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 1.17 2008/01/19 15:33:42 matthias 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 *, const FTSENT * const *); 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_sortsize; /* 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 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 #ifdef COLORLS 144 char termcapbuf[1024]; /* termcap definition buffer */ 145 char tcapbuf[512]; /* capability buffer */ 146 char *bp = tcapbuf; 147 #endif 148 149 setlocale(LC_ALL, ""); 150 151 /* Terminal defaults to -Cq, non-terminal defaults to -1. */ 152 if (isatty(STDOUT_FILENO)) { 153 termwidth = 80; 154 if ((p = getenv("COLUMNS")) != NULL && *p != '\0') 155 termwidth = atoi(p); 156 else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 && 157 win.ws_col > 0) 158 termwidth = win.ws_col; 159 f_nonprint = 1; 160 } else { 161 f_singlecol = 1; 162 /* retrieve environment variable, in case of explicit -C */ 163 p = getenv("COLUMNS"); 164 if (p) 165 termwidth = atoi(p); 166 } 167 168 /* Root is -A automatically. */ 169 if (!getuid()) 170 f_listdot = 1; 171 172 fts_options = FTS_PHYSICAL; 173 while ((ch = getopt(argc, argv, "1ABCFGHLPSRTWabcdfghiklmnopqrstuwxy")) 174 != -1) { 175 switch (ch) { 176 /* 177 * The -1, -C, -x and -l options all override each other so 178 * shell aliasing works right. 179 */ 180 case '1': 181 f_singlecol = 1; 182 f_longform = 0; 183 f_stream = 0; 184 break; 185 case 'B': 186 f_nonprint = 0; 187 f_octal = 1; 188 f_octal_escape = 0; 189 break; 190 case 'C': 191 f_sortacross = f_longform = f_singlecol = 0; 192 break; 193 case 'l': 194 f_longform = 1; 195 f_singlecol = 0; 196 f_stream = 0; 197 break; 198 case 'x': 199 f_sortacross = 1; 200 f_longform = 0; 201 f_singlecol = 0; 202 break; 203 case 'y': 204 #ifdef _ST_FSMID_PRESENT_ 205 f_fsmid = 1; 206 #endif 207 break; 208 /* The -c and -u options override each other. */ 209 case 'c': 210 f_statustime = 1; 211 f_accesstime = 0; 212 break; 213 case 'u': 214 f_accesstime = 1; 215 f_statustime = 0; 216 break; 217 case 'F': 218 f_type = 1; 219 f_slash = 0; 220 break; 221 case 'H': 222 fts_options |= FTS_COMFOLLOW; 223 break; 224 case 'G': 225 if (setenv("CLICOLOR", "", 1) != 0) 226 warn("setenv: cannot set CLICOLOR"); 227 break; 228 case 'L': 229 fts_options &= ~FTS_PHYSICAL; 230 fts_options |= FTS_LOGICAL; 231 break; 232 case 'P': 233 fts_options &= ~FTS_COMFOLLOW; 234 fts_options &= ~FTS_LOGICAL; 235 fts_options |= FTS_PHYSICAL; 236 break; 237 case 'R': 238 f_recursive = 1; 239 break; 240 case 'S': 241 f_sortsize = 1; 242 break; 243 case 'a': 244 fts_options |= FTS_SEEDOT; 245 /* FALLTHROUGH */ 246 case 'A': 247 f_listdot = 1; 248 break; 249 /* The -d option turns off the -R option. */ 250 case 'd': 251 f_listdir = 1; 252 f_recursive = 0; 253 break; 254 case 'f': 255 f_nosort = 1; 256 break; 257 case 'g': /* Compatibility with 4.3BSD. */ 258 break; 259 case 'h': 260 f_humanval = 1; 261 break; 262 case 'i': 263 f_inode = 1; 264 break; 265 case 'k': 266 f_humanval = 0; 267 f_kblocks = 1; 268 break; 269 case 'm': 270 f_stream = 1; 271 f_singlecol = 0; 272 f_longform = 0; 273 break; 274 case 'n': 275 f_numericonly = 1; 276 break; 277 case 'o': 278 f_flags = 1; 279 break; 280 case 'p': 281 f_slash = 1; 282 f_type = 1; 283 break; 284 case 'q': 285 f_nonprint = 1; 286 f_octal = 0; 287 f_octal_escape = 0; 288 break; 289 case 'r': 290 f_reversesort = 1; 291 break; 292 case 's': 293 f_size = 1; 294 break; 295 case 'T': 296 f_sectime = 1; 297 break; 298 case 't': 299 f_timesort = 1; 300 break; 301 case 'W': 302 f_whiteout = 1; 303 break; 304 case 'b': 305 f_nonprint = 0; 306 f_octal = 0; 307 f_octal_escape = 1; 308 break; 309 case 'w': 310 f_nonprint = 0; 311 f_octal = 0; 312 f_octal_escape = 0; 313 break; 314 default: 315 case '?': 316 usage(); 317 } 318 } 319 argc -= optind; 320 argv += optind; 321 322 /* Enabling of colours is conditional on the environment. */ 323 if (getenv("CLICOLOR") && 324 (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE"))) 325 #ifdef COLORLS 326 if (tgetent(termcapbuf, getenv("TERM")) == 1) { 327 ansi_fgcol = tgetstr("AF", &bp); 328 ansi_bgcol = tgetstr("AB", &bp); 329 attrs_off = tgetstr("me", &bp); 330 enter_bold = tgetstr("md", &bp); 331 332 /* To switch colours off use 'op' if 333 * available, otherwise use 'oc', or 334 * don't do colours at all. */ 335 ansi_coloff = tgetstr("op", &bp); 336 if (!ansi_coloff) 337 ansi_coloff = tgetstr("oc", &bp); 338 if (ansi_fgcol && ansi_bgcol && ansi_coloff) 339 f_color = 1; 340 } 341 #else 342 fprintf(stderr, "Color support not compiled in.\n"); 343 #endif /*COLORLS*/ 344 345 #ifdef COLORLS 346 if (f_color) { 347 /* 348 * We can't put tabs and color sequences together: 349 * column number will be incremented incorrectly 350 * for "stty oxtabs" mode. 351 */ 352 f_notabs = 1; 353 signal(SIGINT, colorquit); 354 signal(SIGQUIT, colorquit); 355 parsecolors(getenv("LSCOLORS")); 356 } 357 #endif 358 359 /* 360 * If not -F, -i, -l, -s, -S or -t options, don't require stat 361 * information, unless in color mode in which case we do 362 * need this to determine which colors to display. 363 */ 364 if (!f_inode && !f_longform && !f_size && !f_sortsize && !f_timesort 365 && !f_type 366 #ifdef COLORLS 367 && !f_color 368 #endif 369 ) 370 fts_options |= FTS_NOSTAT; 371 372 /* 373 * If not -F, -d or -l options, follow any symbolic links listed on 374 * the command line. 375 */ 376 if (!f_longform && !f_listdir && !f_type) 377 fts_options |= FTS_COMFOLLOW; 378 379 /* 380 * If -W, show whiteout entries 381 */ 382 #ifdef FTS_WHITEOUT 383 if (f_whiteout) 384 fts_options |= FTS_WHITEOUT; 385 #endif 386 387 /* If -l or -s, figure out block size. */ 388 if (f_longform || f_size) { 389 if (f_kblocks) 390 blocksize = 2; 391 else { 392 getbsize(¬used, &blocksize); 393 blocksize /= 512; 394 } 395 } 396 /* Select a sort function. */ 397 if (f_reversesort) { 398 if (!f_timesort) 399 sortfcn = revnamecmp; 400 else if (f_accesstime) 401 sortfcn = revacccmp; 402 else if (f_sortsize) 403 sortfcn = revsizecmp; 404 else if (f_statustime) 405 sortfcn = revstatcmp; 406 else /* Use modification time. */ 407 sortfcn = revmodcmp; 408 } else { 409 if (!f_timesort) 410 sortfcn = namecmp; 411 else if (f_accesstime) 412 sortfcn = acccmp; 413 else if (f_sortsize) 414 sortfcn = sizecmp; 415 else if (f_statustime) 416 sortfcn = statcmp; 417 else /* Use modification time. */ 418 sortfcn = modcmp; 419 } 420 421 /* Select a print function. */ 422 if (f_singlecol) 423 printfcn = printscol; 424 else if (f_longform) 425 printfcn = printlong; 426 else if (f_stream) 427 printfcn = printstream; 428 else 429 printfcn = printcol; 430 431 if (argc) 432 traverse(argc, argv, fts_options); 433 else 434 traverse(1, dotav, fts_options); 435 exit(rval); 436 } 437 438 static int output; /* If anything output. */ 439 440 /* 441 * Traverse() walks the logical directory structure specified by the argv list 442 * in the order specified by the mastercmp() comparison function. During the 443 * traversal it passes linked lists of structures to display() which represent 444 * a superset (may be exact set) of the files to be displayed. 445 */ 446 static void 447 traverse(int argc, char *argv[], int options) 448 { 449 FTS *ftsp; 450 FTSENT *p, *chp; 451 int ch_options, error; 452 453 if ((ftsp = 454 fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL) 455 err(1, "fts_open"); 456 457 /* 458 * We ignore errors from fts_children here since they will be 459 * replicated and signalled on the next call to fts_read() below. 460 */ 461 chp = fts_children(ftsp, 0); 462 if (chp != NULL) 463 display(NULL, chp); 464 if (f_listdir) { 465 fts_close(ftsp); 466 return; 467 } 468 469 /* 470 * If not recursing down this tree and don't need stat info, just get 471 * the names. 472 */ 473 ch_options = !f_recursive && options & FTS_NOSTAT ? FTS_NAMEONLY : 0; 474 475 while ((p = fts_read(ftsp)) != NULL) 476 switch (p->fts_info) { 477 case FTS_DC: 478 warnx("%s: directory causes a cycle", p->fts_name); 479 break; 480 case FTS_DNR: 481 case FTS_ERR: 482 warnx("%s: %s", p->fts_name, strerror(p->fts_errno)); 483 rval = 1; 484 break; 485 case FTS_D: 486 if (p->fts_level != FTS_ROOTLEVEL && 487 p->fts_name[0] == '.' && !f_listdot) 488 break; 489 490 /* 491 * If already output something, put out a newline as 492 * a separator. If multiple arguments, precede each 493 * directory with its name. 494 */ 495 if (output) { 496 putchar('\n'); 497 printname(p->fts_path); 498 puts(":"); 499 } else if (argc > 1) { 500 printname(p->fts_path); 501 puts(":"); 502 output = 1; 503 } 504 chp = fts_children(ftsp, ch_options); 505 display(p, chp); 506 507 if (!f_recursive && chp != NULL) 508 fts_set(ftsp, p, FTS_SKIP); 509 break; 510 default: 511 break; 512 } 513 error = errno; 514 fts_close(ftsp); 515 errno = error; 516 if (errno) 517 err(1, "fts_read"); 518 } 519 520 /* 521 * Display() takes a linked list of FTSENT structures and passes the list 522 * along with any other necessary information to the print function. P 523 * points to the parent directory of the display list. 524 */ 525 static void 526 display(const FTSENT *p, FTSENT *list) 527 { 528 struct stat *sp; 529 DISPLAY d; 530 FTSENT *cur; 531 NAMES *np; 532 off_t maxsize; 533 u_long btotal, maxlen; 534 int64_t maxblock; 535 ino_t maxinode; 536 nlink_t maxnlink; 537 int bcfile, maxflags; 538 gid_t maxgroup; 539 uid_t maxuser; 540 size_t fsmidlen, flen, ulen, glen; 541 char *initmax; 542 int entries, needstats; 543 const char *user, *group; 544 char *flags; 545 #ifdef _ST_FSMID_PRESENT_ 546 int64_t fsmid; 547 #endif 548 char buf[STRBUF_SIZEOF(u_quad_t) + 1]; 549 char ngroup[STRBUF_SIZEOF(uid_t) + 1]; 550 char nuser[STRBUF_SIZEOF(gid_t) + 1]; 551 552 needstats = f_inode || f_longform || f_size; 553 btotal = 0; 554 initmax = getenv("LS_COLWIDTHS"); 555 /* Fields match -lios order. New ones should be added at the end. */ 556 maxblock = maxinode = maxlen = maxnlink = 557 maxuser = maxgroup = maxflags = maxsize = 0; 558 if (initmax != NULL && *initmax != '\0') { 559 char *initmax2, *jinitmax; 560 int ninitmax; 561 562 /* Fill-in "::" as "0:0:0" for the sake of scanf. */ 563 jinitmax = malloc(strlen(initmax) * 2 + 2); 564 if (jinitmax == NULL) 565 err(1, "malloc"); 566 initmax2 = jinitmax; 567 if (*initmax == ':') 568 strcpy(initmax2, "0:"), initmax2 += 2; 569 else 570 *initmax2++ = *initmax, *initmax2 = '\0'; 571 for (initmax++; *initmax != '\0'; initmax++) { 572 if (initmax[-1] == ':' && initmax[0] == ':') { 573 *initmax2++ = '0'; 574 *initmax2++ = initmax[0]; 575 initmax2[1] = '\0'; 576 } else { 577 *initmax2++ = initmax[0]; 578 initmax2[1] = '\0'; 579 } 580 } 581 if (initmax2[-1] == ':') 582 strcpy(initmax2, "0"); 583 584 ninitmax = sscanf(jinitmax, 585 " %ju : %jd : %u : %i : %i : %i : %jd : %lu ", 586 &maxinode, &maxblock, &maxnlink, &maxuser, 587 &maxgroup, &maxflags, &maxsize, &maxlen); 588 f_notabs = 1; 589 switch (ninitmax) { 590 case 0: 591 maxinode = 0; 592 /* FALLTHROUGH */ 593 case 1: 594 maxblock = 0; 595 /* FALLTHROUGH */ 596 case 2: 597 maxnlink = 0; 598 /* FALLTHROUGH */ 599 case 3: 600 maxuser = 0; 601 /* FALLTHROUGH */ 602 case 4: 603 maxgroup = 0; 604 /* FALLTHROUGH */ 605 case 5: 606 maxflags = 0; 607 /* FALLTHROUGH */ 608 case 6: 609 maxsize = 0; 610 /* FALLTHROUGH */ 611 case 7: 612 maxlen = 0; 613 /* FALLTHROUGH */ 614 #ifdef COLORLS 615 if (!f_color) 616 #endif 617 f_notabs = 0; 618 /* FALLTHROUGH */ 619 default: 620 break; 621 } 622 MAKENINES(maxinode); 623 MAKENINES(maxblock); 624 MAKENINES(maxnlink); 625 MAKENINES(maxsize); 626 free(jinitmax); 627 } 628 bcfile = 0; 629 flags = NULL; 630 for (cur = list, entries = 0; cur; cur = cur->fts_link) { 631 if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) { 632 warnx("%s: %s", 633 cur->fts_name, strerror(cur->fts_errno)); 634 cur->fts_number = NO_PRINT; 635 rval = 1; 636 continue; 637 } 638 /* 639 * P is NULL if list is the argv list, to which different rules 640 * apply. 641 */ 642 if (p == NULL) { 643 /* Directories will be displayed later. */ 644 if (cur->fts_info == FTS_D && !f_listdir) { 645 cur->fts_number = NO_PRINT; 646 continue; 647 } 648 } else { 649 /* Only display dot file if -a/-A set. */ 650 if (cur->fts_name[0] == '.' && !f_listdot) { 651 cur->fts_number = NO_PRINT; 652 continue; 653 } 654 } 655 if (cur->fts_namelen > maxlen) 656 maxlen = cur->fts_namelen; 657 if (f_octal || f_octal_escape) { 658 u_long t = len_octal(cur->fts_name, cur->fts_namelen); 659 660 if (t > maxlen) 661 maxlen = t; 662 } 663 if (needstats) { 664 sp = cur->fts_statp; 665 if (sp->st_blocks > maxblock) 666 maxblock = sp->st_blocks; 667 if (sp->st_ino > maxinode) 668 maxinode = sp->st_ino; 669 if (sp->st_nlink > maxnlink) 670 maxnlink = sp->st_nlink; 671 if (sp->st_size > maxsize) 672 maxsize = sp->st_size; 673 674 btotal += sp->st_blocks; 675 if (f_longform) { 676 if (f_numericonly) { 677 snprintf(nuser, sizeof(nuser), 678 "%u", sp->st_uid); 679 snprintf(ngroup, sizeof(ngroup), 680 "%u", sp->st_gid); 681 user = nuser; 682 group = ngroup; 683 } else { 684 user = user_from_uid(sp->st_uid, 0); 685 group = group_from_gid(sp->st_gid, 0); 686 } 687 if ((ulen = strlen(user)) > maxuser) 688 maxuser = ulen; 689 if ((glen = strlen(group)) > maxgroup) 690 maxgroup = glen; 691 if (f_flags) { 692 flags = fflagstostr(sp->st_flags); 693 if (flags != NULL && *flags == '\0') { 694 free(flags); 695 flags = strdup("-"); 696 } 697 if (flags == NULL) 698 err(1, "flagstostr"); 699 flen = strlen(flags); 700 if (flen > (size_t)maxflags) 701 maxflags = flen; 702 } else { 703 flen = 0; 704 } 705 #ifdef _ST_FSMID_PRESENT_ 706 if (f_fsmid) { 707 fsmid = sp->st_fsmid; 708 fsmidlen = 18; 709 } else { 710 fsmid = 0; 711 fsmidlen = 0; 712 } 713 #else 714 fsmidlen = 0; 715 #endif 716 717 if ((np = malloc(sizeof(NAMES) + 718 ulen + glen + flen + fsmidlen + 4)) == NULL) 719 err(1, "malloc"); 720 721 np->user = &np->data[0]; 722 strcpy(np->user, user); 723 np->group = &np->data[ulen + 1]; 724 strcpy(np->group, group); 725 726 if (S_ISCHR(sp->st_mode) || 727 S_ISBLK(sp->st_mode)) 728 bcfile = 1; 729 730 if (f_flags) { 731 np->flags = &np->data[ulen + glen + 2]; 732 strcpy(np->flags, flags); 733 free(flags); 734 } 735 #ifdef _ST_FSMID_PRESENT_ 736 if (f_fsmid) { 737 np->fsmid = np->data + ulen + glen + flen + 3; 738 snprintf(np->fsmid, fsmidlen + 1, 739 "%016jx", (intmax_t)fsmid); 740 } 741 #endif 742 cur->fts_pointer = np; 743 } 744 } 745 ++entries; 746 } 747 748 /* 749 * If there are no entries to display, we normally stop right 750 * here. However, we must continue if we have to display the 751 * total block count. In this case, we display the total only 752 * on the second (p != NULL) pass. 753 */ 754 if (!entries && (!(f_longform || f_size) || p == NULL)) 755 return; 756 757 d.list = list; 758 d.entries = entries; 759 d.maxlen = maxlen; 760 if (needstats) { 761 d.bcfile = bcfile; 762 d.btotal = btotal; 763 snprintf(buf, sizeof(buf), "%ji", (intmax_t)maxblock); 764 d.s_block = strlen(buf); 765 d.s_flags = maxflags; 766 d.s_group = maxgroup; 767 snprintf(buf, sizeof(buf), "%ju", (uintmax_t)maxinode); 768 d.s_inode = strlen(buf); 769 snprintf(buf, sizeof(buf), "%u", maxnlink); 770 d.s_nlink = strlen(buf); 771 snprintf(buf, sizeof(buf), "%jd", (intmax_t)maxsize); 772 d.s_size = strlen(buf); 773 d.s_user = maxuser; 774 } 775 printfcn(&d); 776 output = 1; 777 778 if (f_longform) 779 for (cur = list; cur; cur = cur->fts_link) 780 free(cur->fts_pointer); 781 } 782 783 /* 784 * Ordering for mastercmp: 785 * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories 786 * as larger than directories. Within either group, use the sort function. 787 * All other levels use the sort function. Error entries remain unsorted. 788 */ 789 static int 790 mastercmp(const FTSENT * const *a, const FTSENT * const *b) 791 { 792 int a_info, b_info; 793 794 a_info = (*a)->fts_info; 795 if (a_info == FTS_ERR) 796 return (0); 797 b_info = (*b)->fts_info; 798 if (b_info == FTS_ERR) 799 return (0); 800 801 if (a_info == FTS_NS || b_info == FTS_NS) 802 return (namecmp(*a, *b)); 803 804 if (a_info != b_info && 805 (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) { 806 if (a_info == FTS_D) 807 return (1); 808 if (b_info == FTS_D) 809 return (-1); 810 } 811 return (sortfcn(*a, *b)); 812 } 813