xref: /csrg-svn/lib/libc/string/strmode.c (revision 42181)
1 /*-
2  * Copyright (c) 1990 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  */
7 
8 #if defined(LIBC_SCCS) && !defined(lint)
9 static char sccsid[] = "@(#)strmode.c	5.2 (Berkeley) 05/17/90";
10 #endif /* LIBC_SCCS and not lint */
11 
12 #include <sys/types.h>
13 #include <sys/stat.h>
14 #include <string.h>
15 
16 void
17 strmode(mode, p)
18 	register mode_t mode;
19 	register char *p;
20 {
21 	 /* print type */
22 	switch (mode & S_IFMT) {
23 	case S_IFDIR:			/* directory */
24 		*p++ = 'd';
25 		break;
26 	case S_IFCHR:			/* character special */
27 		*p++ = 'c';
28 		break;
29 	case S_IFBLK:			/* block special */
30 		*p++ = 'b';
31 		break;
32 	case S_IFREG:			/* regular */
33 		*p++ = '-';
34 		break;
35 	case S_IFLNK:			/* symbolic link */
36 		*p++ = 'l';
37 		break;
38 	case S_IFSOCK:			/* socket */
39 		*p++ = 's';
40 		break;
41 #ifdef S_IFIFO
42 	case S_IFIFO:			/* fifo */
43 		*p++ = 'p';
44 		break;
45 #endif
46 	default:			/* unknown */
47 		*p++ = '?';
48 		(void)putchar('?');
49 		break;
50 	}
51 	/* usr */
52 	if (mode & S_IRUSR)
53 		*p++ = 'r';
54 	else
55 		*p++ = '-';
56 	if (mode & S_IWUSR)
57 		*p++ = 'w';
58 	else
59 		*p++ = '-';
60 	switch (mode & (S_IXUSR | S_ISUID)) {
61 	case 0:
62 		*p++ = '-';
63 		break;
64 	case S_IXUSR:
65 		*p++ = 'x';
66 		break;
67 	case S_ISUID:
68 		*p++ = 'S';
69 		break;
70 	case S_IXUSR | S_ISUID:
71 		*p++ = 's';
72 		break;
73 	}
74 	/* group */
75 	if (mode & S_IRGRP)
76 		*p++ = 'r';
77 	else
78 		*p++ = '-';
79 	if (mode & S_IWGRP)
80 		*p++ = 'w';
81 	else
82 		*p++ = '-';
83 	switch (mode & (S_IXGRP | S_ISGID)) {
84 	case 0:
85 		*p++ = '-';
86 		break;
87 	case S_IXGRP:
88 		*p++ = 'x';
89 		break;
90 	case S_ISGID:
91 		*p++ = 'S';
92 		break;
93 	case S_IXGRP | S_ISGID:
94 		*p++ = 's';
95 		break;
96 	}
97 	/* other */
98 	if (mode & S_IROTH)
99 		*p++ = 'r';
100 	else
101 		*p++ = '-';
102 	if (mode & S_IWOTH)
103 		*p++ = 'w';
104 	else
105 		*p++ = '-';
106 	switch (mode & (S_IXOTH | S_ISVTX)) {
107 	case 0:
108 		*p++ = '-';
109 		break;
110 	case S_IXOTH:
111 		*p++ = 'x';
112 		break;
113 	case S_ISVTX:
114 		*p++ = 'T';
115 		break;
116 	case S_IXOTH | S_ISVTX:
117 		*p++ = 't';
118 		break;
119 	}
120 	*p++ = ' ';		/* will be a '+' if ACL's implemented */
121 	*p = '\0';
122 }
123