1 #include <u.h>
2 #include <libc.h>
3 
4 static char *modes[] =
5 {
6 	"---",
7 	"--x",
8 	"-w-",
9 	"-wx",
10 	"r--",
11 	"r-x",
12 	"rw-",
13 	"rwx",
14 };
15 
16 static void
17 rwx(long m, char *s)
18 {
19 	strncpy(s, modes[m], 3);
20 }
21 
22 int
23 dirmodefmt(Fmt *f)
24 {
25 	static char buf[16];
26 	ulong m;
27 
28 	m = va_arg(f->args, ulong);
29 
30 	if(m & DMDIR)
31 		buf[0]='d';
32 	else if(m & DMAPPEND)
33 		buf[0]='a';
34 	else if(m & DMAUTH)
35 		buf[0]='A';
36 	else
37 		buf[0]='-';
38 	if(m & DMEXCL)
39 		buf[1]='l';
40 	else
41 		buf[1]='-';
42 	rwx((m>>6)&7, buf+2);
43 	rwx((m>>3)&7, buf+5);
44 	rwx((m>>0)&7, buf+8);
45 	buf[11] = 0;
46 	return fmtstrcpy(f, buf);
47 }