void relocInfo::set_type(relocType t) {
int old_offset = addr_offset();
int old_format = format();
(*this) = relocInfo(t, old_offset, old_format);
assert(type()==(int)t, "sanity check");
assert(addr_offset()==old_offset, "sanity check");
assert(format()==old_format, "sanity check");
}
static void do_parse_addrs(const cdp_data *d, char *data, size_t len)
{
struct cdp_addrs *as = (struct cdp_addrs *)data;
if (sizeof as->cnt > len)
return;
as->cnt = ntohl(as->cnt);
printf("%s %u as->cnt=%lu\n", __func__, __LINE__, (unsigned long)as->cnt);
if (as->cnt > 0 && len >= CDP_ADDR_MINBYTES) {
struct cdp_addr *a = &as->addr;
struct cdp_addr_addr *aa = (struct cdp_addr_addr *)((char *)a + addr_offset(a, len, 1));
aa->len = ntohs(aa->len);
}
}
static size_t do_dump_addrs(const cdp_data *d, const char *data, size_t len, FILE *out)
{
struct cdp_addrs *as = (struct cdp_addrs *)data;
u32 cnt = as->cnt;
int bytes = fprintf(out, "cnt=%lu", (unsigned long)as->cnt);
assert(cnt < 5);
while (cnt--) {
const struct cdp_addr *a = (struct cdp_addr *)&as->addr;
bytes += fprintf(out, "(type=%u len=%u", a->type, a->len);
if (1 == a->len && Addr_Type_NLPID == a->type && Addr_Prot_IP == a->prot.nlpid) {
struct cdp_addr_addr *aa = (struct cdp_addr_addr *)((char *)a + sizeof a->type + sizeof a->len + sizeof a->prot.nlpid);
if (4 == aa->len) {
const u8 *ip = (u8 *)aa->data;
bytes += fprintf(out, " ip=%u.%u.%u.%u", ip[0], ip[1], ip[2], ip[3]);
}
}
fputc(')', out);
bytes++;
a = (struct cdp_addr *)((char *)a + addr_offset(a, len - ((char *)a - data), 0));
}
return (size_t)bytes;
}
void relocInfo::set_format(int f) {
int old_offset = addr_offset();
assert((f & format_mask) == f, "wrong format");
_value = (_value & ~(format_mask << offset_width)) | (f << offset_width);
assert(addr_offset()==old_offset, "sanity check");
}
