xref: /freebsd/lib/libc/string/strmode.c (revision 952d112864d8008aa87278a30a539d888a8493cd)
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 
38 #include <sys/types.h>
39 #include <sys/stat.h>
40 #include <string.h>
41 
42 void
43 strmode(mode, p)
44 	register mode_t mode;
45 	register char *p;
46 {
47 	 /* print type */
48 	switch (mode & S_IFMT) {
49 	case S_IFDIR:			/* directory */
50 		*p++ = 'd';
51 		break;
52 	case S_IFCHR:			/* character special */
53 		*p++ = 'c';
54 		break;
55 	case S_IFBLK:			/* block special */
56 		*p++ = 'b';
57 		break;
58 	case S_IFREG:			/* regular */
59 		*p++ = '-';
60 		break;
61 	case S_IFLNK:			/* symbolic link */
62 		*p++ = 'l';
63 		break;
64 	case S_IFSOCK:			/* socket */
65 		*p++ = 's';
66 		break;
67 #ifdef S_IFIFO
68 	case S_IFIFO:			/* fifo */
69 		*p++ = 'p';
70 		break;
71 #endif
72 #ifdef S_IFWHT
73 	case S_IFWHT:			/* whiteout */
74 		*p++ = 'w';
75 		break;
76 #endif
77 	default:			/* unknown */
78 		*p++ = '?';
79 		break;
80 	}
81 	/* usr */
82 	if (mode & S_IRUSR)
83 		*p++ = 'r';
84 	else
85 		*p++ = '-';
86 	if (mode & S_IWUSR)
87 		*p++ = 'w';
88 	else
89 		*p++ = '-';
90 	switch (mode & (S_IXUSR | S_ISUID)) {
91 	case 0:
92 		*p++ = '-';
93 		break;
94 	case S_IXUSR:
95 		*p++ = 'x';
96 		break;
97 	case S_ISUID:
98 		*p++ = 'S';
99 		break;
100 	case S_IXUSR | S_ISUID:
101 		*p++ = 's';
102 		break;
103 	}
104 	/* group */
105 	if (mode & S_IRGRP)
106 		*p++ = 'r';
107 	else
108 		*p++ = '-';
109 	if (mode & S_IWGRP)
110 		*p++ = 'w';
111 	else
112 		*p++ = '-';
113 	switch (mode & (S_IXGRP | S_ISGID)) {
114 	case 0:
115 		*p++ = '-';
116 		break;
117 	case S_IXGRP:
118 		*p++ = 'x';
119 		break;
120 	case S_ISGID:
121 		*p++ = 'S';
122 		break;
123 	case S_IXGRP | S_ISGID:
124 		*p++ = 's';
125 		break;
126 	}
127 	/* other */
128 	if (mode & S_IROTH)
129 		*p++ = 'r';
130 	else
131 		*p++ = '-';
132 	if (mode & S_IWOTH)
133 		*p++ = 'w';
134 	else
135 		*p++ = '-';
136 	switch (mode & (S_IXOTH | S_ISVTX)) {
137 	case 0:
138 		*p++ = '-';
139 		break;
140 	case S_IXOTH:
141 		*p++ = 'x';
142 		break;
143 	case S_ISVTX:
144 		*p++ = 'T';
145 		break;
146 	case S_IXOTH | S_ISVTX:
147 		*p++ = 't';
148 		break;
149 	}
150 	*p++ = ' ';		/* will be a '+' if ACL's implemented */
151 	*p = '\0';
152 }
153