xref: /original-bsd/lib/libc/string/strmode.c (revision da818fbb)
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	5.1 (Berkeley) 05/10/90";
10 #endif /* LIBC_SCCS and not lint */
11 
12 #include <sys/types.h>
13 #include <sys/stat.h>
14 
15 strmode(mode, p)
16 	register mode_t mode;
17 	register char *p;
18 {
19 	 /* print type */
20 	switch (mode & S_IFMT) {
21 	case S_IFDIR:			/* directory */
22 		*p++ = 'd';
23 		break;
24 	case S_IFCHR:			/* character special */
25 		*p++ = 'c';
26 		break;
27 	case S_IFBLK:			/* block special */
28 		*p++ = 'b';
29 		break;
30 	case S_IFREG:			/* regular */
31 		*p++ = '-';
32 		break;
33 	case S_IFLNK:			/* symbolic link */
34 		*p++ = 'l';
35 		break;
36 	case S_IFSOCK:			/* socket */
37 		*p++ = 's';
38 		break;
39 #ifdef S_IFIFO
40 	case S_IFIFO:			/* fifo */
41 		*p++ = 'p';
42 		break;
43 #endif
44 	default:			/* unknown */
45 		*p++ = '?';
46 		(void)putchar('?');
47 		break;
48 	}
49 	/* usr */
50 	if (mode & S_IRUSR)
51 		*p++ = 'r';
52 	else
53 		*p++ = '-';
54 	if (mode & S_IWUSR)
55 		*p++ = 'w';
56 	else
57 		*p++ = '-';
58 	switch (mode & (S_IXUSR | S_ISUID)) {
59 	case 0:
60 		*p++ = '-';
61 		break;
62 	case S_IXUSR:
63 		*p++ = 'x';
64 		break;
65 	case S_ISUID:
66 		*p++ = 'S';
67 		break;
68 	case S_IXUSR | S_ISUID:
69 		*p++ = 's';
70 		break;
71 	}
72 	/* group */
73 	if (mode & S_IRGRP)
74 		*p++ = 'r';
75 	else
76 		*p++ = '-';
77 	if (mode & S_IWGRP)
78 		*p++ = 'w';
79 	else
80 		*p++ = '-';
81 	switch (mode & (S_IXGRP | S_ISGID)) {
82 	case 0:
83 		*p++ = '-';
84 		break;
85 	case S_IXGRP:
86 		*p++ = 'x';
87 		break;
88 	case S_ISGID:
89 		*p++ = 'S';
90 		break;
91 	case S_IXGRP | S_ISGID:
92 		*p++ = 's';
93 		break;
94 	}
95 	/* other */
96 	if (mode & S_IROTH)
97 		*p++ = 'r';
98 	else
99 		*p++ = '-';
100 	if (mode & S_IWOTH)
101 		*p++ = 'w';
102 	else
103 		*p++ = '-';
104 	switch (mode & (S_IXOTH | S_ISVTX)) {
105 	case 0:
106 		*p++ = '-';
107 		break;
108 	case S_IXOTH:
109 		*p++ = 'x';
110 		break;
111 	case S_ISVTX:
112 		*p++ = 'T';
113 		break;
114 	case S_IXOTH | S_ISVTX:
115 		*p++ = 't';
116 		break;
117 	}
118 	*p++ = ' ';		/* will be a '+' if ACL's implemented */
119 	*p = '\0';
120 	return(0);
121 }
122