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_sizesort; /* 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 /* 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 default: 322 case '?': 323 usage(); 324 } 325 } 326 argc -= optind; 327 argv += optind; 328 329 /* Enabling of colours is conditional on the environment. */ 330 if (getenv("CLICOLOR") && 331 (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE"))) 332 #ifdef COLORLS 333 if (tgetent(termcapbuf, getenv("TERM")) == 1) { 334 ansi_fgcol = tgetstr("AF", &bp); 335 ansi_bgcol = tgetstr("AB", &bp); 336 attrs_off = tgetstr("me", &bp); 337 enter_bold = tgetstr("md", &bp); 338 339 /* To switch colours off use 'op' if 340 * available, otherwise use 'oc', or 341 * don't do colours at all. */ 342 ansi_coloff = tgetstr("op", &bp); 343 if (!ansi_coloff) 344 ansi_coloff = tgetstr("oc", &bp); 345 if (ansi_fgcol && ansi_bgcol && ansi_coloff) 346 f_color = 1; 347 } 348 #else 349 fprintf(stderr, "Color support not compiled in.\n"); 350 #endif /*COLORLS*/ 351 352 #ifdef COLORLS 353 if (f_color) { 354 /* 355 * We can't put tabs and color sequences together: 356 * column number will be incremented incorrectly 357 * for "stty oxtabs" mode. 358 */ 359 f_notabs = 1; 360 signal(SIGINT, colorquit); 361 signal(SIGQUIT, colorquit); 362 parsecolors(getenv("LSCOLORS")); 363 } 364 #endif 365 366 /* 367 * If not -F, -i, -l, -s, -S or -t options, don't require stat 368 * information, unless in color mode in which case we do 369 * need this to determine which colors to display. 370 */ 371 if (!f_inode && !f_longform && !f_size && !f_timesort && 372 !f_sizesort && !f_type 373 #ifdef COLORLS 374 && !f_color 375 #endif 376 ) 377 fts_options |= FTS_NOSTAT; 378 379 /* 380 * If not -F, -d or -l options, follow any symbolic links listed on 381 * the command line. 382 */ 383 if (!f_longform && !f_listdir && !f_type) 384 fts_options |= FTS_COMFOLLOW; 385 386 /* 387 * If -W, show whiteout entries 388 */ 389 #ifdef FTS_WHITEOUT 390 if (f_whiteout) 391 fts_options |= FTS_WHITEOUT; 392 #endif 393 394 /* If -l or -s, figure out block size. */ 395 if (f_longform || f_size) { 396 if (f_kblocks) 397 blocksize = 2; 398 else { 399 getbsize(¬used, &blocksize); 400 blocksize /= 512; 401 } 402 } 403 /* Select a sort function. */ 404 if (f_reversesort) { 405 if (!f_timesort && !f_sizesort) 406 sortfcn = revnamecmp; 407 else if (f_sizesort) 408 sortfcn = revsizecmp; 409 else if (f_accesstime) 410 sortfcn = revacccmp; 411 else if (f_statustime) 412 sortfcn = revstatcmp; 413 else /* Use modification time. */ 414 sortfcn = revmodcmp; 415 } else { 416 if (!f_timesort && !f_sizesort) 417 sortfcn = namecmp; 418 else if (f_sizesort) 419 sortfcn = sizecmp; 420 else if (f_accesstime) 421 sortfcn = acccmp; 422 else if (f_statustime) 423 sortfcn = statcmp; 424 else /* Use modification time. */ 425 sortfcn = modcmp; 426 } 427 428 /* Select a print function. */ 429 if (f_singlecol) 430 printfcn = printscol; 431 else if (f_longform) 432 printfcn = printlong; 433 else if (f_stream) 434 printfcn = printstream; 435 else 436 printfcn = printcol; 437 438 if (argc) 439 traverse(argc, argv, fts_options); 440 else 441 traverse(1, dotav, fts_options); 442 exit(rval); 443 } 444 445 static int output; /* If anything output. */ 446 447 /* 448 * Traverse() walks the logical directory structure specified by the argv list 449 * in the order specified by the mastercmp() comparison function. During the 450 * traversal it passes linked lists of structures to display() which represent 451 * a superset (may be exact set) of the files to be displayed. 452 */ 453 static void 454 traverse(int argc, char *argv[], int options) 455 { 456 FTS *ftsp; 457 FTSENT *p, *chp; 458 int ch_options, error; 459 460 if ((ftsp = 461 fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL) 462 err(1, "fts_open"); 463 464 /* 465 * We ignore errors from fts_children here since they will be 466 * replicated and signalled on the next call to fts_read() below. 467 */ 468 chp = fts_children(ftsp, 0); 469 if (chp != NULL) 470 display(NULL, chp); 471 if (f_listdir) { 472 fts_close(ftsp); 473 return; 474 } 475 476 /* 477 * If not recursing down this tree and don't need stat info, just get 478 * the names. 479 */ 480 ch_options = !f_recursive && options & FTS_NOSTAT ? FTS_NAMEONLY : 0; 481 482 while ((p = fts_read(ftsp)) != NULL) 483 switch (p->fts_info) { 484 case FTS_DC: 485 warnx("%s: directory causes a cycle", p->fts_name); 486 break; 487 case FTS_DNR: 488 case FTS_ERR: 489 warnx("%s: %s", p->fts_name, strerror(p->fts_errno)); 490 rval = 1; 491 break; 492 case FTS_D: 493 if (p->fts_level != FTS_ROOTLEVEL && 494 p->fts_name[0] == '.' && !f_listdot) 495 break; 496 497 /* 498 * If already output something, put out a newline as 499 * a separator. If multiple arguments, precede each 500 * directory with its name. 501 */ 502 if (output) { 503 putchar('\n'); 504 printname(p->fts_path); 505 puts(":"); 506 } else if (argc > 1) { 507 printname(p->fts_path); 508 puts(":"); 509 output = 1; 510 } 511 chp = fts_children(ftsp, ch_options); 512 display(p, chp); 513 514 if (!f_recursive && chp != NULL) 515 fts_set(ftsp, p, FTS_SKIP); 516 break; 517 default: 518 break; 519 } 520 error = errno; 521 fts_close(ftsp); 522 errno = error; 523 if (errno) 524 err(1, "fts_read"); 525 } 526 527 /* 528 * Display() takes a linked list of FTSENT structures and passes the list 529 * along with any other necessary information to the print function. P 530 * points to the parent directory of the display list. 531 */ 532 static void 533 display(const FTSENT *p, FTSENT *list) 534 { 535 struct stat *sp; 536 DISPLAY d; 537 FTSENT *cur; 538 NAMES *np; 539 off_t maxsize; 540 u_long btotal, maxlen; 541 int64_t maxblock; 542 ino_t maxinode; 543 nlink_t maxnlink; 544 int bcfile, maxflags; 545 gid_t maxgroup; 546 uid_t maxuser; 547 size_t fsmidlen, flen, ulen, glen; 548 char *initmax; 549 int entries, needstats; 550 const char *user, *group; 551 char *flags; 552 #ifdef _ST_FSMID_PRESENT_ 553 int64_t fsmid; 554 #endif 555 char buf[STRBUF_SIZEOF(u_quad_t) + 1]; 556 char ngroup[STRBUF_SIZEOF(uid_t) + 1]; 557 char nuser[STRBUF_SIZEOF(gid_t) + 1]; 558 559 needstats = f_inode || f_longform || f_size; 560 btotal = 0; 561 initmax = getenv("LS_COLWIDTHS"); 562 /* Fields match -lios order. New ones should be added at the end. */ 563 maxblock = maxinode = maxlen = maxnlink = 564 maxuser = maxgroup = maxflags = maxsize = 0; 565 if (initmax != NULL && *initmax != '\0') { 566 char *initmax2, *jinitmax; 567 int ninitmax; 568 569 /* Fill-in "::" as "0:0:0" for the sake of scanf. */ 570 jinitmax = malloc(strlen(initmax) * 2 + 2); 571 if (jinitmax == NULL) 572 err(1, "malloc"); 573 initmax2 = jinitmax; 574 if (*initmax == ':') 575 strcpy(initmax2, "0:"), initmax2 += 2; 576 else 577 *initmax2++ = *initmax, *initmax2 = '\0'; 578 for (initmax++; *initmax != '\0'; initmax++) { 579 if (initmax[-1] == ':' && initmax[0] == ':') { 580 *initmax2++ = '0'; 581 *initmax2++ = initmax[0]; 582 initmax2[1] = '\0'; 583 } else { 584 *initmax2++ = initmax[0]; 585 initmax2[1] = '\0'; 586 } 587 } 588 if (initmax2[-1] == ':') 589 strcpy(initmax2, "0"); 590 591 ninitmax = sscanf(jinitmax, 592 " %ju : %jd : %u : %i : %i : %i : %jd : %lu ", 593 &maxinode, &maxblock, &maxnlink, &maxuser, 594 &maxgroup, &maxflags, &maxsize, &maxlen); 595 f_notabs = 1; 596 switch (ninitmax) { 597 case 0: 598 maxinode = 0; 599 /* FALLTHROUGH */ 600 case 1: 601 maxblock = 0; 602 /* FALLTHROUGH */ 603 case 2: 604 maxnlink = 0; 605 /* FALLTHROUGH */ 606 case 3: 607 maxuser = 0; 608 /* FALLTHROUGH */ 609 case 4: 610 maxgroup = 0; 611 /* FALLTHROUGH */ 612 case 5: 613 maxflags = 0; 614 /* FALLTHROUGH */ 615 case 6: 616 maxsize = 0; 617 /* FALLTHROUGH */ 618 case 7: 619 maxlen = 0; 620 /* FALLTHROUGH */ 621 #ifdef COLORLS 622 if (!f_color) 623 #endif 624 f_notabs = 0; 625 /* FALLTHROUGH */ 626 default: 627 break; 628 } 629 MAKENINES(maxinode); 630 MAKENINES(maxblock); 631 MAKENINES(maxnlink); 632 MAKENINES(maxsize); 633 free(jinitmax); 634 } 635 bcfile = 0; 636 flags = NULL; 637 for (cur = list, entries = 0; cur; cur = cur->fts_link) { 638 if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) { 639 warnx("%s: %s", 640 cur->fts_name, strerror(cur->fts_errno)); 641 cur->fts_number = NO_PRINT; 642 rval = 1; 643 continue; 644 } 645 /* 646 * P is NULL if list is the argv list, to which different rules 647 * apply. 648 */ 649 if (p == NULL) { 650 /* Directories will be displayed later. */ 651 if (cur->fts_info == FTS_D && !f_listdir) { 652 cur->fts_number = NO_PRINT; 653 continue; 654 } 655 } else { 656 /* Only display dot file if -a/-A set. */ 657 if (cur->fts_name[0] == '.' && !f_listdot) { 658 cur->fts_number = NO_PRINT; 659 continue; 660 } 661 } 662 if (cur->fts_namelen > maxlen) 663 maxlen = cur->fts_namelen; 664 if (f_octal || f_octal_escape) { 665 u_long t = len_octal(cur->fts_name, cur->fts_namelen); 666 667 if (t > maxlen) 668 maxlen = t; 669 } 670 if (needstats) { 671 sp = cur->fts_statp; 672 if (sp->st_blocks > maxblock) 673 maxblock = sp->st_blocks; 674 if (sp->st_ino > maxinode) 675 maxinode = sp->st_ino; 676 if (sp->st_nlink > maxnlink) 677 maxnlink = sp->st_nlink; 678 if (sp->st_size > maxsize) 679 maxsize = sp->st_size; 680 681 btotal += sp->st_blocks; 682 if (f_longform) { 683 if (f_numericonly) { 684 snprintf(nuser, sizeof(nuser), 685 "%u", sp->st_uid); 686 snprintf(ngroup, sizeof(ngroup), 687 "%u", sp->st_gid); 688 user = nuser; 689 group = ngroup; 690 } else { 691 user = user_from_uid(sp->st_uid, 0); 692 group = group_from_gid(sp->st_gid, 0); 693 } 694 if ((ulen = strlen(user)) > maxuser) 695 maxuser = ulen; 696 if ((glen = strlen(group)) > maxgroup) 697 maxgroup = glen; 698 if (f_flags) { 699 flags = fflagstostr(sp->st_flags); 700 if (flags != NULL && *flags == '\0') { 701 free(flags); 702 flags = strdup("-"); 703 } 704 if (flags == NULL) 705 err(1, "flagstostr"); 706 flen = strlen(flags); 707 if (flen > (size_t)maxflags) 708 maxflags = flen; 709 } else { 710 flen = 0; 711 } 712 #ifdef _ST_FSMID_PRESENT_ 713 if (f_fsmid) { 714 fsmid = sp->st_fsmid; 715 fsmidlen = 18; 716 } else { 717 fsmid = 0; 718 fsmidlen = 0; 719 } 720 #else 721 fsmidlen = 0; 722 #endif 723 724 if ((np = malloc(sizeof(NAMES) + 725 ulen + glen + flen + fsmidlen + 4)) == NULL) 726 err(1, "malloc"); 727 728 np->user = &np->data[0]; 729 strcpy(np->user, user); 730 np->group = &np->data[ulen + 1]; 731 strcpy(np->group, group); 732 733 if (S_ISCHR(sp->st_mode) || 734 S_ISBLK(sp->st_mode)) 735 bcfile = 1; 736 737 if (f_flags) { 738 np->flags = &np->data[ulen + glen + 2]; 739 strcpy(np->flags, flags); 740 free(flags); 741 } 742 #ifdef _ST_FSMID_PRESENT_ 743 if (f_fsmid) { 744 np->fsmid = np->data + ulen + glen + flen + 3; 745 snprintf(np->fsmid, fsmidlen + 1, 746 "%016jx", (intmax_t)fsmid); 747 } 748 #endif 749 cur->fts_pointer = np; 750 } 751 } 752 ++entries; 753 } 754 755 /* 756 * If there are no entries to display, we normally stop right 757 * here. However, we must continue if we have to display the 758 * total block count. In this case, we display the total only 759 * on the second (p != NULL) pass. 760 */ 761 if (!entries && (!(f_longform || f_size) || p == NULL)) 762 return; 763 764 d.list = list; 765 d.entries = entries; 766 d.maxlen = maxlen; 767 if (needstats) { 768 d.bcfile = bcfile; 769 d.btotal = btotal; 770 snprintf(buf, sizeof(buf), "%ji", (intmax_t)maxblock); 771 d.s_block = strlen(buf); 772 d.s_flags = maxflags; 773 d.s_group = maxgroup; 774 snprintf(buf, sizeof(buf), "%ju", (uintmax_t)maxinode); 775 d.s_inode = strlen(buf); 776 snprintf(buf, sizeof(buf), "%u", maxnlink); 777 d.s_nlink = strlen(buf); 778 snprintf(buf, sizeof(buf), "%jd", (intmax_t)maxsize); 779 d.s_size = strlen(buf); 780 d.s_user = maxuser; 781 } 782 printfcn(&d); 783 output = 1; 784 785 if (f_longform) 786 for (cur = list; cur; cur = cur->fts_link) 787 free(cur->fts_pointer); 788 } 789 790 /* 791 * Ordering for mastercmp: 792 * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories 793 * as larger than directories. Within either group, use the sort function. 794 * All other levels use the sort function. Error entries remain unsorted. 795 */ 796 static int 797 mastercmp(const FTSENT * const *a, const FTSENT * const *b) 798 { 799 int a_info, b_info; 800 801 a_info = (*a)->fts_info; 802 if (a_info == FTS_ERR) 803 return (0); 804 b_info = (*b)->fts_info; 805 if (b_info == FTS_ERR) 806 return (0); 807 808 if (a_info == FTS_NS || b_info == FTS_NS) 809 return (namecmp(*a, *b)); 810 811 if (a_info != b_info && 812 (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) { 813 if (a_info == FTS_D) 814 return (1); 815 if (b_info == FTS_D) 816 return (-1); 817 } 818 return (sortfcn(*a, *b)); 819 } 820