1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
5*                      and is licensed under the                       *
6*                 Eclipse Public License, Version 1.0                  *
7*                    by AT&T Intellectual Property                     *
8*                                                                      *
9*                A copy of the License is available at                 *
10*          http://www.eclipse.org/org/documents/epl-v10.html           *
11*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12*                                                                      *
13*              Information and Software Systems Research               *
14*                            AT&T Research                             *
15*                           Florham Park NJ                            *
16*                                                                      *
17*                 Glenn Fowler <gsf@research.att.com>                  *
18*                  David Korn <dgk@research.att.com>                   *
19*                   Phong Vo <kpv@research.att.com>                    *
20*                                                                      *
21***********************************************************************/
22#pragma prototyped
23/*
24 * Glenn Fowler
25 * AT&T Bell Laboratories
26 *
27 * ls formatter
28 */
29
30#include <ast.h>
31#include <ls.h>
32#include <tm.h>
33
34#ifndef LS_W_MAX
35#define LS_W_MAX	128
36#endif
37
38/*
39 * ls formatter
40 *
41 *	buf	results placed here
42 *	name	file name
43 *	st	file stat buffer
44 *	info	optional info
45 *	link	link text if != 0
46 *	flags	LS_* flags
47 *
48 *	return	end of formatted buf
49 */
50
51char*
52fmtls(char* buf, const char* name, register struct stat* st, const char* info, const char* link, register int flags)
53{
54	register char*		s;
55	time_t			tm;
56	Sfoff_t			n;
57
58	s = buf;
59	if (flags & LS_INUMBER)
60		s += sfsprintf(s, LS_W_MAX, "%*I*u ", LS_W_INUMBER - 1, sizeof(st->st_ino), st->st_ino);
61	if (flags & LS_BLOCKS)
62	{
63		n = iblocks(st);
64		s += sfsprintf(s, LS_W_MAX, "%*I*u ", LS_W_BLOCKS - 1, sizeof(n), n);
65	}
66	if (flags & LS_LONG)
67	{
68		s += sfsprintf(s, LS_W_MAX, "%s%3u", fmtmode(st->st_mode, flags & LS_EXTERNAL), (unsigned int)st->st_nlink);
69		if (!(flags & LS_NOUSER))
70		{
71			if (flags & LS_NUMBER)
72				s += sfsprintf(s, LS_W_MAX, " %-*I*d", LS_W_NAME - 1, sizeof(st->st_uid), st->st_uid);
73			else
74				s += sfsprintf(s, LS_W_MAX, " %-*s", LS_W_NAME - 1, fmtuid(st->st_uid));
75		}
76		if (!(flags & LS_NOGROUP))
77		{
78			if (flags & LS_NUMBER)
79				s += sfsprintf(s, LS_W_MAX, " %-*I*d", LS_W_NAME - 1, sizeof(st->st_gid), st->st_gid);
80			else
81				s += sfsprintf(s, LS_W_MAX, " %-*s", LS_W_NAME - 1, fmtgid(st->st_gid));
82		}
83		if (S_ISBLK(st->st_mode) || S_ISCHR(st->st_mode))
84			s += sfsprintf(s, LS_W_MAX, "%8s ", fmtdev(st));
85		else
86			s += sfsprintf(s, LS_W_MAX, "%8I*u ", sizeof(st->st_size), st->st_size);
87		tm = (flags & LS_ATIME) ? st->st_atime : (flags & LS_CTIME) ? st->st_ctime : st->st_mtime;
88		s = tmfmt(s, LS_W_LONG / 2, "%?%QL", &tm);
89		*s++ = ' ';
90	}
91	if (info)
92	{
93		while (*s = *info++)
94			s++;
95		*s++ = ' ';
96	}
97	while (*s = *name++)
98		s++;
99	if (flags & LS_MARK)
100	{
101		if (S_ISDIR(st->st_mode))
102			*s++ = '/';
103#ifdef S_ISLNK
104		else if (S_ISLNK(st->st_mode))
105			*s++ = '@';
106#endif
107		else if (st->st_mode & (S_IXUSR|S_IXGRP|S_IXOTH))
108			*s++ = '*';
109	}
110	if (link)
111	{
112		s += sfsprintf(s, LS_W_MAX, " %s %s",
113#ifdef S_ISLNK
114			S_ISLNK(st->st_mode) ? "->" :
115#endif
116				"==", link);
117	}
118	*s = 0;
119	return s;
120}
121