1 /* Copyright (C) 2003 Russ Cox, Massachusetts Institute of Technology */
2 /* See COPYRIGHT */
3 
4 #include <u.h>
5 #include <libc.h>
6 #include <fcall.h>
7 #include <9pclient.h>
8 #include "fsimpl.h"
9 
10 Dir*
11 fsdirstat(CFsys *fs, char *name)
12 {
13 	Dir *d;
14 	CFid *fid;
15 
16 	if((fid = fswalk(fs->root, name)) == nil)
17 		return nil;
18 
19 	d = fsdirfstat(fid);
20 	fsclose(fid);
21 	return d;
22 }
23 
24 Dir*
25 fsdirfstat(CFid *fid)
26 {
27 	Dir *d;
28 	CFsys *fs;
29 	Fcall tx, rx;
30 	void *freep;
31 	int n;
32 
33 	fs = fid->fs;
34 	tx.type = Tstat;
35 	tx.fid = fid->fid;
36 
37 	if(_fsrpc(fs, &tx, &rx, &freep) < 0)
38 		return nil;
39 
40 	d = malloc(sizeof(Dir)+rx.nstat);
41 	if(d == nil){
42 		free(freep);
43 		return nil;
44 	}
45 	n = convM2D(rx.stat, rx.nstat, d, (char*)&d[1]);
46 	free(freep);
47 	if(n != rx.nstat){
48 		free(d);
49 		werrstr("rx.nstat and convM2D disagree about dir length");
50 		return nil;
51 	}
52 	return d;
53 }