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Merge pull request #4982 from leoetlino/copy

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ESFormats: Fix GetRawTicketView
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Anthony 2017-02-27 17:08:27 -08:00 committed by GitHub
commit e375c96693
1 changed files with 8 additions and 5 deletions
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13
Source/Core/Core/IOS/ES/Formats.cpp
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@ -234,14 +234,17 @@ const std::vector<u8>& TicketReader::GetRawTicket() const
std::vector<u8> TicketReader::GetRawTicketView(u32 ticket_num) const std::vector<u8> TicketReader::GetRawTicketView(u32 ticket_num) const
{ {
// A ticket view is composed of a view ID + part of a ticket starting from the ticket_id field. // A ticket view is composed of a view ID + part of a ticket starting from the ticket_id field.
std::vector<u8> view{sizeof(TicketView)}; const auto ticket_start = m_bytes.cbegin() + (GetOffset() + sizeof(Ticket)) * ticket_num;
const auto view_start = ticket_start + offsetof(Ticket, ticket_id);
u32 view_id = Common::swap32(ticket_num); // Copy the view ID to the buffer.
std::vector<u8> view(sizeof(TicketView::view));
const u32 view_id = Common::swap32(ticket_num);
std::memcpy(view.data(), &view_id, sizeof(view_id)); std::memcpy(view.data(), &view_id, sizeof(view_id));
const size_t ticket_start = (GetOffset() + sizeof(Ticket)) * ticket_num; // Copy the rest of the ticket view structure from the ticket.
const size_t view_start = ticket_start + offsetof(Ticket, ticket_id); view.insert(view.end(), view_start, view_start + sizeof(TicketView) - sizeof(view_id));
std::memcpy(view.data() + sizeof(view_id), &m_bytes[view_start], sizeof(view) - sizeof(view_id)); _assert_(view.size() == sizeof(TicketView));
return view; return view;
} }