp->st_nlink; 679 if (sp->st_size > maxsize) 680 maxsize = sp->st_size; 681 682 btotal += sp->st_blocks; 683 if (f_longform) { 684 if (f_numericonly) { 685 snprintf(nuser, sizeof(nuser), 686 "%u", sp->st_uid); 687 snprintf(ngroup, sizeof(ngroup), 688 "%u", sp->st_gid); 689 user = nuser; 690 group = ngroup; 691 } else { 692 user = user_from_uid(sp->st_uid, 0); 693 group = group_from_gid(sp->st_gid, 0); 694 } 695 if ((ulen = strlen(user)) > maxuser) 696 maxuser = ulen; 697 if ((glen = strlen(group)) > maxgroup) 698 maxgroup = glen; 699 if (f_flags) { 700 flags = fflagstostr(sp->st_flags); 701 if (flags != NULL && *flags == '\0') { 702 free(flags); 703 flags = strdup("-"); 704 } 705 if (flags == NULL) 706 err(1, "flagstostr"); 707 flen = strlen(flags); 708 if (flen > (size_t)maxflags) 709 maxflags = flen; 710 } else { 711 flen = 0; 712 } 713 714 if ((np = malloc(sizeof(NAMES) + 715 ulen + glen + flen + 3)) == NULL) 716 err(1, "malloc"); 717 718 np->user = &np->data[0]; 719 strcpy(np->user, user); 720 np->group = &np->data[ulen + 1]; 721 strcpy(np->group, group); 722 723 if (S_ISCHR(sp->st_mode) || 724 S_ISBLK(sp->st_mode)) 725 bcfile = 1; 726 727 if (f_flags) { 728 np->flags = &np->data[ulen + glen + 2]; 729 strcpy(np->flags, flags); 730 free(flags); 731 } 732 cur->fts_pointer = np; 733 } 734 } 735 ++entries; 736 } 737 738 /* 739 * If there are no entries to display, we normally stop right 740 * here. However, we must continue if we have to display the 741 * total block count. In this case, we display the total only 742 * on the second (p != NULL) pass. 743 */ 744 if (!entries && (!(f_longform || f_size) || p == NULL)) 745 return; 746 747 d.list = list; 748 d.entries = entries; 749 d.maxlen = maxlen; 750 if (needstats) { 751 d.bcfile = bcfile; 752 d.btotal = btotal; 753 snprintf(buf, sizeof(buf), "%ji", (intmax_t)maxblock); 754 d.s_block = strlen(buf); 755 d.s_flags = maxflags; 756 d.s_group = maxgroup; 757 snprintf(buf, sizeof(buf), "%ju", (uintmax_t)maxinode); 758 d.s_inode = strlen(buf); 759 snprintf(buf, sizeof(buf), "%u", maxnlink); 760 d.s_nlink = strlen(buf); 761 snprintf(buf, sizeof(buf), "%jd", (intmax_t)maxsize); 762 d.s_size = strlen(buf); 763 d.s_user = maxuser; 764 } 765 printfcn(&d); 766 output = 1; 767 768 if (f_longform) 769 for (cur = list; cur; cur = cur->fts_link) 770 free(cur->fts_pointer); 771 } 772 773 /* 774 * Ordering for mastercmp: 775 * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories 776 * as larger than directories. Within either group, use the sort function. 777 * All other levels use the sort function. Error entries remain unsorted. 778 */ 779 static int 780 mastercmp(const FTSENT * const *a, const FTSENT * const *b) 781 { 782 int a_info, b_info; 783 784 a_info = (*a)->fts_info; 785 if (a_info == FTS_ERR) 786 return (0); 787 b_info = (*b)->fts_info; 788 if (b_info == FTS_ERR) 789 return (0); 790 791 if (a_info == FTS_NS || b_info == FTS_NS) 792 return (namecmp(*a, *b)); 793 794 if (a_info != b_info && 795 (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) { 796 if (a_info == FTS_D) 797 return (1); 798 if (b_info == FTS_D) 799 return (-1); 800 } 801 return (sortfcn(*a, *b)); 802 } 803