Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	bin/ls/ls.c	Lines:	167	275	60.7 %
Date:	2017-11-07	Branches:	106	188	56.4 %


/*	$OpenBSD: ls.c,v 1.48 2016/08/16 16:13:32 krw Exp $	*/
/*	$NetBSD: ls.c,v 1.18 1996/07/09 09:16:29 mycroft Exp $	*/

/*
 * 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. 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/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 <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <limits.h>
#include <locale.h>
#include <util.h>

#include "ls.h"
#include "extern.h"

static void	 display(FTSENT *, FTSENT *);
static int	 mastercmp(const FTSENT **, const FTSENT **);
static void	 traverse(int, char **, int);

static void (*printfcn)(DISPLAY *);
static int (*sortfcn)(const FTSENT *, const FTSENT *);

#define	BY_NAME 0
#define	BY_SIZE 1
#define	BY_TIME	2

long blocksize;			/* block size units */
int termwidth;			/* default terminal width */
int sortkey = BY_NAME;

/* flags */
int f_accesstime;		/* use time of last access */
int f_column;			/* columnated format */
int f_columnacross;		/* columnated format, sorted across */
int f_flags;			/* show flags associated with a file */
int f_grouponly;		/* long listing format without owner */
int f_humanval;			/* show human-readable file sizes */
int f_inode;			/* print inode */
int f_listdir;			/* list actual directory, not contents */
int f_listdot;			/* list files beginning with . */
int f_longform;			/* long listing format */
int f_nonprint;			/* show unprintables as ? */
int f_nosort;			/* don't sort output */
int f_numericonly;		/* don't expand uid to symbolic name */
int f_recursive;		/* ls subdirectories also */
int f_reversesort;		/* reverse whatever sort is used */
int f_sectime;			/* print the real time for all files */
int f_singlecol;		/* use single column output */
int f_size;			/* list size in short listing */
int f_statustime;		/* use time of last mode change */
int f_stream;			/* stream format */
int f_type;			/* add type character for non-regular files */
int f_typedir;			/* add type character for directories */

int rval;

int
ls_main(int argc, char *argv[])
{
	static char dot[] = ".", *dotav[] = { dot, NULL };
	struct winsize win;
	int ch, fts_options, notused;
	int kflag = 0;
	char *p;

#ifndef SMALL
	setlocale(LC_CTYPE, "");
#endif

	/* Terminal defaults to -Cq, non-terminal defaults to -1. */
	if (isatty(STDOUT_FILENO)) {
		f_column = f_nonprint = 1;
	} else {
		f_singlecol = 1;
	}

	termwidth = 0;
	if ((p = getenv("COLUMNS")) != NULL)
		termwidth = strtonum(p, 1, INT_MAX, NULL);
	if (termwidth == 0 && ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) == 0 &&
	    win.ws_col > 0)
		termwidth = win.ws_col;
	if (termwidth == 0)
		termwidth = 80;

	if (pledge("stdio rpath getpw flock cpath wpath", NULL) == -1)
		err(1, "pledge");

	/* Root is -A automatically. */
	if (!getuid())
		f_listdot = 1;

	fts_options = FTS_PHYSICAL;
	while ((ch = getopt(argc, argv, "1ACFHLRSTacdfghiklmnopqrstux")) != -1) {
		switch (ch) {
		/*
		 * The -1, -C and -l, -m, -n and -x options all override each
		 * other so shell aliasing works right.
		 */
		case '1':
			f_singlecol = 1;
			f_column = f_columnacross = f_longform = 0;
			f_numericonly = f_stream = 0;
			break;
		case 'C':
			f_column = 1;
			f_columnacross = f_longform = f_numericonly = 0;
			f_singlecol = f_stream = 0;
			break;
		case 'g':
			f_longform = 1;
			if (f_grouponly != -1)
				f_grouponly = 1;
			f_column = f_columnacross = f_singlecol = f_stream = 0;
			break;
		case 'l':
			f_longform = 1;
			f_grouponly = -1;	/* -l always overrides -g */
			f_column = f_columnacross = f_singlecol = f_stream = 0;
			break;
		case 'm':
			f_stream = 1;
			f_column = f_columnacross = f_longform = 0;
			f_numericonly = f_singlecol = 0;
			break;
		case 'x':
			f_columnacross = 1;
			f_column = f_longform = f_numericonly = 0;
			f_singlecol = f_stream = 0;
			break;
		case 'n':
			f_longform = 1;
			f_numericonly = 1;
			f_column = f_columnacross = f_singlecol = f_stream = 0;
			break;
		/* The -c and -u options override each other. */
		case 'c':
			f_statustime = 1;
			f_accesstime = 0;
			break;
		case 'u':
			f_accesstime = 1;
			f_statustime = 0;
			break;
		case 'F':
			f_type = 1;
			break;
		case 'H':
			fts_options |= FTS_COMFOLLOW;
			break;
		case 'L':
			fts_options &= ~FTS_PHYSICAL;
			fts_options |= FTS_LOGICAL;
			break;
		case 'R':
			f_recursive = 1;
			break;
		case 'f':
			f_nosort = 1;
			/* FALLTHROUGH */
		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 'h':
			f_humanval = 1;
			break;
		case 'i':
			f_inode = 1;
			break;
		case 'k':
			blocksize = 1024;
			kflag = 1;
			break;
		case 'o':
			f_flags = 1;
			break;
		case 'p':
			f_typedir = 1;
			break;
		case 'q':
			f_nonprint = 1;
			break;
		case 'r':
			f_reversesort = 1;
			break;
		case 'S':
			sortkey = BY_SIZE;
			break;
		case 's':
			f_size = 1;
			break;
		case 'T':
			f_sectime = 1;
			break;
		case 't':
			sortkey = BY_TIME;
			break;
		default:
			usage();
		}
	}
	argc -= optind;
	argv += optind;

	/*
	 * If both -g and -l options, let -l take precedence.
	 * This preserves compatibility with the historic BSD ls -lg.
	 */
	if (f_grouponly == -1)
		f_grouponly = 0;

	/*
	 * If not -F, -i, -l, -p, -S, -s or -t options, don't require stat
	 * information.
	 */
	if (!f_longform && !f_inode && !f_size && !f_type && !f_typedir &&
	    sortkey == BY_NAME)
		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)
		fts_options |= FTS_COMFOLLOW;

	/* If -l or -s, figure out block size. */
	if (f_longform || f_size) {
		if (!kflag)
			(void)getbsize(&notused, &blocksize);
		blocksize /= 512;
	}

	/* Select a sort function. */
	if (f_reversesort) {
		switch (sortkey) {
		case BY_NAME:
			sortfcn = revnamecmp;
			break;
		case BY_SIZE:
			sortfcn = revsizecmp;
			break;
		case BY_TIME:
			if (f_accesstime)
				sortfcn = revacccmp;
			else if (f_statustime)
				sortfcn = revstatcmp;
			else /* Use modification time. */
				sortfcn = revmodcmp;
			break;
		}
	} else {
		switch (sortkey) {
		case BY_NAME:
			sortfcn = namecmp;
			break;
		case BY_SIZE:
			sortfcn = sizecmp;
			break;
		case BY_TIME:
			if (f_accesstime)
				sortfcn = acccmp;
			else if (f_statustime)
				sortfcn = statcmp;
			else /* Use modification time. */
				sortfcn = modcmp;
			break;
		}
	}

	/* Select a print function. */
	if (f_singlecol)
		printfcn = printscol;
	else if (f_columnacross)
		printfcn = printacol;
	else if (f_longform)
		printfcn = printlong;
	else if (f_stream)
		printfcn = printstream;
	else
		printfcn = printcol;

	if (argc)
		traverse(argc, argv, fts_options);
	else
		traverse(1, dotav, fts_options);
	return (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, saved_errno;

	if ((ftsp =
	    fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL)
		err(1, NULL);

	display(NULL, fts_children(ftsp, 0));
	if (f_listdir)
		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_D:
			if (p->fts_name[0] == '.' &&
			    p->fts_level != FTS_ROOTLEVEL && !f_listdot)
				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);
			saved_errno = errno;
			display(p, chp);

			/*
			 * On fts_children() returning error do recurse to see
			 * the error.
			 */
			if (!f_recursive && !(chp == NULL && saved_errno != 0))
				(void)fts_set(ftsp, p, FTS_SKIP);
			break;
		case FTS_DC:
			warnx("%s: directory causes a cycle", p->fts_name);
			break;
		case FTS_DNR:
		case FTS_ERR:
			warnx("%s: %s", p->fts_name[0] == '\0' ? p->fts_path :
			    p->fts_name, strerror(p->fts_errno));
			rval = 1;
			break;
		}
	if (errno)
		err(1, "fts_read");

	fts_close(ftsp);
}

/*
 * 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;
	nlink_t maxnlink;
	unsigned long long btotal;
	blkcnt_t maxblock;
	ino_t maxinode;
	int bcfile, flen, glen, ulen, maxflags, maxgroup, maxuser, maxlen;
	int entries, needstats;
	int width;
	char *user, *group, buf[21];	/* 64 bits == 20 digits */
	char nuser[12], ngroup[12];
	char *flags = NULL;

	/*
	 * 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 signalled in traverse().
	 */
	if (list == NULL)
		return;

	needstats = f_inode || f_longform || f_size;
	flen = 0;
	btotal = maxblock = maxinode = maxlen = maxnlink = 0;
	bcfile = 0;
	maxuser = maxgroup = maxflags = 0;
	maxsize = 0;
	for (cur = list, entries = 0; cur != NULL; 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 ((width = mbsprint(cur->fts_name, 0)) > maxlen)
			maxlen = width;
		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) {
					snprintf(nuser, 12, "%u", sp->st_uid);
					snprintf(ngroup, 12, "%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 == '\0')
						flags = "-";
					if ((flen = strlen(flags)) > maxflags)
						maxflags = flen;
				} else
					flen = 0;

				if ((np = malloc(sizeof(NAMES) +
				    ulen + 1 + glen + 1 + flen + 1)) == NULL)
					err(1, NULL);

				np->user = &np->data[0];
				(void)strlcpy(np->user, user, ulen + 1);
				np->group = &np->data[ulen + 1];
				(void)strlcpy(np->group, group, glen + 1);

				if (S_ISCHR(sp->st_mode) ||
				    S_ISBLK(sp->st_mode))
					bcfile = 1;

				if (f_flags) {
					np->flags = &np->data[ulen + 1 + glen + 1];
					(void)strlcpy(np->flags, flags, flen + 1);
					if (*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), "%llu",
		   (unsigned long long)maxblock);
		d.s_block = strlen(buf);
		d.s_flags = maxflags;
		d.s_group = maxgroup;
		(void)snprintf(buf, sizeof(buf), "%llu",
		    (unsigned long long)maxinode);
		d.s_inode = strlen(buf);
		(void)snprintf(buf, sizeof(buf), "%lu",
		    (unsigned long)maxnlink);
		d.s_nlink = strlen(buf);
		if (!f_humanval) {
			(void)snprintf(buf, sizeof(buf), "%lld",
				(long long) maxsize);
			d.s_size = strlen(buf);
		} else
			d.s_size = FMT_SCALED_STRSIZE-2; /* no - or '\0' */
		d.s_user = maxuser;
	}

	printfcn(&d);
	output = 1;

	if (f_longform)
		for (cur = list; cur != NULL; cur = cur->fts_link)
			free(cur->fts_pointer);
}

/*
 * 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) {
		if (b_info != FTS_NS)
			return (1);
		else if (a_info != FTS_NS)
			return (-1);
		else
			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));
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: ls.c,v 1.48 2016/08/16 16:13:32 krw Exp $ */
2			/* $NetBSD: ls.c,v 1.18 1996/07/09 09:16:29 mycroft Exp $ */
3
4			/*
5			* Copyright (c) 1989, 1993, 1994
6			* The Regents of the University of California. All rights reserved.
7			*
8			* This code is derived from software contributed to Berkeley by
9			* Michael Fischbein.
10			*
11			* Redistribution and use in source and binary forms, with or without
12			* modification, are permitted provided that the following conditions
13			* are met:
14			* 1. Redistributions of source code must retain the above copyright
15			* notice, this list of conditions and the following disclaimer.
16			* 2. Redistributions in binary form must reproduce the above copyright
17			* notice, this list of conditions and the following disclaimer in the
18			* documentation and/or other materials provided with the distribution.
19			* 3. Neither the name of the University nor the names of its contributors
20			* may be used to endorse or promote products derived from this software
21			* without specific prior written permission.
22			*
23			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33			* SUCH DAMAGE.
34			*/
35
36			#include <sys/types.h>
37			#include <sys/stat.h>
38			#include <sys/ioctl.h>
39
40			#include <dirent.h>
41			#include <err.h>
42			#include <errno.h>
43			#include <fts.h>
44			#include <grp.h>
45			#include <pwd.h>
46			#include <stdio.h>
47			#include <stdlib.h>
48			#include <string.h>
49			#include <unistd.h>
50			#include <limits.h>
51			#include <locale.h>
52			#include <util.h>
53
54			#include "ls.h"
55			#include "extern.h"
56
57			static void display(FTSENT , FTSENT );
58			static int mastercmp(const FTSENT , const FTSENT );
59			static void traverse(int, char **, int);
60
61			static void (printfcn)(DISPLAY );
62			static int (sortfcn)(const FTSENT , const FTSENT *);
63
64			#define BY_NAME 0
65			#define BY_SIZE 1
66			#define BY_TIME 2
67
68			long blocksize; /* block size units */
69			int termwidth; /* default terminal width */
70			int sortkey = BY_NAME;
71
72			/* flags */
73			int f_accesstime; /* use time of last access */
74			int f_column; /* columnated format */
75			int f_columnacross; /* columnated format, sorted across */
76			int f_flags; /* show flags associated with a file */
77			int f_grouponly; /* long listing format without owner */
78			int f_humanval; /* show human-readable file sizes */
79			int f_inode; /* print inode */
80			int f_listdir; /* list actual directory, not contents */
81			int f_listdot; /* list files beginning with . */
82			int f_longform; /* long listing format */
83			int f_nonprint; /* show unprintables as ? */
84			int f_nosort; /* don't sort output */
85			int f_numericonly; /* don't expand uid to symbolic name */
86			int f_recursive; /* ls subdirectories also */
87			int f_reversesort; /* reverse whatever sort is used */
88			int f_sectime; /* print the real time for all files */
89			int f_singlecol; /* use single column output */
90			int f_size; /* list size in short listing */
91			int f_statustime; /* use time of last mode change */
92			int f_stream; /* stream format */
93			int f_type; /* add type character for non-regular files */
94			int f_typedir; /* add type character for directories */
95
96			int rval;
97
98			int
99			ls_main(int argc, char *argv[])
100			{
101			static char dot[] = ".", *dotav[] = { dot, NULL };
102		17388	struct winsize win;
103		8694	int ch, fts_options, notused;
104			int kflag = 0;
105			char *p;
106
107			#ifndef SMALL
108		8694	setlocale(LC_CTYPE, "");
109			#endif
110
111			/* Terminal defaults to -Cq, non-terminal defaults to -1. */
112	✓✓	8694	if (isatty(STDOUT_FILENO)) {
113		77	f_column = f_nonprint = 1;
114		77	} else {
115			f_singlecol = 1;
116			}
117
118		8694	termwidth = 0;
119	✗✓	8694	if ((p = getenv("COLUMNS")) != NULL)
120			termwidth = strtonum(p, 1, INT_MAX, NULL);
121	✓✗✓✓ ✓✗	17465	if (termwidth == 0 && ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) == 0 &&
122		77	win.ws_col > 0)
123		77	termwidth = win.ws_col;
124	✓✓	8694	if (termwidth == 0)
125		8617	termwidth = 80;
126
127	✗✓	8694	if (pledge("stdio rpath getpw flock cpath wpath", NULL) == -1)
128			err(1, "pledge");
129
130			/* Root is -A automatically. */
131	✓✗	8694	if (!getuid())
132		8694	f_listdot = 1;
133
134			fts_options = FTS_PHYSICAL;
135	✓✓	17581	while ((ch = getopt(argc, argv, "1ACFHLRSTacdfghiklmnopqrstux")) != -1) {
136	✗✗✗✓ ✗✗✗✗ ✗✗✗✗ ✗✗✓✓ ✓✗✓✗ ✗✗✗✗ ✗✓✗✗ ✗	234	switch (ch) {
137			/*
138			* The -1, -C and -l, -m, -n and -x options all override each
139			* other so shell aliasing works right.
140			*/
141			case '1':
142			f_singlecol = 1;
143			f_column = f_columnacross = f_longform = 0;
144			f_numericonly = f_stream = 0;
145			break;
146			case 'C':
147			f_column = 1;
148			f_columnacross = f_longform = f_numericonly = 0;
149			f_singlecol = f_stream = 0;
150			break;
151			case 'g':
152			f_longform = 1;
153			if (f_grouponly != -1)
154			f_grouponly = 1;
155			f_column = f_columnacross = f_singlecol = f_stream = 0;
156			break;
157			case 'l':
158		115	f_longform = 1;
159		115	f_grouponly = -1; /* -l always overrides -g */
160		115	f_column = f_columnacross = f_singlecol = f_stream = 0;
161		115	break;
162			case 'm':
163			f_stream = 1;
164			f_column = f_columnacross = f_longform = 0;
165			f_numericonly = f_singlecol = 0;
166			break;
167			case 'x':
168			f_columnacross = 1;
169			f_column = f_longform = f_numericonly = 0;
170			f_singlecol = f_stream = 0;
171			break;
172			case 'n':
173			f_longform = 1;
174			f_numericonly = 1;
175			f_column = f_columnacross = f_singlecol = f_stream = 0;
176			break;
177			/* The -c and -u options override each other. */
178			case 'c':
179			f_statustime = 1;
180			f_accesstime = 0;
181			break;
182			case 'u':
183			f_accesstime = 1;
184			f_statustime = 0;
185			break;
186			case 'F':
187			f_type = 1;
188			break;
189			case 'H':
190			fts_options \|= FTS_COMFOLLOW;
191			break;
192			case 'L':
193			fts_options &= ~FTS_PHYSICAL;
194			fts_options \|= FTS_LOGICAL;
195			break;
196			case 'R':
197			f_recursive = 1;
198			break;
199			case 'f':
200			f_nosort = 1;
201			/* FALLTHROUGH */
202			case 'a':
203		41	fts_options \|= FTS_SEEDOT;
204			/* FALLTHROUGH */
205			case 'A':
206		41	f_listdot = 1;
207		41	break;
208			/* The -d option turns off the -R option. */
209			case 'd':
210		18	f_listdir = 1;
211		18	f_recursive = 0;
212		18	break;
213			case 'h':
214			f_humanval = 1;
215			break;
216			case 'i':
217		18	f_inode = 1;
218		18	break;
219			case 'k':
220			blocksize = 1024;
221			kflag = 1;
222			break;
223			case 'o':
224			f_flags = 1;
225			break;
226			case 'p':
227			f_typedir = 1;
228			break;
229			case 'q':
230			f_nonprint = 1;
231			break;
232			case 'r':
233			f_reversesort = 1;
234			break;
235			case 'S':
236			sortkey = BY_SIZE;
237			break;
238			case 's':
239		1	f_size = 1;
240		1	break;
241			case 'T':
242			f_sectime = 1;
243			break;
244			case 't':
245			sortkey = BY_TIME;
246			break;
247			default:
248			usage();
249			}
250			}
251		8694	argc -= optind;
252		8694	argv += optind;
253
254			/*
255			* If both -g and -l options, let -l take precedence.
256			* This preserves compatibility with the historic BSD ls -lg.
257			*/
258	✓✓	8694	if (f_grouponly == -1)
259		115	f_grouponly = 0;
260
261			/*
262			* If not -F, -i, -l, -p, -S, -s or -t options, don't require stat
263			* information.
264			*/
265	✓✓	17388	if (!f_longform && !f_inode && !f_size && !f_type && !f_typedir &&
266		8694	sortkey == BY_NAME)
267		8561	fts_options \|= FTS_NOSTAT;
268
269			/*
270			* If not -F, -d or -l options, follow any symbolic links listed on
271			* the command line.
272			*/
273	✓✓	8694	if (!f_longform && !f_listdir && !f_type)
274		8561	fts_options \|= FTS_COMFOLLOW;
275
276			/* If -l or -s, figure out block size. */
277	✓✓	8694	if (f_longform \|\| f_size) {
278	✓✗	115	if (!kflag)
279		115	(void)getbsize(&notused, &blocksize);
280		115	blocksize /= 512;
281		115	}
282
283			/* Select a sort function. */
284	✗✓	8694	if (f_reversesort) {
285			switch (sortkey) {
286			case BY_NAME:
287			sortfcn = revnamecmp;
288			break;
289			case BY_SIZE:
290			sortfcn = revsizecmp;
291			break;
292			case BY_TIME:
293			if (f_accesstime)
294			sortfcn = revacccmp;
295			else if (f_statustime)
296			sortfcn = revstatcmp;
297			else /* Use modification time. */
298			sortfcn = revmodcmp;
299			break;
300			}
301			} else {
302	✗✗✓✓	17388	switch (sortkey) {
303			case BY_NAME:
304			sortfcn = namecmp;
305			break;
306			case BY_SIZE:
307			sortfcn = sizecmp;
308			break;
309			case BY_TIME:
310			if (f_accesstime)
311			sortfcn = acccmp;
312			else if (f_statustime)
313			sortfcn = statcmp;
314			else /* Use modification time. */
315			sortfcn = modcmp;
316			break;
317			}
318			}
319
320			/* Select a print function. */
321	✓✓	8694	if (f_singlecol)
322			printfcn = printscol;
323	✓✗	148	else if (f_columnacross)
324			printfcn = printacol;
325	✓✓	148	else if (f_longform)
326			printfcn = printlong;
327		33	else if (f_stream)
328			printfcn = printstream;
329			else
330			printfcn = printcol;
331
332	✓✓	8694	if (argc)
333		8630	traverse(argc, argv, fts_options);
334			else
335		64	traverse(1, dotav, fts_options);
336		17388	return (rval);
337		8694	}
338
339			static int output; /* If anything output. */
340
341			/*
342			* Traverse() walks the logical directory structure specified by the argv list
343			* in the order specified by the mastercmp() comparison function. During the
344			* traversal it passes linked lists of structures to display() which represent
345			* a superset (may be exact set) of the files to be displayed.
346			*/
347			static void
348			traverse(int argc, char *argv[], int options)
349			{
350			FTS *ftsp;
351			FTSENT p, chp;
352			int ch_options, saved_errno;
353
354	✗✓	8694	if ((ftsp =
355		17388	fts_open(argv, options, f_nosort ? NULL : mastercmp)) == NULL)
356			err(1, NULL);
357
358		8694	display(NULL, fts_children(ftsp, 0));
359	✓✓	8694	if (f_listdir)
360		18	return;
361
362			/*
363			* If not recursing down this tree and don't need stat info, just get
364			* the names.
365			*/
366	✓✗	26028	ch_options = !f_recursive && options & FTS_NOSTAT ? FTS_NAMEONLY : 0;
367
368	✓✓	5097522	while ((p = fts_read(ftsp)) != NULL)
369	✓✓✗✗ ✗	5080247	switch (p->fts_info) {
370			case FTS_D:
371	✓✓	77	if (p->fts_name[0] == '.' &&
372	✗✓	64	p->fts_level != FTS_ROOTLEVEL && !f_listdot)
373			break;
374
375			/*
376			* If already output something, put out a newline as
377			* a separator. If multiple arguments, precede each
378			* directory with its name.
379			*/
380	✗✓	77	if (output)
381			(void)printf("\n%s:\n", p->fts_path);
382	✗✓	77	else if (argc > 1) {
383			(void)printf("%s:\n", p->fts_path);
384			output = 1;
385			}
386
387		77	chp = fts_children(ftsp, ch_options);
388		77	saved_errno = errno;
389		77	display(p, chp);
390
391			/*
392			* On fts_children() returning error do recurse to see
393			* the error.
394			*/
395	✗✓✗✓	154	if (!f_recursive && !(chp == NULL && saved_errno != 0))
396		77	(void)fts_set(ftsp, p, FTS_SKIP);
397			break;
398			case FTS_DC:
399			warnx("%s: directory causes a cycle", p->fts_name);
400			break;
401			case FTS_DNR:
402			case FTS_ERR:
403			warnx("%s: %s", p->fts_name[0] == '\0' ? p->fts_path :
404			p->fts_name, strerror(p->fts_errno));
405			rval = 1;
406			break;
407			}
408	✗✓	8676	if (errno)
409			err(1, "fts_read");
410
411		8676	fts_close(ftsp);
412		17370	}
413
414			/*
415			* Display() takes a linked list of FTSENT structures and passes the list
416			* along with any other necessary information to the print function. P
417			* points to the parent directory of the display list.
418			*/
419			static void
420			display(FTSENT p, FTSENT list)
421			{
422			struct stat *sp;
423		17542	DISPLAY d;
424			FTSENT *cur;
425			NAMES *np;
426			off_t maxsize;
427			nlink_t maxnlink;
428			unsigned long long btotal;
429			blkcnt_t maxblock;
430			ino_t maxinode;
431			int bcfile, flen, glen, ulen, maxflags, maxgroup, maxuser, maxlen;
432			int entries, needstats;
433			int width;
434		8771	char user, group, buf[21]; /* 64 bits == 20 digits */
435		8771	char nuser[12], ngroup[12];
436			char *flags = NULL;
437
438			/*
439			* If list is NULL there are two possibilities: that the parent
440			* directory p has no children, or that fts_children() returned an
441			* error. We ignore the error case since it will be replicated
442			* on the next call to fts_read() on the post-order visit to the
443			* directory p, and will be signalled in traverse().
444			*/
445	✗✓	8771	if (list == NULL)
446			return;
447
448	✓✓	26138	needstats = f_inode \|\| f_longform \|\| f_size;
449			flen = 0;
450			btotal = maxblock = maxinode = maxlen = maxnlink = 0;
451			bcfile = 0;
452			maxuser = maxgroup = maxflags = 0;
453			maxsize = 0;
454	✓✓	10304990	for (cur = list, entries = 0; cur != NULL; cur = cur->fts_link) {
455	✓✗✓✓	10287448	if (cur->fts_info == FTS_ERR \|\| cur->fts_info == FTS_NS) {
456		2	warnx("%s: %s",
457		2	cur->fts_name, strerror(cur->fts_errno));
458		2	cur->fts_number = NO_PRINT;
459		2	rval = 1;
460		2	continue;
461			}
462
463			/*
464			* P is NULL if list is the argv list, to which different rules
465			* apply.
466			*/
467	✓✓	5143722	if (p == NULL) {
468			/* Directories will be displayed later. */
469	✓✓	5080109	if (cur->fts_info == FTS_D && !f_listdir) {
470		77	cur->fts_number = NO_PRINT;
471		77	continue;
472			}
473			} else {
474			/* Only display dot file if -a/-A set. */
475	✗✓	63613	if (cur->fts_name[0] == '.' && !f_listdot) {
476			cur->fts_number = NO_PRINT;
477			continue;
478			}
479			}
480	✓✓	5143645	if ((width = mbsprint(cur->fts_name, 0)) > maxlen)
481		16591	maxlen = width;
482	✓✓	5143645	if (needstats) {
483		39610	sp = cur->fts_statp;
484	✓✓	39610	if (sp->st_blocks > maxblock)
485		224	maxblock = sp->st_blocks;
486	✓✓	39610	if (sp->st_ino > maxinode)
487		437	maxinode = sp->st_ino;
488	✓✓	39610	if (sp->st_nlink > maxnlink)
489		250	maxnlink = sp->st_nlink;
490	✓✓	39610	if (sp->st_size > maxsize)
491		239	maxsize = sp->st_size;
492
493		39610	btotal += sp->st_blocks;
494	✓✓	39610	if (f_longform) {
495	✗✓	39592	if (f_numericonly) {
496			snprintf(nuser, 12, "%u", sp->st_uid);
497			snprintf(ngroup, 12, "%u", sp->st_gid);
498			user = nuser;
499			group = ngroup;
500			} else {
501		39592	user = user_from_uid(sp->st_uid, 0);
502		39592	group = group_from_gid(sp->st_gid, 0);
503			}
504	✓✓	39592	if ((ulen = strlen(user)) > maxuser)
505		113	maxuser = ulen;
506	✓✓	39592	if ((glen = strlen(group)) > maxgroup)
507		119	maxgroup = glen;
508	✗✓	39592	if (f_flags) {
509			flags = fflagstostr(sp->st_flags);
510			if (*flags == '\0')
511			flags = "-";
512			if ((flen = strlen(flags)) > maxflags)
513			maxflags = flen;
514			} else
515			flen = 0;
516
517	✗✓	118776	if ((np = malloc(sizeof(NAMES) +
518		118776	ulen + 1 + glen + 1 + flen + 1)) == NULL)
519			err(1, NULL);
520
521		39592	np->user = &np->data[0];
522		39592	(void)strlcpy(np->user, user, ulen + 1);
523		39592	np->group = &np->data[ulen + 1];
524		39592	(void)strlcpy(np->group, group, glen + 1);
525
526	✓✗✗✓	79184	if (S_ISCHR(sp->st_mode) \|\|
527		39592	S_ISBLK(sp->st_mode))
528			bcfile = 1;
529
530	✗✓	39592	if (f_flags) {
531			np->flags = &np->data[ulen + 1 + glen + 1];
532			(void)strlcpy(np->flags, flags, flen + 1);
533			if (*flags != '-')
534			free(flags);
535			}
536		39592	cur->fts_pointer = np;
537		39592	}
538			}
539		5143645	++entries;
540		5143645	}
541
542	✓✓	8771	if (!entries)
543		79	return;
544
545		8692	d.list = list;
546		8692	d.entries = entries;
547		8692	d.maxlen = maxlen;
548	✓✓	8692	if (needstats) {
549		131	d.bcfile = bcfile;
550		131	d.btotal = btotal;
551		131	(void)snprintf(buf, sizeof(buf), "%llu",
552			(unsigned long long)maxblock);
553		131	d.s_block = strlen(buf);
554		131	d.s_flags = maxflags;
555		131	d.s_group = maxgroup;
556		131	(void)snprintf(buf, sizeof(buf), "%llu",
557			(unsigned long long)maxinode);
558		131	d.s_inode = strlen(buf);
559		131	(void)snprintf(buf, sizeof(buf), "%lu",
560		131	(unsigned long)maxnlink);
561		131	d.s_nlink = strlen(buf);
562	✓✗	131	if (!f_humanval) {
563		131	(void)snprintf(buf, sizeof(buf), "%lld",
564			(long long) maxsize);
565		131	d.s_size = strlen(buf);
566		131	} else
567			d.s_size = FMT_SCALED_STRSIZE-2; /* no - or '\0' */
568		131	d.s_user = maxuser;
569		131	}
570
571		8692	printfcn(&d);
572		8692	output = 1;
573
574	✓✓	8692	if (f_longform)
575	✓✓	79410	for (cur = list; cur != NULL; cur = cur->fts_link)
576		39592	free(cur->fts_pointer);
577		17463	}
578
579			/*
580			* Ordering for mastercmp:
581			* If ordering the argv (fts_level = FTS_ROOTLEVEL) return non-directories
582			* as larger than directories. Within either group, use the sort function.
583			* All other levels use the sort function. Error entries remain unsorted.
584			*/
585			static int
586			mastercmp(const FTSENT a, const FTSENT b)
587			{
588			int a_info, b_info;
589
590		121835438	a_info = (*a)->fts_info;
591	✗✓	60917719	if (a_info == FTS_ERR)
592			return (0);
593		60917719	b_info = (*b)->fts_info;
594	✗✓	60917719	if (b_info == FTS_ERR)
595			return (0);
596
597	✗✓	60917719	if (a_info == FTS_NS \|\| b_info == FTS_NS) {
598			if (b_info != FTS_NS)
599			return (1);
600			else if (a_info != FTS_NS)
601			return (-1);
602			else
603			return (namecmp(a, b));
604			}
605
606	✓✓	60917719	if (a_info != b_info &&
607	✗✓	2432	(*a)->fts_level == FTS_ROOTLEVEL && !f_listdir) {
608			if (a_info == FTS_D)
609			return (1);
610			if (b_info == FTS_D)
611			return (-1);
612			}
613		60917719	return (sortfcn(a, b));
614		60917719	}