xref: /freebsd/lib/libc/string/strmode.c (revision ad30f8e79bd1007cc2476e491bd21b4f5e389e0a)
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  * 4. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #if defined(LIBC_SCCS) && !defined(lint)
31 static char sccsid[] = "@(#)strmode.c	8.3 (Berkeley) 8/15/94";
32 #endif /* LIBC_SCCS and not lint */
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
35 
36 #include <sys/types.h>
37 #include <sys/stat.h>
38 #include <string.h>
39 
40 void
41 strmode(/* mode_t */ int mode, char *p)
42 {
43 	 /* print type */
44 	switch (mode & S_IFMT) {
45 	case S_IFDIR:			/* directory */
46 		*p++ = 'd';
47 		break;
48 	case S_IFCHR:			/* character special */
49 		*p++ = 'c';
50 		break;
51 	case S_IFBLK:			/* block special */
52 		*p++ = 'b';
53 		break;
54 	case S_IFREG:			/* regular */
55 		*p++ = '-';
56 		break;
57 	case S_IFLNK:			/* symbolic link */
58 		*p++ = 'l';
59 		break;
60 	case S_IFSOCK:			/* socket */
61 		*p++ = 's';
62 		break;
63 #ifdef S_IFIFO
64 	case S_IFIFO:			/* fifo */
65 		*p++ = 'p';
66 		break;
67 #endif
68 #ifdef S_IFWHT
69 	case S_IFWHT:			/* whiteout */
70 		*p++ = 'w';
71 		break;
72 #endif
73 	default:			/* unknown */
74 		*p++ = '?';
75 		break;
76 	}
77 	/* usr */
78 	if (mode & S_IRUSR)
79 		*p++ = 'r';
80 	else
81 		*p++ = '-';
82 	if (mode & S_IWUSR)
83 		*p++ = 'w';
84 	else
85 		*p++ = '-';
86 	switch (mode & (S_IXUSR | S_ISUID)) {
87 	case 0:
88 		*p++ = '-';
89 		break;
90 	case S_IXUSR:
91 		*p++ = 'x';
92 		break;
93 	case S_ISUID:
94 		*p++ = 'S';
95 		break;
96 	case S_IXUSR | S_ISUID:
97 		*p++ = 's';
98 		break;
99 	}
100 	/* group */
101 	if (mode & S_IRGRP)
102 		*p++ = 'r';
103 	else
104 		*p++ = '-';
105 	if (mode & S_IWGRP)
106 		*p++ = 'w';
107 	else
108 		*p++ = '-';
109 	switch (mode & (S_IXGRP | S_ISGID)) {
110 	case 0:
111 		*p++ = '-';
112 		break;
113 	case S_IXGRP:
114 		*p++ = 'x';
115 		break;
116 	case S_ISGID:
117 		*p++ = 'S';
118 		break;
119 	case S_IXGRP | S_ISGID:
120 		*p++ = 's';
121 		break;
122 	}
123 	/* other */
124 	if (mode & S_IROTH)
125 		*p++ = 'r';
126 	else
127 		*p++ = '-';
128 	if (mode & S_IWOTH)
129 		*p++ = 'w';
130 	else
131 		*p++ = '-';
132 	switch (mode & (S_IXOTH | S_ISVTX)) {
133 	case 0:
134 		*p++ = '-';
135 		break;
136 	case S_IXOTH:
137 		*p++ = 'x';
138 		break;
139 	case S_ISVTX:
140 		*p++ = 'T';
141 		break;
142 	case S_IXOTH | S_ISVTX:
143 		*p++ = 't';
144 		break;
145 	}
146 	*p++ = ' ';
147 	*p = '\0';
148 }
149