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cwfs: various cleanups

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- consistently refer to Dentry.name length with NAMELEN
- make sure whoname is null terminated
- remove useless nil check for whoname
This commit is contained in:
cinap_lenrek 2015-09-26 11:44:29 +02:00
parent 76e0968e35
commit ffe4844da8
3 changed files with 6 additions and 8 deletions
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7
sys/src/cmd/cwfs/9p2.c
View file

@ -348,7 +348,7 @@ attach(Chan* chan, Fcall* f, Fcall* r)
r->qid = file->qid;
strncpy(chan->whoname, f->uname, sizeof(chan->whoname));
snprint(chan->whoname, sizeof(chan->whoname), "%s", f->uname);
chan->whotime = time(nil);
out:
if(p != nil)
@ -913,7 +913,7 @@ fs_create(Chan* chan, Fcall* f, Fcall* r)
goto phase;
}
strncpy(d1->name, f->name, sizeof(d1->name));
strncpy(d1->name, f->name, NAMELEN);
if(chan == cons.chan){
d1->uid = cons.uid;
d1->gid = cons.gid;
@ -1014,7 +1014,6 @@ fs_read(Chan* chan, Fcall* f, Fcall* r, uchar* data)
}
iounit = chan->msize-IOHDRSZ;
if(count < 0 || count > iounit){
fprint(2, "fs_read %d %d\n", count, iounit);
error = Ecount;
goto out;
}
@ -1786,7 +1785,7 @@ fs_wstat(Chan* chan, Fcall* f, Fcall*, char* strs)
}
d->size = dir.length;
if(dir.name != d->name)
strncpy(d->name, dir.name, sizeof(d->name));
strncpy(d->name, dir.name, NAMELEN);
d->uid = uid;
d->gid = gid;
d->muid = muid;

5
sys/src/cmd/cwfs/con.c
View file

@ -14,7 +14,7 @@ consserve(void)
{
int i;
strncpy(cons.chan->whochan, "console", sizeof(cons.chan->whochan));
snprint(cons.chan->whochan, sizeof(cons.chan->whochan), "console");
installcmds();
con_session();
cmd_exec("cfs");
@ -312,8 +312,7 @@ cmd_who(int argc, char *argv[])
continue;
}
}
print("%3d: %10s %24s", cp->chan,
cp->whoname? cp->whoname: "<nowhoname>", cp->whochan);
print("%3d: %10s %24s", cp->chan, cp->whoname, cp->whochan);
if(cp->whoprint)
cp->whoprint(cp);
print("\n");

2
sys/src/cmd/cwfs/sub.c
View file

@ -46,7 +46,7 @@ fs_chaninit(int count, int data)
chans = cp;
cp->chan = cons.chano;
cons.chano++;
strncpy(cp->whoname, "<none>", sizeof cp->whoname);
snprint(cp->whoname, sizeof(cp->whoname), "<none>");
wlock(&cp->reflock);
wunlock(&cp->reflock);
rlock(&cp->reflock);