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Allow for parsing an expected broadcast address

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This commit is contained in:
Jeremy Lakeman 2012-09-06 16:44:05 +09:30
parent 472a7cea20
commit 9e86bb476e
1 changed files with 8 additions and 1 deletions
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9
overlay_address.c
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@ -271,6 +271,8 @@ int find_subscr_buffer(struct overlay_buffer *b, int len, int create, struct sub
unsigned char *id = ob_get_bytes_ptr(b, len);
if (!id)
return WHY("Not enough space in buffer to parse address");
if (!subscriber)
return WHY("Expected subscriber");
*subscriber=find_subscriber(id, len, create);
if (!*subscriber){
@ -295,7 +297,8 @@ int overlay_address_parse(struct overlay_buffer *b, struct broadcast *broadcast,
switch(code){
case OA_CODE_BROADCAST:
b->position++;
*subscriber=NULL;
if (subscriber)
*subscriber=NULL;
if (!broadcast)
return WHY("No broadcast structure for receiving broadcast address");
@ -307,6 +310,8 @@ int overlay_address_parse(struct overlay_buffer *b, struct broadcast *broadcast,
case OA_CODE_SELF:
b->position++;
if (!subscriber)
return WHY("Expected subscriber");
if (!sender){
INFO("Could not resolve address, sender has not been set");
return 1;
@ -317,6 +322,8 @@ int overlay_address_parse(struct overlay_buffer *b, struct broadcast *broadcast,
case OA_CODE_PREVIOUS:
b->position++;
if (!subscriber)
return WHY("Expected subscriber");
// previous may be null, if the previous address was a broadcast.
// In this case we want the subscriber to be null as well and not report an error,
if (previous)