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Avoid an unknown value from attachment rewind

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This commit is contained in:
Benau 2018-02-09 17:59:48 +08:00
parent 4d75042f3b
commit 366313d29d
1 changed files with 6 additions and 0 deletions
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6
src/items/attachment.cpp
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@ -269,7 +269,13 @@ void Attachment::saveState(BareNetworkString *buffer) const
void Attachment::rewindTo(BareNetworkString *buffer) void Attachment::rewindTo(BareNetworkString *buffer)
{ {
uint8_t type = buffer->getUInt8(); uint8_t type = buffer->getUInt8();
AttachmentType new_type = AttachmentType(type & 0x7f); // mask out bit 7 AttachmentType new_type = AttachmentType(type & 0x7f); // mask out bit 7
// FIXME Sometimes type == 255 is returned, reason unknown
if (new_type > ATTACH_NOTHING)
{
return;
}
// If there is no attachment, clear the attachment if necessary and exit // If there is no attachment, clear the attachment if necessary and exit
if(new_type==ATTACH_NOTHING) if(new_type==ATTACH_NOTHING)