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_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 int f_slash; /* similar to f_type, but only for dirs */ 116 int f_sortsize; /* Sort by size */ 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 /* 168 * Root is -A automatically. Turn off if -I specified. 169 */ 170 if (getuid() == 0) 171 f_listdot = 1; 172 173 fts_options = FTS_PHYSICAL; 174 while ((ch = getopt(argc, argv, "1ABCFGHILPSRTWabcdfghiklmnopqrstuwxy")) 175 != -1) { 176 switch (ch) { 177 /* 178 * The -1, -C, -x and -l options all override each other so 179 * shell aliasing works right. 180 */ 181 case '1': 182 f_singlecol = 1; 183 f_longform = 0; 184 f_stream = 0; 185 break; 186 case 'B': 187 f_nonprint = 0; 188 f_octal = 1; 189 f_octal_escape = 0; 190 break; 191 case 'C': 192 f_sortacross = f_longform = f_singlecol = 0; 193 break; 194 case 'l': 195 f_longform = 1; 196 f_singlecol = 0; 197 f_stream = 0; 198 break; 199 case 'x': 200 f_sortacross = 1; 201 f_longform = 0; 202 f_singlecol = 0; 203 break; 204 case 'y': 205 #ifdef _ST_FSMID_PRESENT_ 206 f_fsmid = 1; 207 #endif 208 break; 209 /* The -c and -u options override each other. */ 210 case 'c': 211 f_statustime = 1; 212 f_accesstime = 0; 213 break; 214 case 'u': 215 f_accesstime = 1; 216 f_statustime = 0; 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 case 'S': 245 f_sortsize = 1; 246 break; 247 case 'f': 248 f_nosort = 1; 249 /* FALLTHROUGH */ 250 case 'a': 251 fts_options |= FTS_SEEDOT; 252 /* FALLTHROUGH */ 253 case 'A': 254 f_listdot = 1; 255 break; 256 /* The -d option turns off the -R option. */ 257 case 'd': 258 f_listdir = 1; 259 f_recursive = 0; 260 break; 261 case 'g': /* Compatibility with 4.3BSD. */ 262 break; 263 case 'h': 264 f_humanval = 1; 265 break; 266 case 'i': 267 f_inode = 1; 268 break; 269 case 'k': 270 f_humanval = 0; 271 f_kblocks = 1; 272 break; 273 case 'm': 274 f_stream = 1; 275 f_singlecol = 0; 276 f_longform = 0; 277 break; 278 case 'n': 279 f_numericonly = 1; 280 break; 281 case 'o': 282 f_flags = 1; 283 break; 284 case 'p': 285 f_slash = 1; 286 f_type = 1; 287 break; 288 case 'q': 289 f_nonprint = 1; 290 f_octal = 0; 291 f_octal_escape = 0; 292 break; 293 case 'r': 294 f_reversesort = 1; 295 break; 296 case 's': 297 f_size = 1; 298 break; 299 case 'T': 300 f_sectime = 1; 301 break; 302 case 't': 303 f_timesort = 1; 304 break; 305 case 'W': 306 f_whiteout = 1; 307 break; 308 case 'b': 309 f_nonprint = 0; 310 f_octal = 0; 311 f_octal_escape = 1; 312 break; 313 case 'w': 314 f_nonprint = 0; 315 f_octal = 0; 316 f_octal_escape = 0; 317 break; 318 default: 319 case '?': 320 usage(); 321 } 322 } 323 argc -= optind; 324 argv += optind; 325 326 /* Enabling of colours is conditional on the environment. */ 327 if (getenv("CLICOLOR") && 328 (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE"))) 329 #ifdef COLORLS 330 if (tgetent(termcapbuf, getenv("TERM")) == 1) { 331 ansi_fgcol = tgetstr("AF", &bp); 332 ansi_bgcol = tgetstr("AB", &bp); 333 attrs_off = tgetstr("me", &bp); 334 enter_bold = tgetstr("md", &bp); 335 336 /* To switch colours off use 'op' if 337 * available, otherwise use 'oc', or 338 * don't do colours at all. */ 339 ansi_coloff = tgetstr("op", &bp); 340 if (!ansi_coloff) 341 ansi_coloff = tgetstr("oc", &bp); 342 if (ansi_fgcol && ansi_bgcol && ansi_coloff) 343 f_color = 1; 344 } 345 #else 346 fprintf(stderr, "Color support not compiled in.\n"); 347 #endif /*COLORLS*/ 348 349 #ifdef COLORLS 350 if (f_color) { 351 /* 352 * We can't put tabs and color sequences together: 353 * column number will be incremented incorrectly 354 * for "stty oxtabs" mode. 355 */ 356 f_notabs = 1; 357 signal(SIGINT, colorquit); 358 signal(SIGQUIT, colorquit); 359 parsecolors(getenv("LSCOLORS")); 360 } 361 #endif 362 363 /* 364 * If not -F, -i, -l, -s, -S or -t options, don't require stat 365 * information, unless in color mode in which case we do 366 * need this to determine which colors to display. 367 */ 368 if (!f_inode && !f_longform && !f_size && !f_sortsize && !f_timesort 369 && !f_type 370 #ifdef COLORLS 371 && !f_color 372 #endif 373 ) 374 fts_options |= FTS_NOSTAT; 375 376 /* 377 * If not -F, -d or -l options, follow any symbolic links listed on 378 * the command line. 379 */ 380 if (!f_longform && !f_listdir && !f_type) 381 fts_options |= FTS_COMFOLLOW; 382 383 /* 384 * If -W, show whiteout entries 385 */ 386 #ifdef FTS_WHITEOUT 387 if (f_whiteout) 388 fts_options |= FTS_WHITEOUT; 389 #endif 390 391 /* If -l or -s, figure out block size. */ 392 if (f_longform || f_size) { 393 if (f_kblocks) 394 blocksize = 2; 395 else { 396 getbsize(¬used, &blocksize); 397 blocksize /= 512; 398 } 399 } 400 /* Select a sort function. */ 401 if (f_reversesort) { 402 if (!f_timesort) 403 sortfcn = revnamecmp; 404 else if (f_accesstime) 405 sortfcn = revacccmp; 406 else if (f_sortsize) 407 sortfcn = revsizecmp; 408 else if (f_statustime) 409 sortfcn = revstatcmp; 410 else /* Use modification time. */ 411 sortfcn = revmodcmp; 412 } else { 413 if (!f_timesort) 414 sortfcn = namecmp; 415 else if (f_accesstime) 416 sortfcn = acccmp; 417 else if (f_sortsize) 418 sortfcn = sizecmp; 419 else if (f_statustime) 420 sortfcn = statcmp; 421 else /* Use modification time. */ 422 sortfcn = modcmp; 423 } 424 425 /* Select a print function. */ 426 if (f_singlecol) 427 printfcn = printscol; 428 else if (f_longform) 429 printfcn = printlong; 430 else if (f_stream) 431 printfcn = printstream; 432 else 433 printfcn = printcol; 434 435 if (argc) 436 traverse(argc, argv, fts_options); 437 else 438 traverse(1, dotav, fts_options); 439 exit(rval); 440 } 441 442 static int output; /* If anything output. */ 443 444 /* 445 * Traverse() walks the logical directory structure specified by the argv list 446 * in the order specified by the mastercmp() comparison function. During the 447 * traversal it passes linked lists of structures to display() which represent 448 * a superset (may be exact set) of the files to be displayed. 449 */ 450 static void 451 traverse(int argc, char *argv[], int options) 452 { 453 FTS *ftsp; 454 FTSENT *p, *chp; 455 int ch_options, error; 456 457 if ((ftsp = 458 fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL) 459 err(1, "fts_open"); 460 461 /* 462 * We ignore errors from fts_children here since they will be 463 * replicated and signalled on the next call to fts_read() below. 464 */ 465 chp = fts_children(ftsp, 0); 466 if (chp != NULL) 467 display(NULL, chp); 468 if (f_listdir) { 469 fts_close(ftsp); 470 return; 471 } 472 473 /* 474 * If not recursing down this tree and don't need stat info, just get 475 * the names. 476 */ 477 ch_options = !f_recursive && options & FTS_NOSTAT ? FTS_NAMEONLY : 0; 478 479 while ((p = fts_read(ftsp)) != NULL) 480 switch (p->fts_info) { 481 case FTS_DC: 482 warnx("%s: directory causes a cycle", p->fts_name); 483 break; 484 case FTS_DNR: 485 case FTS_ERR: 486 warnx("%s: %s", p->fts_name, strerror(p->fts_errno)); 487 rval = 1; 488 break; 489 case FTS_D: 490 if (p->fts_level != FTS_ROOTLEVEL && 491 p->fts_name[0] == '.' && !f_listdot) 492 break; 493 494 /* 495 * If already output something, put out a newline as 496 * a separator. If multiple arguments, precede each 497 * directory with its name. 498 */ 499 if (output) { 500 putchar('\n'); 501 printname(p->fts_path); 502 puts(":"); 503 } else if (argc > 1) { 504 printname(p->fts_path); 505 puts(":"); 506 output = 1; 507 } 508 chp = fts_children(ftsp, ch_options); 509 display(p, chp); 510 511 if (!f_recursive && chp != NULL) 512 fts_set(ftsp, p, FTS_SKIP); 513 break; 514 default: 515 break; 516 } 517 error = errno; 518 fts_close(ftsp); 519 errno = error; 520 if (errno) 521 err(1, "fts_read"); 522 } 523 524 /* 525 * Display() takes a linked list of FTSENT structures and passes the list 526 * along with any other necessary information to the print function. P 527 * points to the parent directory of the display list. 528 */ 529 static void 530 display(const FTSENT *p, FTSENT *list) 531 { 532 struct stat *sp; 533 DISPLAY d; 534 FTSENT *cur; 535 NAMES *np; 536 off_t maxsize; 537 u_long btotal, maxlen; 538 int64_t maxblock; 539 ino_t maxinode; 540 nlink_t maxnlink; 541 int bcfile, maxflags; 542 gid_t maxgroup; 543 uid_t maxuser; 544 size_t fsmidlen, flen, ulen, glen; 545 char *initmax; 546 int entries, needstats; 547 const char *user, *group; 548 char *flags; 549 #ifdef _ST_FSMID_PRESENT_ 550 int64_t fsmid; 551 #endif 552 char buf[STRBUF_SIZEOF(u_quad_t) + 1]; 553 char ngroup[STRBUF_SIZEOF(uid_t) + 1]; 554 char nuser[STRBUF_SIZEOF(gid_t) + 1]; 555 556 needstats = f_inode || f_longform || f_size; 557 btotal = 0; 558 initmax = getenv("LS_COLWIDTHS"); 559 /* Fields match -lios order. New ones should be added at the end. */ 560 maxblock = maxinode = maxlen = maxnlink = 561 maxuser = maxgroup = maxflags = maxsize = 0; 562 if (initmax != NULL && *initmax != '\0') { 563 char *initmax2, *jinitmax; 564 int ninitmax; 565 566 /* Fill-in "::" as "0:0:0" for the sake of scanf. */ 567 jinitmax = malloc(strlen(initmax) * 2 + 2); 568 if (jinitmax == NULL) 569 err(1, "malloc"); 570 initmax2 = jinitmax; 571 if (*initmax == ':') 572 strcpy(initmax2, "0:"), initmax2 += 2; 573 else 574 *initmax2++ = *initmax, *initmax2 = '\0'; 575 for (initmax++; *initmax != '\0'; initmax++) { 576 if (initmax[-1] == ':' && initmax[0] == ':') { 577 *initmax2++ = '0'; 578 *initmax2++ = initmax[0]; 579 initmax2[1] = '\0'; 580 } else { 581 *initmax2++ = initmax[0]; 582 initmax2[1] = '\0'; 583 } 584 } 585 if (initmax2[-1] == ':') 586 strcpy(initmax2, "0"); 587 588 ninitmax = sscanf(jinitmax, 589 " %ju : %jd : %u : %i : %i : %i : %jd : %lu ", 590 &maxinode, &maxblock, &maxnlink, &maxuser, 591 &maxgroup, &maxflags, &maxsize, &maxlen); 592 f_notabs = 1; 593 switch (ninitmax) { 594 case 0: 595 maxinode = 0; 596 /* FALLTHROUGH */ 597 case 1: 598 maxblock = 0; 599 /* FALLTHROUGH */ 600 case 2: 601 maxnlink = 0; 602 /* FALLTHROUGH */ 603 case 3: 604 maxuser = 0; 605 /* FALLTHROUGH */ 606 case 4: 607 maxgroup = 0; 608 /* FALLTHROUGH */ 609 case 5: 610 maxflags = 0; 611 /* FALLTHROUGH */ 612 case 6: 613 maxsize = 0; 614 /* FALLTHROUGH */ 615 case 7: 616 maxlen = 0; 617 /* FALLTHROUGH */ 618 #ifdef COLORLS 619 if (!f_color) 620 #endif 621 f_notabs = 0; 622 /* FALLTHROUGH */ 623 default: 624 break; 625 } 626 MAKENINES(maxinode); 627 MAKENINES(maxblock); 628 MAKENINES(maxnlink); 629 MAKENINES(maxsize); 630 free(jinitmax); 631 } 632 bcfile = 0; 633 flags = NULL; 634 for (cur = list, entries = 0; cur; cur = cur->fts_link) { 635 if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) { 636 warnx("%s: %s", 637 cur->fts_name, strerror(cur->fts_errno)); 638 cur->fts_number = NO_PRINT; 639 rval = 1; 640 continue; 641 } 642 /* 643 * P is NULL if list is the argv list, to which different rules 644 * apply. 645 */ 646 if (p == NULL) { 647 /* Directories will be displayed later. */ 648 if (cur->fts_info == FTS_D && !f_listdir) { 649 cur->fts_number = NO_PRINT; 650 continue; 651 } 652 } else { 653 /* Only display dot file if -a/-A set. */ 654 if (cur->fts_name[0] == '.' && !f_listdot) { 655 cur->fts_number = NO_PRINT; 656 continue; 657 } 658 } 659 if (cur->fts_namelen > maxlen) 660 maxlen = cur->fts_namelen; 661 if (f_octal || f_octal_escape) { 662 u_long t = len_octal(cur->fts_name, cur->fts_namelen); 663 664 if (t > maxlen) 665 maxlen = t; 666 } 667 if (needstats) { 668 sp = cur->fts_statp; 669 if (sp->st_blocks > maxblock) 670 maxblock = sp->st_blocks; 671 if (sp->st_ino > maxinode) 672 maxinode = sp->st_ino; 673 if (sp->st_nlink > maxnlink) 674 maxnlink = sp->st_nlink; 675 if (sp->st_size > maxsize) 676 maxsize = sp->st_size; 677 678 btotal += sp->st_blocks; 679 if (f_longform) { 680 if (f_numericonly) { 681 snprintf(nuser, sizeof(nuser), 682 "%u", sp->st_uid); 683 snprintf(ngroup, sizeof(ngroup), 684 "%u", sp->st_gid); 685 user = nuser; 686 group = ngroup; 687 } else { 688 user = user_from_uid(sp->st_uid, 0); 689 group = group_from_gid(sp->st_gid, 0); 690 } 691 if ((ulen = strlen(user)) > maxuser) 692 maxuser = ulen; 693 if ((glen = strlen(group)) > maxgroup) 694 maxgroup = glen; 695 if (f_flags) { 696 flags = fflagstostr(sp->st_flags); 697 if (flags != NULL && *flags == '\0') { 698 free(flags); 699 flags = strdup("-"); 700 } 701 if (flags == NULL) 702 err(1, "flagstostr"); 703 flen = strlen(flags); 704 if (flen > (size_t)maxflags) 705 maxflags = flen; 706 } else { 707 flen = 0; 708 } 709 #ifdef _ST_FSMID_PRESENT_ 710 if (f_fsmid) { 711 fsmid = sp->st_fsmid; 712 fsmidlen = 18; 713 } else { 714 fsmid = 0; 715 fsmidlen = 0; 716 } 717 #else 718 fsmidlen = 0; 719 #endif 720 721 if ((np = malloc(sizeof(NAMES) + 722 ulen + glen + flen + fsmidlen + 4)) == NULL) 723 err(1, "malloc"); 724 725 np->user = &np->data[0]; 726 strcpy(np->user, user); 727 np->group = &np->data[ulen + 1]; 728 strcpy(np->group, group); 729 730 if (S_ISCHR(sp->st_mode) || 731 S_ISBLK(sp->st_mode)) 732 bcfile = 1; 733 734 if (f_flags) { 735 np->flags = &np->data[ulen + glen + 2]; 736 strcpy(np->flags, flags); 737 free(flags); 738 } 739 #ifdef _ST_FSMID_PRESENT_ 740 if (f_fsmid) { 741 np->fsmid = np->data + ulen + glen + flen + 3; 742 snprintf(np->fsmid, fsmidlen + 1, 743 "%016jx", (intmax_t)fsmid); 744 } 745 #endif 746 cur->fts_pointer = np; 747 } 748 } 749 ++entries; 750 } 751 752 /* 753 * If there are no entries to display, we normally stop right 754 * here. However, we must continue if we have to display the 755 * total block count. In this case, we display the total only 756 * on the second (p != NULL) pass. 757 */ 758 if (!entries && (!(f_longform || f_size) || p == NULL)) 759 return; 760 761 d.list = list; 762 d.entries = entries; 763 d.maxlen = maxlen; 764 if (needstats) { 765 d.bcfile = bcfile; 766 d.btotal = btotal; 767 snprintf(buf, sizeof(buf), "%ji", (intmax_t)maxblock); 768 d.s_block = strlen(buf); 769 d.s_flags = maxflags; 770 d.s_group = maxgroup; 771 snprintf(buf, sizeof(buf), "%ju", (uintmax_t)maxinode); 772 d.s_inode = strlen(buf); 773 snprintf(buf, sizeof(buf), "%u", maxnlink); 774 d.s_nlink = strlen(buf); 775 snprintf(buf, sizeof(buf), "%jd", (intmax_t)maxsize); 776 d.s_size = strlen(buf); 777 d.s_user = maxuser; 778 } 779 printfcn(&d); 780 output = 1; 781 782 if (f_longform) 783 for (cur = list; cur; cur = cur->fts_link) 784 free(cur->fts_pointer); 785 } 786 787 /* 788 * Ordering for mastercmp: 789 * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories 790 * as larger than directories. Within either group, use the sort function. 791 * All other levels use the sort function. Error entries remain unsorted. 792 */ 793 static int 794 mastercmp(const FTSENT * const *a, const FTSENT * const *b) 795 { 796 int a_info, b_info; 797 798 a_info = (*a)->fts_info; 799 if (a_info == FTS_ERR) 800 return (0); 801 b_info = (*b)->fts_info; 802 if (b_info == FTS_ERR) 803 return (0); 804 805 if (a_info == FTS_NS || b_info == FTS_NS) 806 return (namecmp(*a, *b)); 807 808 if (a_info != b_info && 809 (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) { 810 if (a_info == FTS_D) 811 return (1); 812 if (b_info == FTS_D) 813 return (-1); 814 } 815 return (sortfcn(*a, *b)); 816 } 817