static int
rootgen(Chan *c, char *name, Dirtab *dt, int i, int s, Dir *dp)
{
int t;
Dirtab *d;
Dirlist *l;
switch((int)c->qid.path){
case Qdir:
if(s == DEVDOTDOT){
devdir(c, (Qid){Qdir, 0, QTDIR}, "#/", 0, eve, 0555, dp);
return 1;
}
return devgen(c, name, rootlist.dir, rootlist.ndir, s, dp);
case Qboot:
if(s == DEVDOTDOT){
devdir(c, (Qid){Qdir, 0, QTDIR}, "#/", 0, eve, 0555, dp);
return 1;
}
return devgen(c, name, bootlist.dir, bootlist.ndir, s, dp);
default:
if(s == DEVDOTDOT){
if((int)c->qid.path < Qboot)
devdir(c, (Qid){Qdir, 0, QTDIR}, "#/", 0, eve, 0555, dp);
else
devdir(c, (Qid){Qboot, 0, QTDIR}, "#/", 0, eve, 0555, dp);
return 1;
}
if(s != 0)
return -1;
if((int)c->qid.path < Qboot){
t = c->qid.path-1;
l = &rootlist;
}else{
t = c->qid.path - Qboot - 1;
l = &bootlist;
}
if(t >= l->ndir)
return -1;
if(t < 0){
print("rootgen %llud %d %d\n", c->qid.path, s, t);
panic("whoops");
}
d = &l->dir[t];
devdir(c, d->qid, d->name, d->length, eve, d->perm, dp);
return 1;
}
}
static int
vcongen(Chan *c, char *d, Dirtab* dir, int i, int s, Dir *dp)
{
Proc *up = externup();
Qid q;
int t = TYPE(c->qid);
int vdidx = DEV(c->qid);
if(vdidx >= nvcon)
error(Ebadarg);
switch(t){
case Qtopdir:
if(s == DEVDOTDOT){
q = (Qid){QID(0, Qtopdir), 0, QTDIR};
snprint(up->genbuf, sizeof up->genbuf, "#%C", vcondevtab.dc);
devdir(c, q, up->genbuf, 0, eve, DMDIR|0555, dp);
return 1;
}
return devgen(c, nil, topdir, nelem(topdir), s, dp);
case Qvirtcon:
if(s == DEVDOTDOT){
q = (Qid){QID(0, Qtopdir), 0, QTDIR};
snprint(up->genbuf, sizeof up->genbuf, "#%C", vcondevtab.dc);
devdir(c, q, up->genbuf, 0, eve, DMDIR|0555, dp);
return 1;
}
if(s >= nvcon)
return -1;
snprint(up->genbuf, sizeof up->genbuf, vcons[s]->devname);
q = (Qid) {QID(s, Qvcpipe), 0, 0};
devdir(c, q, up->genbuf, 0, eve, 0666, dp);
return 1;
}
return -1;
}
static int
corebootdevgen(Chan *c, char *name, Dirtab *tab, int ntab, int i, Dir *dp)
{
int rc;
rc = devgen(c, name, tab, ntab, i, dp);
return rc;
}
int
pmcgen(Chan *c, char *name, Dirtab* dir, int j, int s, Dir *dp)
{
int t, i, n;
Dirtab *l, *d;
if(s == DEVDOTDOT){
devdir(c, (Qid){Qdir, 0, QTDIR}, "#ε", 0, eve, 0555, dp);
c->aux = nil;
return 1;
}
/* first, for directories, generate children */
switch((int)PMCTYPE(c->qid.path)){
case Qdir:
return devgen(c, name, toptab, ntoptab, s, dp);
case Qctr:
return devgen(c, name, pmctab, npmctab, s, dp);
case Qcore:
c->aux = (void *)PMCID(c->qid.path); /* core no */
return devgen(c, name, pmctab, npmctab, s, dp);
default:
if(s != 0)
return -1;
t = PMCTYPE(c->qid.path);
if(t < Qctr){
i = t;
l = toptab;
n = ntoptab;
}else{
i = PMCID(t);
if (t == Qctl)
i += (npmctab - 1)/2;
l = pmctab;
n = npmctab;
}
if(i >=n)
return -1;
d = &l[i];
devdir(c, d->qid, d->name, d->length, eve, d->perm, dp);
return 1;
}
}
static int
mousedevgen(Chan *c, char *name, Dirtab *tab, int ntab, int i, Dir *dp)
{
int rc;
rc = devgen(c, name, tab, ntab, i, dp);
if(rc != -1)
dp->atime = mousetime;
return rc;
}