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 		return nil;
16 
17 	addr = smprint("unix!%s/%s", ns, name);
18 	free(ns);
19 	if(addr == nil)
20 		return nil;
21 
22 	fd = dial(addr, 0, 0, 0);
23 	if(fd < 0){
24 		werrstr("dial %s: %r", addr);
25 		free(addr);
26 		return nil;
27 	}
28 	free(addr);
29 
30 	fcntl(fd, F_SETFL, FD_CLOEXEC);
31 	return fsinit(fd);
32 }
33 
34 CFsys*
35 nsmount(char *name, char *aname)
36 {
37 	CFsys *fs;
38 	CFid *fid;
39 
40 	fs = nsinit(name);
41 	if(fs == nil)
42 		return nil;
43 	if((fid = fsattach(fs, nil, getuser(), aname)) == nil){
44 		_fsunmount(fs);
45 		return nil;
46 	}
47 	fssetroot(fs, fid);
48 	return fs;
49 }
50 
51 CFid*
52 nsopen(char *name, char *aname, char *fname, int mode)
53 {
54 	CFsys *fs;
55 	CFid *fid;
56 
57 	fs = nsmount(name, aname);
58 	if(fs == nil)
59 		return nil;
60 	fid = fsopen(fs, fname, mode);
61 	fsunmount(fs);
62 	return fid;
63 }
64