aboutsummaryrefslogtreecommitdiffstats
path: root/file_cmds/ls/ls.c
diff options
context:
space:
mode:
Diffstat (limited to 'file_cmds/ls/ls.c')
-rw-r--r--file_cmds/ls/ls.c977
1 files changed, 977 insertions, 0 deletions
diff --git a/file_cmds/ls/ls.c b/file_cmds/ls/ls.c
new file mode 100644
index 0000000..e079333
--- /dev/null
+++ b/file_cmds/ls/ls.c
@@ -0,0 +1,977 @@
+/*
+ * Copyright (c) 1989, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Michael Fischbein.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#ifndef lint
+__used static const char copyright[] =
+"@(#) Copyright (c) 1989, 1993, 1994\n\
+ The Regents of the University of California. All rights reserved.\n";
+#endif /* not lint */
+
+#if 0
+#ifndef lint
+static char sccsid[] = "@(#)ls.c 8.5 (Berkeley) 4/2/94";
+#endif /* not lint */
+#endif
+#include <sys/cdefs.h>
+__RCSID("$FreeBSD: src/bin/ls/ls.c,v 1.66 2002/09/21 01:28:36 wollman Exp $");
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+
+#include <dirent.h>
+#include <err.h>
+#include <errno.h>
+#include <fts.h>
+#include <grp.h>
+#include <limits.h>
+#include <locale.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#ifdef COLORLS
+#include <termcap.h>
+#include <signal.h>
+#endif
+#ifdef __APPLE__
+#include <sys/acl.h>
+#include <sys/xattr.h>
+#include <sys/param.h>
+#include <get_compat.h>
+#include <sys/sysctl.h>
+#include <System/sys/fsctl.h>
+#else
+#define COMPAT_MODE(a,b) (1)
+#endif /* __APPLE__ */
+#include "ls.h"
+#include "extern.h"
+
+/*
+ * Upward approximation of the maximum number of characters needed to
+ * represent a value of integral type t as a string, excluding the
+ * NUL terminator, with provision for a sign.
+ */
+#define STRBUF_SIZEOF(t) (1 + CHAR_BIT * sizeof(t) / 3 + 1)
+
+#define IS_DATALESS(sp) (f_dataless && (sp) && ((sp)->st_flags & SF_DATALESS))
+
+static void display(FTSENT *, FTSENT *);
+static u_quad_t makenines(u_quad_t);
+static int mastercmp(const FTSENT **, const FTSENT **);
+static void traverse(int, char **, int);
+
+static void (*printfcn)(DISPLAY *);
+static int (*sortfcn)(const FTSENT *, const FTSENT *);
+
+long blocksize; /* block size units */
+int termwidth = 80; /* default terminal width */
+
+/* flags */
+ int f_accesstime; /* use time of last access */
+ int f_birthtime; /* use time of file birth */
+ int f_flags; /* show flags associated with a file */
+ int f_humanval; /* show human-readable file sizes */
+ int f_inode; /* print inode */
+static int f_kblocks; /* print size in kilobytes */
+static int f_listdir; /* list actual directory, not contents */
+static int f_listdot; /* list files beginning with . */
+ int f_longform; /* long listing format */
+ int f_nonprint; /* show unprintables as ? */
+static int f_nosort; /* don't sort output */
+ int f_notabs; /* don't use tab-separated multi-col output */
+ int f_numericonly; /* don't convert uid/gid to name */
+ int f_octal; /* show unprintables as \xxx */
+ int f_octal_escape; /* like f_octal but use C escapes if possible */
+static int f_recursive; /* ls subdirectories also */
+static int f_reversesort; /* reverse whatever sort is used */
+ int f_sectime; /* print the real time for all files */
+static int f_singlecol; /* use single column output */
+ int f_size; /* list size in short listing */
+ int f_slash; /* similar to f_type, but only for dirs */
+ int f_sortacross; /* sort across rows, not down columns */
+ int f_statustime; /* use time of last mode change */
+ int f_stream; /* stream the output, separate with commas */
+static int f_timesort; /* sort by time vice name */
+static int f_sizesort; /* sort by size */
+ int f_type; /* add type character for non-regular files */
+static int f_whiteout; /* show whiteout entries */
+ int f_acl; /* show ACLs in long listing */
+ int f_xattr; /* show extended attributes in long listing */
+ int f_group; /* show group */
+ int f_owner; /* show owner */
+ int f_dataless; /* distinguish dataless files in long listing,
+ and don't materialize dataless directories. */
+#ifdef COLORLS
+ int f_color; /* add type in color for non-regular files */
+
+char *ansi_bgcol; /* ANSI sequence to set background colour */
+char *ansi_fgcol; /* ANSI sequence to set foreground colour */
+char *ansi_coloff; /* ANSI sequence to reset colours */
+char *attrs_off; /* ANSI sequence to turn off attributes */
+char *enter_bold; /* ANSI sequence to set color to bold mode */
+#endif
+
+static int rval;
+
+int
+main(int argc, char *argv[])
+{
+ static char dot[] = ".", *dotav[] = {dot, NULL};
+ struct winsize win;
+ int ch, fts_options, notused;
+ char *p;
+#ifdef COLORLS
+ char termcapbuf[1024]; /* termcap definition buffer */
+ char tcapbuf[512]; /* capability buffer */
+ char *bp = tcapbuf;
+#endif
+
+ if (argc < 1)
+ usage();
+ (void)setlocale(LC_ALL, "");
+
+ /* Terminal defaults to -Cq, non-terminal defaults to -1. */
+ if (isatty(STDOUT_FILENO)) {
+ termwidth = 80;
+ if ((p = getenv("COLUMNS")) != NULL && *p != '\0')
+ termwidth = atoi(p);
+ else if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) != -1 &&
+ win.ws_col > 0)
+ termwidth = win.ws_col;
+ f_nonprint = 1;
+ } else {
+ f_singlecol = 1;
+ /* retrieve environment variable, in case of explicit -C */
+ p = getenv("COLUMNS");
+ if (p)
+ termwidth = atoi(p);
+ }
+
+ /* Root is -A automatically. */
+ if (!getuid())
+ f_listdot = 1;
+
+ fts_options = FTS_PHYSICAL;
+ while ((ch = getopt(argc, argv, "1@ABCFGHLOPRSTUWabcdefghiklmnopqrstuvwx%"))
+ != -1) {
+ switch (ch) {
+ /*
+ * The -1, -C, -x and -l options all override each other so
+ * shell aliasing works right.
+ */
+ case '1':
+ f_singlecol = 1;
+ f_longform = 0;
+ f_stream = 0;
+ break;
+ case 'B':
+ f_nonprint = 0;
+ f_octal = 1;
+ f_octal_escape = 0;
+ break;
+ case 'C':
+ f_sortacross = f_longform = f_singlecol = 0;
+ break;
+ case 'l':
+ f_longform = 1;
+ f_singlecol = 0;
+ f_stream = 0;
+ break;
+ case 'x':
+ f_sortacross = 1;
+ f_longform = 0;
+ f_singlecol = 0;
+ break;
+ /* The -c and -u options override each other. */
+ case 'c':
+ f_statustime = 1;
+ f_accesstime = f_birthtime = 0;
+ break;
+ case 'u':
+ f_accesstime = 1;
+ f_statustime = f_birthtime = 0;
+ break;
+ case 'U':
+ f_birthtime = 1;
+ f_statustime = f_accesstime = 0;
+ break;
+ case 'F':
+ f_type = 1;
+ f_slash = 0;
+ break;
+ case 'H':
+ if (COMPAT_MODE("bin/ls", "Unix2003")) {
+ fts_options &= ~FTS_LOGICAL;
+ fts_options |= FTS_PHYSICAL;
+ fts_options |= FTS_COMFOLLOWDIR;
+ } else
+ fts_options |= FTS_COMFOLLOW;
+ break;
+ case 'G':
+ setenv("CLICOLOR", "", 1);
+ break;
+ case 'L':
+ fts_options &= ~FTS_PHYSICAL;
+ fts_options |= FTS_LOGICAL;
+ if (COMPAT_MODE("bin/ls", "Unix2003")) {
+ fts_options &= ~(FTS_COMFOLLOW|FTS_COMFOLLOWDIR);
+ }
+ break;
+ case 'P':
+ fts_options &= ~(FTS_COMFOLLOW|FTS_COMFOLLOWDIR);
+ fts_options &= ~FTS_LOGICAL;
+ fts_options |= FTS_PHYSICAL;
+ break;
+ case 'R':
+ f_recursive = 1;
+ break;
+ case 'a':
+ fts_options |= FTS_SEEDOT;
+ /* FALLTHROUGH */
+ case 'A':
+ f_listdot = 1;
+ break;
+ /* The -d option turns off the -R option. */
+ case 'd':
+ f_listdir = 1;
+ f_recursive = 0;
+ break;
+ case 'f':
+ f_nosort = 1;
+ if (COMPAT_MODE("bin/ls", "Unix2003")) {
+ fts_options |= FTS_SEEDOT;
+ f_listdot = 1;
+ }
+ break;
+ case 'g': /* Compatibility with Unix03 */
+ if (COMPAT_MODE("bin/ls", "Unix2003")) {
+ f_group = 1;
+ f_longform = 1;
+ f_singlecol = 0;
+ f_stream = 0;
+ }
+ break;
+ case 'h':
+ f_humanval = 1;
+ break;
+ case 'i':
+ f_inode = 1;
+ break;
+ case 'k':
+ f_kblocks = 1;
+ break;
+ case 'm':
+ f_stream = 1;
+ f_singlecol = 0;
+ f_longform = 0;
+ break;
+ case 'n':
+ f_numericonly = 1;
+ if (COMPAT_MODE("bin/ls", "Unix2003")) {
+ f_longform = 1;
+ f_singlecol = 0;
+ f_stream = 0;
+ }
+ break;
+ case 'o':
+ if (COMPAT_MODE("bin/ls", "Unix2003")) {
+ f_owner = 1;
+ f_longform = 1;
+ f_singlecol = 0;
+ f_stream = 0;
+ } else {
+ f_flags = 1;
+ }
+ break;
+ case 'p':
+ f_slash = 1;
+ f_type = 1;
+ break;
+ case 'q':
+ f_nonprint = 1;
+ f_octal = 0;
+ f_octal_escape = 0;
+ break;
+ case 'r':
+ f_reversesort = 1;
+ break;
+ case 'S':
+ /* Darwin 1.4.1 compatibility */
+ f_sizesort = 1;
+ break;
+ case 's':
+ f_size = 1;
+ break;
+ case 'T':
+ f_sectime = 1;
+ break;
+ case 't':
+ f_timesort = 1;
+ break;
+ case 'W':
+ f_whiteout = 1;
+ break;
+ case 'v':
+ /* Darwin 1.4.1 compatibility */
+ f_nonprint = 0;
+ break;
+ case 'b':
+ f_nonprint = 0;
+ f_octal = 0;
+ f_octal_escape = 1;
+ break;
+ case 'w':
+ f_nonprint = 0;
+ f_octal = 0;
+ f_octal_escape = 0;
+ break;
+ case 'e':
+ f_acl = 1;
+ break;
+ case '@':
+ f_xattr = 1;
+ break;
+ case 'O':
+ f_flags = 1;
+ break;
+ case '%':
+ f_dataless = 1;
+ break;
+ default:
+ case '?':
+ usage();
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ /* Enabling of colours is conditional on the environment. */
+ if (getenv("CLICOLOR") &&
+ (isatty(STDOUT_FILENO) || getenv("CLICOLOR_FORCE")))
+#ifdef COLORLS
+ if (tgetent(termcapbuf, getenv("TERM")) == 1) {
+ ansi_fgcol = tgetstr("AF", &bp);
+ ansi_bgcol = tgetstr("AB", &bp);
+ attrs_off = tgetstr("me", &bp);
+ enter_bold = tgetstr("md", &bp);
+
+ /* To switch colours off use 'op' if
+ * available, otherwise use 'oc', or
+ * don't do colours at all. */
+ ansi_coloff = tgetstr("op", &bp);
+ if (!ansi_coloff)
+ ansi_coloff = tgetstr("oc", &bp);
+ if (ansi_fgcol && ansi_bgcol && ansi_coloff)
+ f_color = 1;
+ }
+#else
+ (void)fprintf(stderr, "Color support not compiled in.\n");
+#endif /*COLORLS*/
+
+#ifdef COLORLS
+ if (f_color) {
+ /*
+ * We can't put tabs and color sequences together:
+ * column number will be incremented incorrectly
+ * for "stty oxtabs" mode.
+ */
+ f_notabs = 1;
+ (void)signal(SIGINT, colorquit);
+ (void)signal(SIGQUIT, colorquit);
+ parsecolors(getenv("LSCOLORS"));
+ }
+#endif
+
+ /*
+ * If not -F, -i, -l, -s, -t or -% options, don't require stat
+ * information, unless in color mode in which case we do
+ * need this to determine which colors to display.
+ */
+ if (!f_inode && !f_longform && !f_size && !f_timesort && !f_type && !f_sizesort && !f_dataless
+#ifdef COLORLS
+ && !f_color
+#endif
+ )
+ fts_options |= FTS_NOSTAT;
+
+ /*
+ * If not -F, -d or -l options, follow any symbolic links listed on
+ * the command line.
+ */
+ if (!f_longform && !f_listdir && !f_type && !f_inode)
+ fts_options |= FTS_COMFOLLOW;
+
+ /*
+ * If -W, show whiteout entries
+ */
+#ifdef FTS_WHITEOUT
+ if (f_whiteout)
+ fts_options |= FTS_WHITEOUT;
+#endif
+
+ /* If -l or -s, figure out block size. */
+ if (f_longform || f_size) {
+ if (f_kblocks)
+ blocksize = 2;
+ else {
+ (void)getbsize(&notused, &blocksize);
+ blocksize /= 512;
+ }
+ }
+ /* Select a sort function. */
+ if (f_reversesort) {
+ if (f_sizesort)
+ sortfcn = revsizecmp;
+ else if (!f_timesort)
+ sortfcn = revnamecmp;
+ else if (f_accesstime)
+ sortfcn = revacccmp;
+ else if (f_statustime)
+ sortfcn = revstatcmp;
+ else if (f_birthtime)
+ sortfcn = revbirthcmp;
+ else /* Use modification time. */
+ sortfcn = revmodcmp;
+ } else {
+ if (f_sizesort)
+ sortfcn = sizecmp;
+ else if (!f_timesort)
+ sortfcn = namecmp;
+ else if (f_accesstime)
+ sortfcn = acccmp;
+ else if (f_statustime)
+ sortfcn = statcmp;
+ else if (f_birthtime)
+ sortfcn = birthcmp;
+ else /* Use modification time. */
+ sortfcn = modcmp;
+ }
+
+ /* Select a print function. */
+ if (f_singlecol)
+ printfcn = printscol;
+ else if (f_longform)
+ printfcn = printlong;
+ else if (f_stream)
+ printfcn = printstream;
+ else
+ printfcn = printcol;
+
+#ifdef __APPLE__
+ if (f_dataless) {
+ // don't materialize dataless directories from the cloud
+ // (particularly usefull when listing recursively)
+ int state = 1;
+ if (sysctlbyname("vfs.nspace.prevent_materialization", NULL, NULL, &state, sizeof(state)) < 0) {
+ err(1, "prevent_materialization");
+ }
+ }
+#endif /* __APPLE__ */
+
+ if (argc)
+ traverse(argc, argv, fts_options);
+ else
+ traverse(1, dotav, fts_options);
+ exit(rval);
+}
+
+static int output; /* If anything output. */
+
+/*
+ * Traverse() walks the logical directory structure specified by the argv list
+ * in the order specified by the mastercmp() comparison function. During the
+ * traversal it passes linked lists of structures to display() which represent
+ * a superset (may be exact set) of the files to be displayed.
+ */
+static void
+traverse(int argc, char *argv[], int options)
+{
+ FTS *ftsp;
+ FTSENT *p, *chp;
+ int ch_options, error;
+
+ if ((ftsp =
+ fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL)
+ err(1, "fts_open");
+
+ display(NULL, fts_children(ftsp, 0));
+ if (f_listdir) {
+ fts_close(ftsp);
+ return;
+ }
+
+ /*
+ * If not recursing down this tree and don't need stat info, just get
+ * the names.
+ */
+ ch_options = !f_recursive && options & FTS_NOSTAT ? FTS_NAMEONLY : 0;
+
+ while ((p = fts_read(ftsp)) != NULL)
+ switch (p->fts_info) {
+ case FTS_DC:
+ warnx("%s: directory causes a cycle", p->fts_name);
+ if (COMPAT_MODE("bin/ls", "Unix2003")) {
+ rval = 1;
+ }
+ break;
+ case FTS_DNR:
+ case FTS_ERR:
+ warnx("%s: %s", p->fts_name, strerror(p->fts_errno));
+ rval = 1;
+ break;
+ case FTS_D:
+ if (p->fts_level != FTS_ROOTLEVEL &&
+ p->fts_name[0] == '.' && !f_listdot) {
+ fts_set(ftsp, p, FTS_SKIP);
+ break;
+ }
+
+ if (IS_DATALESS(p->fts_statp)) {
+ fts_set(ftsp, p, FTS_SKIP);
+ break;
+ }
+
+ /*
+ * If already output something, put out a newline as
+ * a separator. If multiple arguments, precede each
+ * directory with its name.
+ */
+ if (output)
+ (void)printf("\n%s:\n", p->fts_path);
+ else if (argc > 1) {
+ (void)printf("%s:\n", p->fts_path);
+ output = 1;
+ }
+ chp = fts_children(ftsp, ch_options);
+ if (COMPAT_MODE("bin/ls", "Unix2003") && ((options & FTS_LOGICAL)!=0)) {
+ FTSENT *curr;
+ for (curr = chp; curr; curr = curr->fts_link) {
+ if (curr->fts_info == FTS_SLNONE)
+ curr->fts_number = NO_PRINT;
+ }
+ }
+ display(p, chp);
+
+ if (!f_recursive && chp != NULL)
+ (void)fts_set(ftsp, p, FTS_SKIP);
+ break;
+ case FTS_SLNONE: /* Same as default unless Unix conformance */
+ if (COMPAT_MODE("bin/ls", "Unix2003")) {
+ if ((options & FTS_LOGICAL)!=0) { /* -L was specified */
+ warnx("%s: %s", p->fts_name, strerror(p->fts_errno ?: ENOENT));
+ rval = 1;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+ error = errno;
+ fts_close(ftsp);
+ errno = error;
+
+ if (errno)
+ err(1, "fts_read");
+}
+
+/*
+ * Display() takes a linked list of FTSENT structures and passes the list
+ * along with any other necessary information to the print function. P
+ * points to the parent directory of the display list.
+ */
+static void
+display(FTSENT *p, FTSENT *list)
+{
+ struct stat *sp;
+ DISPLAY d;
+ FTSENT *cur;
+ NAMES *np;
+ off_t maxsize;
+ u_int64_t btotal, maxblock;
+ u_long lattrlen, maxlen, maxnlink, maxlattr;
+ ino_t maxinode;
+ int bcfile, maxflags;
+ gid_t maxgroup;
+ uid_t maxuser;
+ size_t flen, ulen, glen;
+ char *initmax;
+ int entries, needstats;
+ const char *user, *group;
+ char *flags, *lattr = NULL;
+ char buf[STRBUF_SIZEOF(u_quad_t) + 1];
+ char ngroup[STRBUF_SIZEOF(uid_t) + 1];
+ char nuser[STRBUF_SIZEOF(gid_t) + 1];
+#ifdef __APPLE__
+ acl_entry_t dummy;
+ ssize_t xattr_size;
+ char *filename;
+ char path[MAXPATHLEN+1];
+#endif // __APPLE__
+ /*
+ * If list is NULL there are two possibilities: that the parent
+ * directory p has no children, or that fts_children() returned an
+ * error. We ignore the error case since it will be replicated
+ * on the next call to fts_read() on the post-order visit to the
+ * directory p, and will be signaled in traverse().
+ */
+ if (list == NULL)
+ return;
+
+ needstats = f_inode || f_longform || f_size;
+ btotal = 0;
+ initmax = getenv("LS_COLWIDTHS");
+ /* Fields match -lios order. New ones should be added at the end. */
+ maxlattr = maxblock = maxinode = maxlen = maxnlink =
+ maxuser = maxgroup = maxflags = maxsize = 0;
+ if (initmax != NULL && *initmax != '\0') {
+ char *initmax2, *jinitmax;
+ int ninitmax;
+
+ /* Fill-in "::" as "0:0:0" for the sake of scanf. */
+ jinitmax = initmax2 = malloc(strlen(initmax) * 2 + 2);
+ if (jinitmax == NULL)
+ err(1, "malloc");
+ if (*initmax == ':')
+ strcpy(initmax2, "0:"), initmax2 += 2;
+ else
+ *initmax2++ = *initmax, *initmax2 = '\0';
+ for (initmax++; *initmax != '\0'; initmax++) {
+ if (initmax[-1] == ':' && initmax[0] == ':') {
+ *initmax2++ = '0';
+ *initmax2++ = initmax[0];
+ initmax2[1] = '\0';
+ } else {
+ *initmax2++ = initmax[0];
+ initmax2[1] = '\0';
+ }
+ }
+ if (initmax2[-1] == ':')
+ strcpy(initmax2, "0");
+
+ ninitmax = sscanf(jinitmax,
+#if _DARWIN_FEATURE_64_BIT_INODE
+ " %llu : %qu : %lu : %i : %i : %i : %qu : %lu : %lu ",
+#else
+ " %lu : %qu : %lu : %i : %i : %i : %qu : %lu : %lu ",
+#endif
+ &maxinode, &maxblock, &maxnlink, &maxuser,
+ &maxgroup, &maxflags, &maxsize, &maxlen, &maxlattr);
+ f_notabs = 1;
+ switch (ninitmax) {
+ case 0:
+ maxinode = 0;
+ /* FALLTHROUGH */
+ case 1:
+ maxblock = 0;
+ /* FALLTHROUGH */
+ case 2:
+ maxnlink = 0;
+ /* FALLTHROUGH */
+ case 3:
+ maxuser = 0;
+ /* FALLTHROUGH */
+ case 4:
+ maxgroup = 0;
+ /* FALLTHROUGH */
+ case 5:
+ maxflags = 0;
+ /* FALLTHROUGH */
+ case 6:
+ maxsize = 0;
+ /* FALLTHROUGH */
+ case 7:
+ maxlen = 0;
+ /* FALLTHROUGH */
+ case 8:
+ maxlattr = 0;
+ /* FALLTHROUGH */
+#ifdef COLORLS
+ if (!f_color)
+#endif
+ f_notabs = 0;
+ /* FALLTHROUGH */
+ default:
+ break;
+ }
+ maxinode = makenines(maxinode);
+ maxblock = makenines(maxblock);
+ maxnlink = makenines(maxnlink);
+ maxsize = makenines(maxsize);
+ }
+ bcfile = 0;
+ flags = NULL;
+ for (cur = list, entries = 0; cur; cur = cur->fts_link) {
+ if (cur->fts_info == FTS_ERR || cur->fts_info == FTS_NS) {
+ warnx("%s: %s",
+ cur->fts_name, strerror(cur->fts_errno));
+ cur->fts_number = NO_PRINT;
+ rval = 1;
+ continue;
+ }
+ /*
+ * P is NULL if list is the argv list, to which different rules
+ * apply.
+ */
+ if (p == NULL) {
+ /* Directories will be displayed later. */
+ if (cur->fts_info == FTS_D && !f_listdir) {
+ cur->fts_number = NO_PRINT;
+ continue;
+ }
+ } else {
+ /* Only display dot file if -a/-A set. */
+ if (cur->fts_name[0] == '.' && !f_listdot) {
+ cur->fts_number = NO_PRINT;
+ continue;
+ }
+ }
+ if (cur->fts_namelen > maxlen)
+ maxlen = cur->fts_namelen;
+ if (f_octal || f_octal_escape) {
+ u_long t = len_octal(cur->fts_name, cur->fts_namelen);
+
+ if (t > maxlen)
+ maxlen = t;
+ }
+ if (needstats) {
+ sp = cur->fts_statp;
+ if (sp->st_blocks > maxblock)
+ maxblock = sp->st_blocks;
+ if (sp->st_ino > maxinode)
+ maxinode = sp->st_ino;
+ if (sp->st_nlink > maxnlink)
+ maxnlink = sp->st_nlink;
+ if (sp->st_size > maxsize)
+ maxsize = sp->st_size;
+
+ btotal += sp->st_blocks;
+ if (f_longform) {
+ if (f_numericonly) {
+ (void)snprintf(nuser, sizeof(nuser),
+ "%u", sp->st_uid);
+ (void)snprintf(ngroup, sizeof(ngroup),
+ "%u", sp->st_gid);
+ user = nuser;
+ group = ngroup;
+ } else {
+ user = user_from_uid(sp->st_uid, 0);
+ group = group_from_gid(sp->st_gid, 0);
+ }
+ if ((ulen = strlen(user)) > maxuser)
+ maxuser = ulen;
+ if ((glen = strlen(group)) > maxgroup)
+ maxgroup = glen;
+ if (f_flags) {
+ flags = fflagstostr(sp->st_flags);
+ if (flags != NULL && *flags == '\0') {
+ free(flags);
+ flags = strdup("-");
+ }
+ if (flags == NULL)
+ err(1, "fflagstostr");
+ flen = strlen(flags);
+ if (flen > (size_t)maxflags)
+ maxflags = flen;
+ } else
+ flen = 0;
+ lattr = NULL;
+ lattrlen = 0;
+
+ if ((np = calloc(1, sizeof(NAMES) + lattrlen +
+ ulen + glen + flen + 4)) == NULL)
+ err(1, "malloc");
+
+ np->user = &np->data[0];
+ (void)strcpy(np->user, user);
+ np->group = &np->data[ulen + 1];
+ (void)strcpy(np->group, group);
+#ifdef __APPLE__
+ if (cur->fts_level == FTS_ROOTLEVEL) {
+ filename = cur->fts_name;
+ } else {
+ snprintf(path, sizeof(path), "%s/%s", cur->fts_parent->fts_accpath, cur->fts_name);
+ filename = path;
+ }
+ xattr_size = listxattr(filename, NULL, 0, XATTR_NOFOLLOW);
+ if (xattr_size < 0) {
+ xattr_size = 0;
+ }
+ if ((xattr_size > 0) && f_xattr) {
+ /* collect sizes */
+ np->xattr_names = malloc(xattr_size);
+ listxattr(filename, np->xattr_names, xattr_size, XATTR_NOFOLLOW);
+ for (char *name = np->xattr_names; name < np->xattr_names + xattr_size;
+ name += strlen(name)+1) {
+ np->xattr_sizes = reallocf(np->xattr_sizes, (np->xattr_count+1) * sizeof(np->xattr_sizes[0]));
+ np->xattr_sizes[np->xattr_count] = getxattr(filename, name, 0, 0, 0, XATTR_NOFOLLOW);
+ np->xattr_count++;
+ }
+ }
+ /* symlinks can not have ACLs */
+ np->acl = acl_get_link_np(filename, ACL_TYPE_EXTENDED);
+ if (np->acl) {
+ if (acl_get_entry(np->acl, ACL_FIRST_ENTRY, &dummy) == -1) {
+ acl_free(np->acl);
+ np->acl = NULL;
+ }
+ }
+ if (xattr_size > 0) {
+ np->mode_suffix = '@';
+ } else if (np->acl) {
+ np->mode_suffix = '+';
+ } else {
+ np->mode_suffix = ' ';
+ }
+ if (IS_DATALESS(sp)) {
+ np->mode_suffix = '%';
+ }
+ if (!f_acl) {
+ acl_free(np->acl);
+ np->acl = NULL;
+ }
+#endif // __APPLE__
+ if (S_ISCHR(sp->st_mode) ||
+ S_ISBLK(sp->st_mode))
+ bcfile = 1;
+
+ if (f_flags) {
+ np->flags = &np->data[ulen + glen + 2];
+ (void)strcpy(np->flags, flags);
+ free(flags);
+ }
+ cur->fts_pointer = np;
+ }
+ }
+ ++entries;
+ }
+
+ if (!entries)
+ return;
+
+ d.list = list;
+ d.entries = entries;
+ d.maxlen = maxlen;
+ if (needstats) {
+ d.bcfile = bcfile;
+ d.btotal = btotal;
+ (void)snprintf(buf, sizeof(buf), "%qu", (u_int64_t)maxblock);
+ d.s_block = strlen(buf);
+ d.s_flags = maxflags;
+ d.s_lattr = maxlattr;
+ d.s_group = maxgroup;
+#if _DARWIN_FEATURE_64_BIT_INODE
+ (void)snprintf(buf, sizeof(buf), "%llu", maxinode);
+#else
+ (void)snprintf(buf, sizeof(buf), "%lu", maxinode);
+#endif
+ d.s_inode = strlen(buf);
+ (void)snprintf(buf, sizeof(buf), "%lu", maxnlink);
+ d.s_nlink = strlen(buf);
+ (void)snprintf(buf, sizeof(buf), "%qu", (u_int64_t)maxsize);
+ d.s_size = strlen(buf);
+ d.s_user = maxuser;
+ }
+ printfcn(&d);
+ output = 1;
+
+ if (f_longform) {
+ for (cur = list; cur; cur = cur->fts_link) {
+ np = cur->fts_pointer;
+ if (np) {
+ if (np->acl) {
+ acl_free(np->acl);
+ }
+ free(np->xattr_names);
+ free(np->xattr_sizes);
+ free(np);
+ cur->fts_pointer = NULL;
+ }
+ }
+ }
+}
+
+/*
+ * Ordering for mastercmp:
+ * If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories
+ * as larger than directories. Within either group, use the sort function.
+ * All other levels use the sort function. Error entries remain unsorted.
+ */
+static int
+mastercmp(const FTSENT **a, const FTSENT **b)
+{
+ int a_info, b_info;
+
+ a_info = (*a)->fts_info;
+ if (a_info == FTS_ERR)
+ return (0);
+ b_info = (*b)->fts_info;
+ if (b_info == FTS_ERR)
+ return (0);
+
+ if (a_info == FTS_NS || b_info == FTS_NS)
+ return (namecmp(*a, *b));
+
+ if (a_info != b_info &&
+ (*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) {
+ if (a_info == FTS_D)
+ return (1);
+ if (b_info == FTS_D)
+ return (-1);
+ }
+ return (sortfcn(*a, *b));
+}
+
+/*
+ * Makenines() returns (10**n)-1. This is useful for converting a width
+ * into a number that wide in decimal.
+ */
+static u_quad_t
+makenines(u_quad_t n)
+{
+ u_long i;
+ u_quad_t reg;
+
+ reg = 1;
+ /* Use a loop instead of pow(), since all values of n are small. */
+ for (i = 0; i < n; i++)
+ reg *= 10;
+ reg--;
+
+ return reg;
+}