__private_extern__ int
readdirs_9p(mount_9p *nmp, fid_9p fid, dir_9p **d, uint32_t *nd)
{
uint8_t *p, *newp;
uint32_t n;
int e, ts;
TRACE();
*d = NULL;
*nd = 0;
ts = 0;
p = NULL;
for (;;) {
newp = malloc_9p(ts+DIRMAX);
if (newp == NULL) {
e = ENOMEM;
break;
}
bcopy(p, newp, ts);
free_9p(p);
p = newp;
if ((e=read_9p(nmp, fid, p+ts, DIRMAX, ts, &n)) || n==0)
break;
ts += n;
}
if (!e)
e = dirpackage(p, ts, d, nd, ISSET(nmp->flags, F_DOTU));
free_9p(p);
return e;
}
static int
nread_9p(node_9p *np, uio_t uio)
{
openfid_9p *op;
uint32_t n, l, sz;
char *p;
int e;
TRACE();
op = &np->openfid[OREAD];
if (op->fid == NOFID)
op = &np->openfid[ORDWR];
if (op->fid == NOFID)
return EBADF;
sz = np->iounit;
if (sz == 0)
sz = np->nmp->msize-IOHDRSZ;
p = malloc_9p(sz);
if (p == NULL)
return ENOMEM;
e = 0;
while (uio_resid(uio) > 0) {
n = MIN(uio_resid(uio), sz);
if ((e=read_9p(np->nmp, op->fid, p, n, uio_offset(uio), &l)) || l==0)
break;
if ((e=uiomove(p, l, uio)))
break;
}
free_9p(p);
return e;
}
__private_extern__ int
readdir_9p(mount_9p *nmp, fid_9p fid, off_t off, dir_9p **d, uint32_t *nd, uint32_t *nrd)
{
void *p;
int e;
TRACE();
*d = NULL;
*nd = 0;
*nrd = 0;
p = malloc_9p(DIRMAX);
if (p == NULL)
return ENOMEM;
e = read_9p(nmp, fid, p, DIRMAX, off, nrd);
if (!e)
e = dirpackage(p, *nrd, d, nd, ISSET(nmp->flags, F_DOTU));
free_9p(p);
return e;
}