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 * @(#) 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 * $DragonFly: src/bin/ls/ls.c,v 1.14 2005/09/18 18:01:49 asmodai Exp $ 36 */ 37 38 #include <sys/types.h> 39 #include <sys/stat.h> 40 #include <sys/ioctl.h> 41 42 #include <dirent.h> 43 #include <err.h> 44 #include <errno.h> 45 #include <fts.h> 46 #include <grp.h> 47 #include <inttypes.h> 48 #include <limits.h> 49 #include <locale.h> 50 #include <pwd.h> 51 #include <stdio.h> 52 #include <stdlib.h> 53 #include <string.h> 54 #include <unistd.h> 55 #ifdef COLORLS 56 #include <termcap.h> 57 #include <signal.h> 58 #endif 59 60 #include "ls.h" 61 #include "extern.h" 62 63 /* 64 * Upward approximation of the maximum number of characters needed to 65 * represent a value of integral type t as a string, excluding the 66 * NUL terminator, with provision for a sign. 67 */ 68 #define STRBUF_SIZEOF(t) (1 + CHAR_BIT * sizeof(t) / 3 + 1) 69 70 /* 71 * MAKENINES(n) turns n into (10**n)-1. This is useful for converting a width 72 * into a number that wide in decimal. 73 * XXX: Overflows are not considered. 74 */ 75 #define MAKENINES(n) \ 76 do { \ 77 intmax_t i; \ 78 \ 79 /* Use a loop as all values of n are small. */ \ 80 for (i = 1; n > 0; i *= 10) \ 81 n--; \ 82 n = i - 1; \ 83 } while(0) 84 85 static void display(const FTSENT *, FTSENT *); 86 static int mastercmp(const FTSENT **, const FTSENT **); 87 static void traverse(int, char **, int); 88 89 static void (*printfcn)(const DISPLAY *); 90 static int (*sortfcn)(const FTSENT *, const FTSENT *); 91 92 long blocksize; /* block size units */ 93 int termwidth = 80; /* default terminal width */ 94 95 /* flags */ 96 int f_accesstime; /* use time of last access */ 97 int f_flags; /* show flags associated with a file */ 98 int f_fsmid; /* show FSMID associated with a file */ 99 int f_humanval; /* show human-readable file sizes */ 100 int f_inode; /* print inode */ 101 static int f_kblocks; /* print size in kilobytes */ 102 static int f_listdir; /* list actual directory, not contents */ 103 static int f_listdot; /* list files beginning with . */ 104 int f_longform; /* long listing 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_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 static int f_timesort; /* sort by time vice name */ 121 int f_type; /* add type character for non-regular files */ 122 static int f_whiteout; /* show whiteout entries */ 123 #ifdef COLORLS 124 int f_color; /* add type in color for non-regular files */ 125 126 char *ansi_bgcol; /* ANSI sequence to set background colour */ 127 char *ansi_fgcol; /* ANSI sequence to set foreground colour */ 128 char *ansi_coloff; /* ANSI sequence to reset colours */ 129 char *attrs_off; /* ANSI sequence to turn off attributes */ 130 char *enter_bold; /* ANSI sequence to set color to bold mode */ 131 #endif 132 133 static int rval; 134 135 int 136 main(int argc, char *argv[]) 137 { 138 static char dot[] = ".", *dotav[] = {dot, NULL}; 139 struct winsize win; 140 int ch, fts_options, notused; 141 char *p; 142 #ifdef COLORLS 143 char termcapbuf[1024]; /* termcap definition buffer */ 144 char tcapbuf[512]; /* capability buffer */ 145 char *bp = tcapbuf; 146 #endif 147 148 setlocale(LC_ALL, ""); 149 150 /* Terminal defaults to -Cq, non-terminal defaults to -1. */ 151 if (isatty(STDOUT_FILENO)) { 152 termwidth = 80; 153 if ((p = getenv("COLUMNS")) != NULL && *p != '\0') 154 termwidth = atoi(p); 155 else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 && 156 win.ws_col > 0) 157 termwidth = win.ws_col; 158 f_nonprint = 1; 159 } else { 160 f_singlecol = 1; 161 /* retrieve environment variable, in case of explicit -C */ 162 p = getenv("COLUMNS"); 163 if (p) 164 termwidth = atoi(p); 165 } 166 167 /* Root is -A automatically. */ 168 if (!getuid()) 169 f_listdot = 1; 170 171 fts_options = FTS_PHYSICAL; 172 while ((ch = getopt(argc, argv, "1ABCFGHLPRTWabcdfghiklmnopqrstuwxy")) 173 != -1) { 174 switch (ch) { 175 /* 176 * The -1, -C, -x and -l options all override each other so 177 * shell aliasing works right. 178 */ 179 case '1': 180 f_singlecol = 1; 181 f_longform = 0; 182 f_stream = 0; 183 break; 184 case 'B': 185 f_nonprint = 0; 186 f_octal = 1; 187 f_octal_escape = 0; 188 break; 189 case 'C': 190 f_sortacross = f_longform = f_singlecol = 0; 191 break; 192 case 'l': 193 f_longform = 1; 194 f_singlecol = 0; 195 f_stream = 0; 196 break; 197 case 'x': 198 f_sortacross = 1; 199 f_longform = 0; 200 f_singlecol = 0; 201 break; 202 case 'y': 203 #ifdef _ST_FSMID_PRESENT_ 204 f_fsmid = 1; 205 #endif 206 break; 207 /* The -c and -u options override each other. */ 208 case 'c': 209 f_statustime = 1; 210 f_accesstime = 0; 211 break; 212 case 'u': 213 f_accesstime = 1; 214 f_statustime = 0; 215 break; 216 case 'F': 217 f_type = 1; 218 f_slash = 0; 219 break; 220 case 'H': 221 fts_options |= FTS_COMFOLLOW; 222 break; 223 case 'G': 224 setenv("CLICOLOR", "", 1); 225 break; 226 case 'L': 227 fts_options &= ~FTS_PHYSICAL; 228 fts_options |= FTS_LOGICAL; 229 break; 230 case 'P': 231 fts_options &= ~FTS_COMFOLLOW; 232 fts_options &= ~FTS_LOGICAL; 233 fts_options |= FTS_PHYSICAL; 234 break; 235 case 'R': 236 f_recursive = 1; 237 break; 238 case 'a': 239 fts_options |= FTS_SEEDOT; 240 /* FALLTHROUGH */ 241 case 'A': 242 f_listdot = 1; 243 break; 244 /* The -d option turns off the -R option. */ 245 case 'd': 246 f_listdir = 1; 247 f_recursive = 0; 248 break; 249 case 'f': 250 f_nosort = 1; 251 break; 252 case 'g': /* Compatibility with 4.3BSD. */ 253 break; 254 case 'h': 255 f_humanval = 1; 256 break; 257 case 'i': 258 f_inode = 1; 259 break; 260 case 'k': 261 f_humanval = 0; 262 f_kblocks = 1; 263 break; 264 case 'm': 265 f_stream = 1; 266 f_singlecol = 0; 267 f_longform = 0; 268 break; 269 case 'n': 270 f_numericonly = 1; 271 break; 272 case 'o': 273 f_flags = 1; 274 break; 275 case 'p': 276 f_slash = 1; 277 f_type = 1; 278 break; 279 case 'q': 280 f_nonprint = 1; 281 f_octal = 0; 282 f_octal_escape = 0; 283 break; 284 case 'r': 285 f_reversesort = 1; 286 break; 287 case 's': 288 f_size = 1; 289 break; 290 case 'T': 291 f_sectime = 1; 292 break; 293 case 't': 294 f_timesort = 1; 295 break; 296 case 'W': 297 f_whiteout = 1; 298 break; 299 case 'b': 300 f_nonprint = 0; 301 f_octal = 0; 302 f_octal_escape = 1; 303 break; 304 case 'w': 305 f_nonprint = 0; 306 f_octal = 0; 307 f_octal_escape = 0; 308 break; 309 default: 310 case '?': 311 usage(); 312 } 313 } 314 argc -= optind; 315 argv += optind; 316 317 /* Enabling of colours is conditional on the environment. */ 318 if (getenv("CLICOLOR") && 319 (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE"))) 320 #ifdef COLORLS 321 if (tgetent(termcapbuf, getenv("TERM")) == 1) { 322 ansi_fgcol = tgetstr("AF", &bp); 323 ansi_bgcol = tgetstr("AB", &bp); 324 attrs_off = tgetstr("me", &bp); 325 enter_bold = tgetstr("md", &bp); 326 327 /* To switch colours off use 'op' if 328 * available, otherwise use 'oc', or 329 * don't do colours at all. */ 330 ansi_coloff = tgetstr("op", &bp); 331 if (!ansi_coloff) 332 ansi_coloff = tgetstr("oc", &bp); 333 if (ansi_fgcol && ansi_bgcol && ansi_coloff) 334 f_color = 1; 335 } 336 #else 337 fprintf(stderr, "Color support not compiled in.\n"); 338 #endif /*COLORLS*/ 339 340 #ifdef COLORLS 341 if (f_color) { 342 /* 343 * We can't put tabs and color sequences together: 344 * column number will be incremented incorrectly 345 * for "stty oxtabs" mode. 346 */ 347 f_notabs = 1; 348 signal(SIGINT, colorquit); 349 signal(SIGQUIT, colorquit); 350 parsecolors(getenv("LSCOLORS")); 351 } 352 #endif 353 354 /* 355 * If not -F, -i, -l, -s or -t options, don't require stat 356 * information, unless in color mode in which case we do 357 * need this to determine which colors to display. 358 */ 359 if (!f_inode && !f_longform && !f_size && !f_timesort && !f_type 360 #ifdef COLORLS 361 && !f_color 362 #endif 363 ) 364 fts_options |= FTS_NOSTAT; 365 366 /* 367 * If not -F, -d or -l options, follow any symbolic links listed on 368 * the command line. 369 */ 370 if (!f_longform && !f_listdir && !f_type) 371 fts_options |= FTS_COMFOLLOW; 372 373 /* 374 * If -W, show whiteout entries 375 */ 376 #ifdef FTS_WHITEOUT 377 if (f_whiteout) 378 fts_options |= FTS_WHITEOUT; 379 #endif 380 381 /* If -l or -s, figure out block size. */ 382 if (f_longform || f_size) { 383 if (f_kblocks) 384 blocksize = 2; 385 else { 386 getbsize(¬used, &blocksize); 387 blocksize /= 512; 388 } 389 } 390 /* Select a sort function. */ 391 if (f_reversesort) { 392 if (!f_timesort) 393 sortfcn = revnamecmp; 394 else if (f_accesstime) 395 sortfcn = revacccmp; 396 else if (f_statustime) 397 sortfcn = revstatcmp; 398 else /* Use modification time. */ 399 sortfcn = revmodcmp; 400 } else { 401 if (!f_timesort) 402 sortfcn = namecmp; 403 else if (f_accesstime) 404 sortfcn = acccmp; 405 else if (f_statustime) 406 sortfcn = statcmp; 407 else /* Use modification time. */ 408 sortfcn = modcmp; 409 } 410 411 /* Select a print function. */ 412 if (f_singlecol) 413 printfcn = printscol; 414 else if (f_longform) 415 printfcn = printlong; 416 else if (f_stream) 417 printfcn = printstream; 418 else 419 printfcn = printcol; 420 421 if (argc) 422 traverse(argc, argv, fts_options); 423 else 424 traverse(1, dotav, fts_options); 425 exit(rval); 426 } 427 428 static int output; /* If anything output. */ 429 430 /* 431 * Traverse() walks the logical directory structure specified by the argv list 432 * in the order specified by the mastercmp() comparison function. During the 433 * traversal it passes linked lists of structures to display() which represent 434 * a superset (may be exact set) of the files to be displayed. 435 */ 436 static void 437 traverse(int argc, char *argv[], int options) 438 { 439 FTS *ftsp; 440 FTSENT *p, *chp; 441 int ch_options; 442 443 if ((ftsp = 444 fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL) 445 err(1, "fts_open"); 446 447 /* 448 * We ignore errors from fts_children here since they will be 449 * replicated and signalled on the next call to fts_read() below. 450 */ 451 chp = fts_children(ftsp, 0); 452 if (chp != NULL) 453 display(NULL, chp); 454 if (f_listdir) 455 return; 456 457 /* 458 * If not recursing down this tree and don't need stat info, just get 459 * the names. 460 */ 461 ch_options = !f_recursive && options & FTS_NOSTAT ? FTS_NAMEONLY : 0; 462 463 while ((p = fts_read(ftsp)) != NULL) 464 switch (p->fts_info) { 465 case FTS_DC: 466 warnx("%s: directory causes a cycle", p->fts_name); 467 break; 468 case FTS_DNR: 469 case FTS_ERR: 470 warnx("%s: %s", p->fts_name, strerror(p->fts_errno)); 471 rval = 1; 472 break; 473 case FTS_D: 474 if (p->fts_level != FTS_ROOTLEVEL && 475 p->fts_name[0] == '.' && !f_listdot) 476 break; 477 478 /* 479 * If already output something, put out a newline as 480 * a separator. If multiple arguments, precede each 481 * directory with its name. 482 */ 483 if (output) { 484 putchar('\n'); 485 printname(p->fts_path); 486 puts(":"); 487 } else if (argc > 1) { 488 printname(p->fts_path); 489 puts(":"); 490 output = 1; 491 } 492 chp = fts_children(ftsp, ch_options); 493 display(p, chp); 494 495 if (!f_recursive && chp != NULL) 496 fts_set(ftsp, p, FTS_SKIP); 497 break; 498 default: 499 break; 500 } 501 if (errno) 502 err(1, "fts_read"); 503 } 504 505 /* 506 * Display() takes a linked list of FTSENT structures and passes the list 507 * along with any other necessary information to the print function. P 508 * points to the parent directory of the display list. 509 */ 510 static void 511 display(const FTSENT *p, FTSENT *list) 512 { 513 struct stat *sp; 514 DISPLAY d; 515 FTSENT *cur; 516 NAMES *np; 517 off_t maxsize; 518 u_long btotal, maxlen; 519 int64_t maxblock; 520 ino_t maxinode; 521 nlink_t maxnlink; 522 int bcfile, maxflags; 523 gid_t maxgroup; 524 uid_t maxuser; 525 size_t fsmidlen, flen, ulen, glen; 526 char *initmax; 527 int entries, needstats; 528 const char *user, *group; 529 char *flags; 530 int64_t fsmid; 531 char buf[STRBUF_SIZEOF(u_quad_t) + 1]; 532 char ngroup[STRBUF_SIZEOF(uid_t) + 1]; 533 char nuser[STRBUF_SIZEOF(gid_t) + 1]; 534 535 needstats = f_inode || f_longform || f_size; 536 flen = 0; 537 btotal = 0; 538 initmax = getenv("LS_COLWIDTHS"); 539 /* Fields match -lios order. New ones should be added at the end. */ 540 maxblock = maxinode = maxlen = maxnlink = 541 maxuser = maxgroup = maxflags = maxsize = 0; 542 if (initmax != NULL && *initmax != '\0') { 543 char *initmax2, *jinitmax; 544 int ninitmax; 545 546 /* Fill-in "::" as "0:0:0" for the sake of scanf. */ 547 jinitmax = malloc(strlen(initmax) * 2 + 2); 548 if (jinitmax == NULL) 549 err(1, "malloc"); 550 initmax2 = jinitmax; 551 if (*initmax == ':') 552 strcpy(initmax2, "0:"), initmax2 += 2; 553 else 554 *initmax2++ = *initmax, *initmax2 = '\0'; 555 for (initmax++; *initmax != '\0'; initmax++) { 556 if (initmax[-1] == ':' && initmax[0] == ':') { 557 *initmax2++ = '0'; 558 *initmax2++ = initmax[0]; 559 initmax2[1] = '\0'; 560 } else { 561 *initmax2++ = initmax[0]; 562 initmax2[1] = '\0'; 563 } 564 } 565 if (initmax2[-1] == ':') 566 strcpy(initmax2, "0"); 567 568 ninitmax = sscanf(jinitmax, 569 " %llu : %lli : %u : %i : %i : %i : %llu : %lu ", 570 &maxinode, &maxblock, &maxnlink, &maxuser, 571 &maxgroup, &maxflags, &maxsize, &maxlen); 572 f_notabs = 1; 573 switch (ninitmax) { 574 case 0: 575 maxinode = 0; 576 /* FALLTHROUGH */ 577 case 1: 578 maxblock = 0; 579 /* FALLTHROUGH */ 580 case 2: 581 maxnlink = 0; 582 /* FALLTHROUGH */ 583 case 3: 584 maxuser = 0; 585 /* FALLTHROUGH */ 586 case 4: 587 maxgroup = 0; 588 /* FALLTHROUGH */ 589 case 5: 590 maxflags = 0; 591 /* FALLTHROUGH */ 592 case 6: 593 maxsize = 0; 594 /* FALLTHROUGH */ 595 case 7: 596 maxlen = 0; 597 /* FALLTHROUGH */ 598 #ifdef COLORLS 599 if (!f_color) 600 #endif 601 f_notabs = 0; 602 /* FALLTHROUGH */ 603 default: 604 break; 605 } 606 MAKENINES(maxinode); 607 MAKENINES(maxblock); 608 MAKENINES(maxnlink); 609 MAKENINES(maxsize); 610 free(jinitmax); 611 } 612 bcfile = 0; 613 flags = NULL; 614 for (cur = list, entries = 0; cur; cur = cur->fts_link) { 615 if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) { 616 warnx("%s: %s", 617 cur->fts_name, strerror(cur->fts_errno)); 618 cur->fts_number = NO_PRINT; 619 rval = 1; 620 continue; 621 } 622 /* 623 * P is NULL if list is the argv list, to which different rules 624 * apply. 625 */ 626 if (p == NULL) { 627 /* Directories will be displayed later. */ 628 if (cur->fts_info == FTS_D && !f_listdir) { 629 cur->fts_number = NO_PRINT; 630 continue; 631 } 632 } else { 633 /* Only display dot file if -a/-A set. */ 634 if (cur->fts_name[0] == '.' && !f_listdot) { 635 cur->fts_number = NO_PRINT; 636 continue; 637 } 638 } 639 if (cur->fts_namelen > maxlen) 640 maxlen = cur->fts_namelen; 641 if (f_octal || f_octal_escape) { 642 u_long t = len_octal(cur->fts_name, cur->fts_namelen); 643 644 if (t > maxlen) 645 maxlen = t; 646 } 647 if (needstats) { 648 sp = cur->fts_statp; 649 if (sp->st_blocks > maxblock) 650 maxblock = sp->st_blocks; 651 if (sp->st_ino > maxinode) 652 maxinode = sp->st_ino; 653 if (sp->st_nlink > maxnlink) 654 maxnlink = sp->st_nlink; 655 if (sp->st_size > maxsize) 656 maxsize = sp->st_size; 657 658 btotal += sp->st_blocks; 659 if (f_longform) { 660 if (f_numericonly) { 661 snprintf(nuser, sizeof(nuser), 662 "%u", sp->st_uid); 663 snprintf(ngroup, sizeof(ngroup), 664 "%u", sp->st_gid); 665 user = nuser; 666 group = ngroup; 667 } else { 668 user = user_from_uid(sp->st_uid, 0); 669 group = group_from_gid(sp->st_gid, 0); 670 } 671 if ((ulen = strlen(user)) > maxuser) 672 maxuser = ulen; 673 if ((glen = strlen(group)) > maxgroup) 674 maxgroup = glen; 675 if (f_flags) { 676 flags = fflagstostr(sp->st_flags); 677 if (flags != NULL && *flags == '\0') { 678 free(flags); 679 flags = strdup("-"); 680 } 681 if (flags == NULL) 682 err(1, "flagstostr"); 683 flen = strlen(flags); 684 if (flen > (size_t)maxflags) 685 maxflags = flen; 686 } else { 687 flen = 0; 688 } 689 #ifdef _ST_FSMID_PRESENT_ 690 if (f_fsmid) { 691 fsmid = sp->st_fsmid; 692 fsmidlen = 18; 693 } else { 694 fsmid = 0; 695 fsmidlen = 0; 696 } 697 #else 698 fsmidlen = 0; 699 #endif 700 701 if ((np = malloc(sizeof(NAMES) + 702 ulen + glen + flen + fsmidlen + 4)) == NULL) 703 err(1, "malloc"); 704 705 np->user = &np->data[0]; 706 strcpy(np->user, user); 707 np->group = &np->data[ulen + 1]; 708 strcpy(np->group, group); 709 710 if (S_ISCHR(sp->st_mode) || 711 S_ISBLK(sp->st_mode)) 712 bcfile = 1; 713 714 if (f_flags) { 715 np->flags = &np->data[ulen + glen + 2]; 716 strcpy(np->flags, flags); 717 free(flags); 718 } 719 #ifdef _ST_FSMID_PRESENT_ 720 if (f_fsmid) { 721 np->fsmid = np->data + ulen + glen + flen + 3; 722 snprintf(np->fsmid, fsmidlen + 1, 723 "%016llx", fsmid); 724 } 725 #endif 726 cur->fts_pointer = np; 727 } 728 } 729 ++entries; 730 } 731 732 /* 733 * If there are no entries to display, we normally stop right 734 * here. However, we must continue if we have to display the 735 * total block count. In this case, we display the total only 736 * on the second (p != NULL) pass. 737 */ 738 if (!entries && (!(f_longform || f_size) || p == NULL)) 739 return; 740 741 d.list = list; 742 d.entries = entries; 743 d.maxlen = maxlen; 744 if (needstats) { 745 d.bcfile = bcfile; 746 d.btotal = btotal; 747 snprintf(buf, sizeof(buf), "%lli", maxblock); 748 d.s_block = strlen(buf); 749 d.s_flags = maxflags; 750 d.s_group = maxgroup; 751 snprintf(buf, sizeof(buf), "%llu", maxinode); 752 d.s_inode = strlen(buf); 753 snprintf(buf, sizeof(buf), "%u", maxnlink); 754 d.s_nlink = strlen(buf); 755 snprintf(buf, sizeof(buf), "%llu", maxsize); 756 d.s_size = strlen(buf); 757 d.s_user = maxuser; 758 } 759 printfcn(&d); 760 output = 1; 761 762 if (f_longform) 763 for (cur = list; cur; cur = cur->fts_link) 764 free(cur->fts_pointer); 765 } 766 767 /* 768 * Ordering for mastercmp: 769 * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories 770 * as larger than directories. Within either group, use the sort function. 771 * All other levels use the sort function. Error entries remain unsorted. 772 */ 773 static int 774 mastercmp(const FTSENT **a, const FTSENT **b) 775 { 776 int a_info, b_info; 777 778 a_info = (*a)->fts_info; 779 if (a_info == FTS_ERR) 780 return (0); 781 b_info = (*b)->fts_info; 782 if (b_info == FTS_ERR) 783 return (0); 784 785 if (a_info == FTS_NS || b_info == FTS_NS) 786 return (namecmp(*a, *b)); 787 788 if (a_info != b_info && 789 (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) { 790 if (a_info == FTS_D) 791 return (1); 792 if (b_info == FTS_D) 793 return (-1); 794 } 795 return (sortfcn(*a, *b)); 796 } 797