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Explicit void cast for unused return values

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This commit is contained in:
Pavel Kirienko
2014-04-19 17:45:03 +04:00
parent b2c021397d
commit f31d46ea6c
12 changed files with 26 additions and 26 deletions
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libuavcan_drivers/linux/include/uavcan_linux/socketcan.hpp
+6 -6
View File
@@ -51,7 +51,7 @@ class SocketCanIface : public uavcan::ICanIface
static inline ::can_frame makeSocketCanFrame(const uavcan::CanFrame& uavcan_frame)
{
::can_frame sockcan_frame { uavcan_frame.id & uavcan::CanFrame::MaskExtID, uavcan_frame.dlc, { } };
std::copy(uavcan_frame.data, uavcan_frame.data + uavcan_frame.dlc, sockcan_frame.data);
(void)std::copy(uavcan_frame.data, uavcan_frame.data + uavcan_frame.dlc, sockcan_frame.data);
if (uavcan_frame.isExtended())
{
sockcan_frame.can_id |= CAN_EFF_FLAG;
@@ -152,7 +152,7 @@ class SocketCanIface : public uavcan::ICanIface
{
if (pending_loopback_ids_.count(frame.id) > 0)
{
pending_loopback_ids_.erase(frame.id);
(void)pending_loopback_ids_.erase(frame.id);
return true;
}
return false;
@@ -214,7 +214,7 @@ class SocketCanIface : public uavcan::ICanIface
if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SO_TIMESTAMP)
{
auto tv = ::timeval();
std::memcpy(&tv, CMSG_DATA(cmsg), sizeof(tv)); // Copy to avoid alignment problems
(void)std::memcpy(&tv, CMSG_DATA(cmsg), sizeof(tv)); // Copy to avoid alignment problems
assert(tv.tv_sec >= 0 && tv.tv_usec >= 0);
ts_utc = uavcan::UtcTime::fromUSec(std::uint64_t(tv.tv_sec) * 1000000ULL + tv.tv_usec);
}
@@ -245,7 +245,7 @@ class SocketCanIface : public uavcan::ICanIface
incrementNumFramesInSocketTxQueue();
if (tx.flags & uavcan::CanIOFlagLoopback)
{
pending_loopback_ids_.insert(tx.frame.id);
(void)pending_loopback_ids_.insert(tx.frame.id);
}
}
else
@@ -437,7 +437,7 @@ public:
{
goto fail;
}
std::strncpy(ifr.ifr_name, iface_name.c_str(), iface_name.length());
(void)std::strncpy(ifr.ifr_name, iface_name.c_str(), iface_name.length());
if (::ioctl(s, SIOCGIFINDEX, &ifr) < 0 || ifr.ifr_ifindex < 0)
{
goto fail;
@@ -474,7 +474,7 @@ public:
return s;
fail:
::close(s);
(void)::close(s);
return -1;
}
};