9 if(n < 256 || n > VtMaxLumpSize) {
10 werrstr("bad block size");
17 vtrootpack(VtRoot *r, uchar *p)
21 U16PUT(p, VtRootVersion);
23 memmove(p, r->name, sizeof(r->name));
25 memmove(p, r->type, sizeof(r->type));
27 memmove(p, r->score, VtScoreSize);
29 U16PUT(p, r->blocksize);
31 memmove(p, r->prev, VtScoreSize);
34 assert(p-op == VtRootSize);
38 vtrootunpack(VtRoot *r, uchar *p)
42 memset(r, 0, sizeof(*r));
45 if(vers != VtRootVersion) {
46 werrstr("unknown root version");
50 memmove(r->name, p, sizeof(r->name));
51 r->name[sizeof(r->name)-1] = 0;
53 memmove(r->type, p, sizeof(r->type));
54 r->type[sizeof(r->type)-1] = 0;
56 memmove(r->score, p, VtScoreSize);
58 r->blocksize = U16GET(p);
59 if(checksize(r->blocksize) < 0)
62 memmove(r->prev, p, VtScoreSize);
65 assert(p-op == VtRootSize);