1 #include <u.h>
2 #include <libc.h>
3 #include <fcall.h>
4 #include <9pclient.h>
5 #include <ctype.h>
6 
7 CFsys*
8 nsinit(char *name)
9 {
10 	char *addr, *ns;
11 	int fd;
12 
13 	ns = getns();
14 	if(ns == nil){
15 		werrstr("no name space");
16 		return nil;
17 	}
18 
19 	addr = smprint("unix!%s/%s", ns, name);
20 	free(ns);
21 	if(addr == nil){
22 		werrstr("smprint: %r");
23 		return nil;
24 	}
25 
26 	fd = dial(addr, 0, 0, 0);
27 	if(fd < 0){
28 		werrstr("dial %s: %r", addr);
29 		free(addr);
30 		return nil;
31 	}
32 	free(addr);
33 
34 	fcntl(fd, F_SETFD, FD_CLOEXEC);
35 	return fsinit(fd);
36 }
37 
38 CFsys*
39 nsmount(char *name, char *aname)
40 {
41 	CFsys *fs;
42 	CFid *fid;
43 
44 	fs = nsinit(name);
45 	if(fs == nil)
46 		return nil;
47 	if((fid = fsattach(fs, nil, getuser(), aname)) == nil){
48 		_fsunmount(fs);
49 		return nil;
50 	}
51 	fssetroot(fs, fid);
52 	return fs;
53 }
54 
55 CFid*
56 nsopen(char *name, char *aname, char *fname, int mode)
57 {
58 	CFsys *fs;
59 	CFid *fid;
60 
61 	fs = nsmount(name, aname);
62 	if(fs == nil)
63 		return nil;
64 	fid = fsopen(fs, fname, mode);
65 	fsunmount(fs);
66 	return fid;
67 }