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SVC: Replace GetPointer usage with ReadCString in ConnectToPort.

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Subv
2017-10-04 12:05:13 -05:00
parent 3c0113632d
commit 7b09b30ef1
2 changed files with 9 additions and 20 deletions
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14
src/core/hle/svc.cpp
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@ -201,17 +201,21 @@ static ResultCode UnmapMemoryBlock(Kernel::Handle handle, u32 addr) {
}
/// Connect to an OS service given the port name, returns the handle to the port to out
static ResultCode ConnectToPort(Kernel::Handle* out_handle, const char* port_name) {
if (port_name == nullptr)
static ResultCode ConnectToPort(Kernel::Handle* out_handle, VAddr port_name_address) {
if (!Memory::IsValidVirtualAddress(port_name_address))
return Kernel::ERR_NOT_FOUND;
if (std::strlen(port_name) > 11)
static constexpr std::size_t PortNameMaxLength = 11;
// Read 1 char beyond the max allowed port name to detect names that are too long.
std::string port_name = Memory::ReadCString(port_name_address, PortNameMaxLength + 1);
if (port_name.size() > PortNameMaxLength)
return Kernel::ERR_PORT_NAME_TOO_LONG;
LOG_TRACE(Kernel_SVC, "called port_name=%s", port_name);
LOG_TRACE(Kernel_SVC, "called port_name=%s", port_name.c_str());
auto it = Service::g_kernel_named_ports.find(port_name);
if (it == Service::g_kernel_named_ports.end()) {
LOG_WARNING(Kernel_SVC, "tried to connect to unknown port: %s", port_name);
LOG_WARNING(Kernel_SVC, "tried to connect to unknown port: %s", port_name.c_str());
return Kernel::ERR_NOT_FOUND;
}