xref: /netbsd/lib/libc/string/strmode.c (revision bf9ec67e)
1 /*	$NetBSD: strmode.c,v 1.13 2002/01/31 22:43:41 tv Exp $	*/
2 
3 /*-
4  * Copyright (c) 1990, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. 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/cdefs.h>
37 #if defined(LIBC_SCCS) && !defined(lint)
38 #if 0
39 static char sccsid[] = "@(#)strmode.c	8.3 (Berkeley) 8/15/94";
40 #else
41 __RCSID("$NetBSD: strmode.c,v 1.13 2002/01/31 22:43:41 tv Exp $");
42 #endif
43 #endif /* LIBC_SCCS and not lint */
44 
45 #include "namespace.h"
46 #include <sys/types.h>
47 #include <sys/stat.h>
48 
49 #include <assert.h>
50 #include <unistd.h>
51 
52 void
53 strmode(mode, p)
54 	mode_t mode;
55 	char *p;
56 {
57 
58 	_DIAGASSERT(p != NULL);
59 
60 	 /* print type */
61 	switch (mode & S_IFMT) {
62 	case S_IFDIR:			/* directory */
63 		*p++ = 'd';
64 		break;
65 	case S_IFCHR:			/* character special */
66 		*p++ = 'c';
67 		break;
68 	case S_IFBLK:			/* block special */
69 		*p++ = 'b';
70 		break;
71 	case S_IFREG:			/* regular */
72 #ifdef S_ARCH2
73 		if ((mode & S_ARCH2) != 0) {
74 			*p++ = 'A';
75 		} else if ((mode & S_ARCH1) != 0) {
76 			*p++ = 'a';
77 		} else {
78 #endif
79 			*p++ = '-';
80 #ifdef S_ARCH2
81 		}
82 #endif
83 		break;
84 	case S_IFLNK:			/* symbolic link */
85 		*p++ = 'l';
86 		break;
87 	case S_IFSOCK:			/* socket */
88 		*p++ = 's';
89 		break;
90 #ifdef S_IFIFO
91 	case S_IFIFO:			/* fifo */
92 		*p++ = 'p';
93 		break;
94 #endif
95 #ifdef S_IFWHT
96 	case S_IFWHT:			/* whiteout */
97 		*p++ = 'w';
98 		break;
99 #endif
100 	default:			/* unknown */
101 		*p++ = '?';
102 		break;
103 	}
104 	/* usr */
105 	if (mode & S_IRUSR)
106 		*p++ = 'r';
107 	else
108 		*p++ = '-';
109 	if (mode & S_IWUSR)
110 		*p++ = 'w';
111 	else
112 		*p++ = '-';
113 	switch (mode & (S_IXUSR | S_ISUID)) {
114 	case 0:
115 		*p++ = '-';
116 		break;
117 	case S_IXUSR:
118 		*p++ = 'x';
119 		break;
120 	case S_ISUID:
121 		*p++ = 'S';
122 		break;
123 	case S_IXUSR | S_ISUID:
124 		*p++ = 's';
125 		break;
126 	}
127 	/* group */
128 	if (mode & S_IRGRP)
129 		*p++ = 'r';
130 	else
131 		*p++ = '-';
132 	if (mode & S_IWGRP)
133 		*p++ = 'w';
134 	else
135 		*p++ = '-';
136 	switch (mode & (S_IXGRP | S_ISGID)) {
137 	case 0:
138 		*p++ = '-';
139 		break;
140 	case S_IXGRP:
141 		*p++ = 'x';
142 		break;
143 	case S_ISGID:
144 		*p++ = 'S';
145 		break;
146 	case S_IXGRP | S_ISGID:
147 		*p++ = 's';
148 		break;
149 	}
150 	/* other */
151 	if (mode & S_IROTH)
152 		*p++ = 'r';
153 	else
154 		*p++ = '-';
155 	if (mode & S_IWOTH)
156 		*p++ = 'w';
157 	else
158 		*p++ = '-';
159 	switch (mode & (S_IXOTH | S_ISVTX)) {
160 	case 0:
161 		*p++ = '-';
162 		break;
163 	case S_IXOTH:
164 		*p++ = 'x';
165 		break;
166 	case S_ISVTX:
167 		*p++ = 'T';
168 		break;
169 	case S_IXOTH | S_ISVTX:
170 		*p++ = 't';
171 		break;
172 	}
173 	*p++ = ' ';		/* will be a '+' if ACL's implemented */
174 	*p = '\0';
175 }
176