xref: /freebsd/lib/libc/string/strmode.c (revision f0adf7f5cdd241db2f2c817683191a6ef64a4e95)
1 /*-
2  * Copyright (c) 1990, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #if defined(LIBC_SCCS) && !defined(lint)
35 static char sccsid[] = "@(#)strmode.c	8.3 (Berkeley) 8/15/94";
36 #endif /* LIBC_SCCS and not lint */
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
39 
40 #include <sys/types.h>
41 #include <sys/stat.h>
42 #include <string.h>
43 
44 void
45 strmode(mode, p)
46 	mode_t mode;
47 	char *p;
48 {
49 	 /* print type */
50 	switch (mode & S_IFMT) {
51 	case S_IFDIR:			/* directory */
52 		*p++ = 'd';
53 		break;
54 	case S_IFCHR:			/* character special */
55 		*p++ = 'c';
56 		break;
57 	case S_IFBLK:			/* block special */
58 		*p++ = 'b';
59 		break;
60 	case S_IFREG:			/* regular */
61 		*p++ = '-';
62 		break;
63 	case S_IFLNK:			/* symbolic link */
64 		*p++ = 'l';
65 		break;
66 	case S_IFSOCK:			/* socket */
67 		*p++ = 's';
68 		break;
69 #ifdef S_IFIFO
70 	case S_IFIFO:			/* fifo */
71 		*p++ = 'p';
72 		break;
73 #endif
74 #ifdef S_IFWHT
75 	case S_IFWHT:			/* whiteout */
76 		*p++ = 'w';
77 		break;
78 #endif
79 	default:			/* unknown */
80 		*p++ = '?';
81 		break;
82 	}
83 	/* usr */
84 	if (mode & S_IRUSR)
85 		*p++ = 'r';
86 	else
87 		*p++ = '-';
88 	if (mode & S_IWUSR)
89 		*p++ = 'w';
90 	else
91 		*p++ = '-';
92 	switch (mode & (S_IXUSR | S_ISUID)) {
93 	case 0:
94 		*p++ = '-';
95 		break;
96 	case S_IXUSR:
97 		*p++ = 'x';
98 		break;
99 	case S_ISUID:
100 		*p++ = 'S';
101 		break;
102 	case S_IXUSR | S_ISUID:
103 		*p++ = 's';
104 		break;
105 	}
106 	/* group */
107 	if (mode & S_IRGRP)
108 		*p++ = 'r';
109 	else
110 		*p++ = '-';
111 	if (mode & S_IWGRP)
112 		*p++ = 'w';
113 	else
114 		*p++ = '-';
115 	switch (mode & (S_IXGRP | S_ISGID)) {
116 	case 0:
117 		*p++ = '-';
118 		break;
119 	case S_IXGRP:
120 		*p++ = 'x';
121 		break;
122 	case S_ISGID:
123 		*p++ = 'S';
124 		break;
125 	case S_IXGRP | S_ISGID:
126 		*p++ = 's';
127 		break;
128 	}
129 	/* other */
130 	if (mode & S_IROTH)
131 		*p++ = 'r';
132 	else
133 		*p++ = '-';
134 	if (mode & S_IWOTH)
135 		*p++ = 'w';
136 	else
137 		*p++ = '-';
138 	switch (mode & (S_IXOTH | S_ISVTX)) {
139 	case 0:
140 		*p++ = '-';
141 		break;
142 	case S_IXOTH:
143 		*p++ = 'x';
144 		break;
145 	case S_ISVTX:
146 		*p++ = 'T';
147 		break;
148 	case S_IXOTH | S_ISVTX:
149 		*p++ = 't';
150 		break;
151 	}
152 	*p++ = ' ';		/* will be a '+' if ACL's implemented */
153 	*p = '\0';
154 }
155