1 #include <u.h>
2 #include <libc.h>
3 
4 char *e;
5 
6 void
7 usage(void)
8 {
9 	fprint(2, "usage: mkdir [-p] dir...\n");
10 	exits("usage");
11 }
12 
13 int
14 makedir(char *s)
15 {
16 	int f;
17 
18 	if(access(s, AEXIST) == 0){
19 		fprint(2, "mkdir: %s already exists\n", s);
20 		e = "error";
21 		return -1;
22 	}
23 	f = create(s, OREAD, DMDIR | 0777L);
24 	if(f < 0){
25 		fprint(2, "mkdir: can't create %s: %r\n", s);
26 		e = "error";
27 		return -1;
28 	}
29 	close(f);
30 	return 0;
31 }
32 
33 void
34 mkdirp(char *s)
35 {
36 	char *p;
37 
38 	for(p=strchr(s+1, '/'); p; p=strchr(p+1, '/')){
39 		*p = 0;
40 		if(access(s, AEXIST) != 0 && makedir(s) < 0)
41 			return;
42 		*p = '/';
43 	}
44 	if(access(s, AEXIST) != 0)
45 		makedir(s);
46 }
47 
48 
49 void
50 main(int argc, char *argv[])
51 {
52 	int i, pflag;
53 
54 	pflag = 0;
55 	ARGBEGIN{
56 	default:
57 		usage();
58 	case 'p':
59 		pflag = 1;
60 		break;
61 	}ARGEND
62 
63 	for(i=0; i<argc; i++){
64 		if(pflag)
65 			mkdirp(argv[i]);
66 		else
67 			makedir(argv[i]);
68 	}
69 	exits(e);
70 }