Re: [9fans] venti woes with brand new install

[erik quanstrom]

> found it!
> 
> that is "defghijklmnopqrstuv..." instead of the expected "1234567890abc..."
> 
> 13 bytes!
> 
> b->data is incremented (and b->len decremented)13 bytes to skip the 
> "venti config" magic in readifile() ifile.c:39.
> and freezblock() alculates the position of the zmagic by b->data + b->_size.
> 
> maybe add a b->_data in ZBuffer or fix ifile.c?
> 
> cinap

this might not fix everything as the tail magic was corrupted, too.

- erik


n/sources/plan9//sys/src/cmd/venti/srv/ifile.c:36,43 - ifile.c:36,44
                        freepart(p);
                        return -1;
                }
-               b->data += m;
-               b->len -= m;
+               memmove(b->data, b->data+m, 8192-m);
+               memset(b->data+8192-m, 0, 8192-m);
+ 
                z = memchr(b->data, 0, b->len);
                if(z)
                        b->len = z - b->data;