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Changed BDT create to correct host/network order of bytes.

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This commit is contained in:
skarg
2009-09-28 22:52:28 +00:00
parent b9367b7bde
commit d0dd6127a2
1 changed files with 7 additions and 3 deletions
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bacnet-stack/src/bvlc.c
+7 -3
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@@ -541,13 +541,17 @@ static bool bvlc_create_bdt(
{ {
bool status = false; bool status = false;
unsigned i = 0; unsigned i = 0;
uint16_t pdu_offset = 0;
for (i = 0; i < MAX_BBMD_ENTRIES; i++) { for (i = 0; i < MAX_BBMD_ENTRIES; i++) {
if (npdu_length >= 10) { if (npdu_length >= 10) {
BBMD_Table[i].valid = true; BBMD_Table[i].valid = true;
BBMD_Table[i].dest_address.s_addr = ntohl(&npdu[0]); BBMD_Table[i].dest_address.s_addr = ntohl(*(long *)&npdu[pdu_offset]);
BBMD_Table[i].dest_port = ntohs(&npdu[4]); pdu_offset += 4;
BBMD_Table[i].broadcast_mask.s_addr = ntohl(&npdu[6]); BBMD_Table[i].dest_port = ntohs(*(short *)&npdu[pdu_offset]);
pdu_offset += 2;
BBMD_Table[i].broadcast_mask.s_addr = ntohl(*(long *)&npdu[pdu_offset]);
pdu_offset += 4;
npdu_length -= 10; npdu_length -= 10;
} else { } else {
BBMD_Table[i].valid = false; BBMD_Table[i].valid = false;