xref: /netbsd-src/lib/libc/string/strmode.c (revision 037708cbd4616ccd0d7d0381ebd3964d6696c188)
1 /*-
2  * Copyright (c) 1990 The Regents of the University of California.
3  * 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 = "from: @(#)strmode.c	5.3 (Berkeley) 5/18/90";*/
36 static char *rcsid = "$Id: strmode.c,v 1.4 1997/01/30 09:23:47 matthias Exp $";
37 #endif /* LIBC_SCCS and not lint */
38 
39 #include <sys/types.h>
40 #include <sys/stat.h>
41 #include <string.h>
42 
43 void
44 strmode(mode, p)
45 	register mode_t mode;
46 	register char *p;
47 {
48 	 /* print type */
49 	switch (mode & S_IFMT) {
50 	case S_IFDIR:			/* directory */
51 		*p++ = 'd';
52 		break;
53 	case S_IFCHR:			/* character special */
54 		*p++ = 'c';
55 		break;
56 	case S_IFBLK:			/* block special */
57 		*p++ = 'b';
58 		break;
59 	case S_IFREG:			/* regular */
60 		*p++ = '-';
61 		break;
62 	case S_IFLNK:			/* symbolic link */
63 		*p++ = 'l';
64 		break;
65 	case S_IFSOCK:			/* socket */
66 		*p++ = 's';
67 		break;
68 #ifdef S_IFIFO
69 	case S_IFIFO:			/* fifo */
70 		*p++ = 'p';
71 		break;
72 #endif
73 #ifdef S_IFWHT
74 	case S_IFWHT:			/* whiteout */
75 		*p++ = 'w';
76 		break;
77 #endif
78 	default:			/* unknown */
79 		*p++ = '?';
80 		break;
81 	}
82 	/* usr */
83 	if (mode & S_IRUSR)
84 		*p++ = 'r';
85 	else
86 		*p++ = '-';
87 	if (mode & S_IWUSR)
88 		*p++ = 'w';
89 	else
90 		*p++ = '-';
91 	switch (mode & (S_IXUSR | S_ISUID)) {
92 	case 0:
93 		*p++ = '-';
94 		break;
95 	case S_IXUSR:
96 		*p++ = 'x';
97 		break;
98 	case S_ISUID:
99 		*p++ = 'S';
100 		break;
101 	case S_IXUSR | S_ISUID:
102 		*p++ = 's';
103 		break;
104 	}
105 	/* group */
106 	if (mode & S_IRGRP)
107 		*p++ = 'r';
108 	else
109 		*p++ = '-';
110 	if (mode & S_IWGRP)
111 		*p++ = 'w';
112 	else
113 		*p++ = '-';
114 	switch (mode & (S_IXGRP | S_ISGID)) {
115 	case 0:
116 		*p++ = '-';
117 		break;
118 	case S_IXGRP:
119 		*p++ = 'x';
120 		break;
121 	case S_ISGID:
122 		*p++ = 'S';
123 		break;
124 	case S_IXGRP | S_ISGID:
125 		*p++ = 's';
126 		break;
127 	}
128 	/* other */
129 	if (mode & S_IROTH)
130 		*p++ = 'r';
131 	else
132 		*p++ = '-';
133 	if (mode & S_IWOTH)
134 		*p++ = 'w';
135 	else
136 		*p++ = '-';
137 	switch (mode & (S_IXOTH | S_ISVTX)) {
138 	case 0:
139 		*p++ = '-';
140 		break;
141 	case S_IXOTH:
142 		*p++ = 'x';
143 		break;
144 	case S_ISVTX:
145 		*p++ = 'T';
146 		break;
147 	case S_IXOTH | S_ISVTX:
148 		*p++ = 't';
149 		break;
150 	}
151 	*p++ = ' ';		/* will be a '+' if ACL's implemented */
152 	*p = '\0';
153 }
154