long
dirreadall(int fd, Dir **d)
{
uchar *buf, *nbuf;
long n, ts;
struct stat st;
if(fstat(fd, &st) < 0)
return -1;
if(st.st_blksize < 8192)
st.st_blksize = 8192;
buf = nil;
ts = 0;
for(;;){
nbuf = realloc(buf, ts+st.st_blksize);
if(nbuf == nil){
free(buf);
return -1;
}
buf = nbuf;
n = mygetdents(fd, (void*)(buf+ts), st.st_blksize);
if(n <= 0)
break;
ts += n;
}
if(ts >= 0)
ts = dirpackage(fd, (char*)buf, ts, d);
free(buf);
if(ts == 0 && n < 0)
return -1;
return ts;
}
long
dirreadall(int fd, Dir **d)
{
uchar *buf, *nbuf;
long n, ts;
buf = nil;
ts = 0;
for(;;){
nbuf = realloc(buf, ts+DIRMAX);
if(nbuf == nil){
free(buf);
return -1;
}
buf = nbuf;
n = read(fd, buf+ts, DIRMAX);
if(n <= 0)
break;
ts += n;
}
if(ts >= 0)
ts = dirpackage(buf, ts, d);
free(buf);
if(ts == 0 && n < 0)
return -1;
return ts;
}
long
dirread(int fd, Dir **dp)
{
char *buf;
struct stat st;
int n;
*dp = 0;
if(fstat(fd, &st) < 0)
return -1;
if(st.st_blksize < 8192)
st.st_blksize = 8192;
buf = malloc(st.st_blksize);
if(buf == nil)
return -1;
n = mygetdents(fd, (void*)buf, st.st_blksize);
if(n < 0){
free(buf);
return -1;
}
n = dirpackage(fd, buf, n, dp);
free(buf);
return n;
}
__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;
}
long
dirread(int fd, Dir **d)
{
uchar *buf;
long ts;
buf = malloc(DIRMAX);
if(buf == nil)
return -1;
ts = read(fd, buf, DIRMAX);
if(ts >= 0)
ts = dirpackage(buf, ts, d);
free(buf);
return ts;
}
__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;
}
void
dump(char *path)
{
char *elem, *p, *path0, *err;
uchar buf[4096];
Fid fid;
Qid qid;
Dir *d;
Req r;
int off, i, n;
// root
memset(&fid, 0, sizeof fid);
dostat(0, &fid.qid, nil);
qid = fid.qid;
path0 = path;
while(path != nil) {
p = strchr(path, '/');
if(p != nil)
*p = '\0';
elem = path;
if(strcmp(elem, "") != 0 && strcmp(elem, ".") != 0) {
err = xwalk1(&fid, elem, &qid);
if(err != nil) {
fprint(2, "%s: %s\n", path0, err);
exits(err);
}
}
if(p)
*p++ = '/';
path = p;
}
memset(&r, 0, sizeof r);
xsrv.fake = 1;
// read and display
off = 0;
for(;;) {
r.srv = &xsrv;
r.fid = &fid;
r.ifcall.type = Tread;
r.ifcall.count = sizeof buf;
r.ifcall.offset = off;
r.ofcall.data = (char*)buf;
r.ofcall.count = 0;
xread(&r);
if(r.ofcall.type != Rread) {
fprint(2, "reading %s: %s\n", path0, r.ofcall.ename);
exits(r.ofcall.ename);
}
n = r.ofcall.count;
if(n == 0)
break;
if(off == 0 && pflag > 1) {
print("\001");
}
off += n;
if(qid.type & QTDIR) {
n = dirpackage(buf, n, &d);
for(i=0; i<n; i++)
print("%s%s\n", d[i].name, (d[i].mode&DMDIR) ? "/" : "");
free(d);
} else
write(1, buf, n);
}
}
