clang-format: Update to match docs repo

Update the .clang-format file and run clang-format-6.0.
This .clang-format matches the example one in
https://github.com/openbmc/docs/blob/master/cpp-style-and-conventions.md#clang-formatting

Change-Id: Ia331c9a5b040e1a3c45a0ebf1b8d776d93b05ae5
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/util.cpp b/util.cpp
index 4297590..b66f908 100644
--- a/util.cpp
+++ b/util.cpp
@@ -34,12 +34,12 @@
     uint8_t pos = 0;
     uint8_t prevPos = 0;
     uint8_t cidr = 0;
-    uint16_t buff {};
+    uint16_t buff{};
     do
     {
-        //subnet mask look like ffff:ffff::
+        // subnet mask look like ffff:ffff::
         // or ffff:c000::
-        pos =  subnetMask.find(":", prevPos);
+        pos = subnetMask.find(":", prevPos);
         if (pos == std::string::npos)
         {
             break;
@@ -53,7 +53,7 @@
         {
             return cidr;
         }
-        //converts it into number.
+        // converts it into number.
         if (sscanf(str.c_str(), "%hx", &buff) <= 0)
         {
             log<level::ERR>("Invalid Mask",
@@ -69,7 +69,8 @@
 
         if (__builtin_popcount(buff) != 16)
         {
-            if (((sizeof(buff) * 8) - (__builtin_ctz(buff))) != __builtin_popcount(buff))
+            if (((sizeof(buff) * 8) - (__builtin_ctz(buff))) !=
+                __builtin_popcount(buff))
             {
                 log<level::ERR>("Invalid Mask",
                                 entry("SUBNETMASK=%s", subnetMask.c_str()));
@@ -81,12 +82,11 @@
         }
 
         cidr += 16;
-    }
-    while (1);
+    } while (1);
 
     return cidr;
 }
-}// anonymous namespace
+} // anonymous namespace
 
 uint8_t toCidr(int addressFamily, const std::string& subnetMask)
 {
@@ -107,7 +107,8 @@
 
     buff = be32toh(buff);
     // total no of bits - total no of leading zero == total no of ones
-    if (((sizeof(buff) * 8) - (__builtin_ctz(buff))) == __builtin_popcount(buff))
+    if (((sizeof(buff) * 8) - (__builtin_ctz(buff))) ==
+        __builtin_popcount(buff))
     {
         return __builtin_popcount(buff);
     }
@@ -123,19 +124,18 @@
 {
     if (addressFamily == AF_INET6)
     {
-        //TODO:- conversion for v6
+        // TODO:- conversion for v6
         return "";
     }
 
     if (prefix < 1 || prefix > 30)
     {
-        log<level::ERR>("Invalid Prefix",
-                        entry("PREFIX=%d", prefix));
+        log<level::ERR>("Invalid Prefix", entry("PREFIX=%d", prefix));
         return "";
     }
     /* Create the netmask from the number of bits */
     unsigned long mask = 0;
-    for (auto i = 0 ; i < prefix ; i++)
+    for (auto i = 0; i < prefix; i++)
     {
         mask |= 1 << (31 - i);
     }
@@ -149,12 +149,13 @@
 {
     unsigned char* pntMask = nullptr;
     unsigned char* pntNetwork = nullptr;
-    int bit {};
-    int offset {};
-    struct in6_addr netmask {};
+    int bit{};
+    int offset{};
+    struct in6_addr netmask
+    {
+    };
     const u_char maskbit[] = {0x00, 0x80, 0xc0, 0xe0, 0xf0,
-                              0xf8, 0xfc, 0xfe, 0xff
-                             };
+                              0xf8, 0xfc, 0xfe, 0xff};
 
     pntMask = reinterpret_cast<unsigned char*>(&netmask);
 
@@ -186,13 +187,13 @@
     pntMask = reinterpret_cast<unsigned char*>(&netmask);
     pntNetwork = reinterpret_cast<unsigned char*>(&ipaddressNetwork);
 
-    for (int i = 0; i < 16 ; i++)
+    for (int i = 0; i < 16; i++)
     {
         pntNetwork[i] = pntNetwork[i] & pntMask[i];
     }
 
-    //convert the network address into string fomat.
-    char networkString[INET6_ADDRSTRLEN] = { 0 };
+    // convert the network address into string fomat.
+    char networkString[INET6_ADDRSTRLEN] = {0};
     if (inet_ntop(addressFamily, &ipaddressNetwork, networkString,
                   INET6_ADDRSTRLEN) == NULL)
     {
@@ -239,7 +240,7 @@
 
 IntfAddrMap getInterfaceAddrs()
 {
-    IntfAddrMap intfMap {};
+    IntfAddrMap intfMap{};
     struct ifaddrs* ifaddr = nullptr;
 
     // attempt to fill struct with ifaddrs
@@ -254,7 +255,7 @@
     AddrPtr ifaddrPtr(ifaddr);
     ifaddr = nullptr;
 
-    std::string intfName {};
+    std::string intfName{};
 
     for (ifaddrs* ifa = ifaddrPtr.get(); ifa != nullptr; ifa = ifa->ifa_next)
     {
@@ -275,36 +276,32 @@
                 continue;
             }
             intfName = ifa->ifa_name;
-            AddrInfo info {};
-            char ip[INET6_ADDRSTRLEN] = { 0 };
-            char subnetMask[INET6_ADDRSTRLEN] = { 0 };
+            AddrInfo info{};
+            char ip[INET6_ADDRSTRLEN] = {0};
+            char subnetMask[INET6_ADDRSTRLEN] = {0};
 
             if (ifa->ifa_addr->sa_family == AF_INET)
             {
 
                 inet_ntop(ifa->ifa_addr->sa_family,
                           &(((struct sockaddr_in*)(ifa->ifa_addr))->sin_addr),
-                          ip,
-                          sizeof(ip));
+                          ip, sizeof(ip));
 
-                inet_ntop(ifa->ifa_addr->sa_family,
-                          &(((struct sockaddr_in*)(ifa->ifa_netmask))->sin_addr),
-                          subnetMask,
-                          sizeof(subnetMask));
-
+                inet_ntop(
+                    ifa->ifa_addr->sa_family,
+                    &(((struct sockaddr_in*)(ifa->ifa_netmask))->sin_addr),
+                    subnetMask, sizeof(subnetMask));
             }
             else
             {
                 inet_ntop(ifa->ifa_addr->sa_family,
                           &(((struct sockaddr_in6*)(ifa->ifa_addr))->sin6_addr),
-                          ip,
-                          sizeof(ip));
+                          ip, sizeof(ip));
 
-                inet_ntop(ifa->ifa_addr->sa_family,
-                          &(((struct sockaddr_in6*)(ifa->ifa_netmask))->sin6_addr),
-                          subnetMask,
-                          sizeof(subnetMask));
-
+                inet_ntop(
+                    ifa->ifa_addr->sa_family,
+                    &(((struct sockaddr_in6*)(ifa->ifa_netmask))->sin6_addr),
+                    subnetMask, sizeof(subnetMask));
             }
 
             info.addrType = ifa->ifa_addr->sa_family;
@@ -318,7 +315,7 @@
 
 InterfaceList getInterfaces()
 {
-    InterfaceList interfaces {};
+    InterfaceList interfaces{};
     struct ifaddrs* ifaddr = nullptr;
 
     // attempt to fill struct with ifaddrs
@@ -337,8 +334,7 @@
     {
         // walk interfaces
         // if loopback, or not running ignore
-        if ((ifa->ifa_flags & IFF_LOOPBACK) ||
-             !(ifa->ifa_flags & IFF_RUNNING))
+        if ((ifa->ifa_flags & IFF_LOOPBACK) || !(ifa->ifa_flags & IFF_RUNNING))
         {
             continue;
         }
@@ -347,27 +343,24 @@
     return interfaces;
 }
 
-
 void deleteInterface(const std::string& intf)
 {
     pid_t pid = fork();
-    int status {};
+    int status{};
 
     if (pid == 0)
     {
 
         execl("/sbin/ip", "ip", "link", "delete", "dev", intf.c_str(), nullptr);
         auto error = errno;
-        log<level::ERR>("Couldn't delete the device",
-                        entry("ERRNO=%d", error),
+        log<level::ERR>("Couldn't delete the device", entry("ERRNO=%d", error),
                         entry("INTF=%s", intf.c_str()));
         elog<InternalFailure>();
     }
     else if (pid < 0)
     {
         auto error = errno;
-        log<level::ERR>("Error occurred during fork",
-                        entry("ERRNO=%d", error));
+        log<level::ERR>("Error occurred during fork", entry("ERRNO=%d", error));
         elog<InternalFailure>();
     }
     else if (pid > 0)
@@ -375,13 +368,13 @@
         while (waitpid(pid, &status, 0) == -1)
         {
             if (errno != EINTR)
-            {   /* Error other than EINTR */
+            { /* Error other than EINTR */
                 status = -1;
                 break;
             }
         }
 
-        if(status < 0)
+        if (status < 0)
         {
             log<level::ERR>("Unable to delete the interface",
                             entry("INTF=%s", intf.c_str()),
@@ -395,7 +388,7 @@
 {
     bool dhcp = false;
     // Get the interface mode value from systemd conf
-    //using namespace std::string_literals;
+    // using namespace std::string_literals;
     fs::path confPath = confDir;
     std::string fileName = systemd::config::networkFilePrefix + intf +
                            systemd::config::networkFileSuffix;
@@ -409,7 +402,7 @@
     if (rc != config::ReturnCode::SUCCESS)
     {
         log<level::DEBUG>("Unable to get the value for Network[DHCP]",
-                entry("RC=%d", rc));
+                          entry("RC=%d", rc));
         return dhcp;
     }
     // There will be only single value for DHCP key.
@@ -427,7 +420,7 @@
 {
     using namespace std::string_literals;
     pid_t pid = fork();
-    int status {};
+    int status{};
 
     if (pid == 0)
     {
@@ -436,9 +429,9 @@
         // create the command from var args.
         std::string command = path + " "s;
 
-        for(int i = 0; args[i]; i++)
+        for (int i = 0; args[i]; i++)
         {
-             command += args[i] + " "s;
+            command += args[i] + " "s;
         }
 
         log<level::ERR>("Couldn't exceute the command",
@@ -449,8 +442,7 @@
     else if (pid < 0)
     {
         auto error = errno;
-        log<level::ERR>("Error occurred during fork",
-                        entry("ERRNO=%d", error));
+        log<level::ERR>("Error occurred during fork", entry("ERRNO=%d", error));
         elog<InternalFailure>();
     }
     else if (pid > 0)
@@ -458,16 +450,16 @@
         while (waitpid(pid, &status, 0) == -1)
         {
             if (errno != EINTR)
-            {   //Error other than EINTR
+            { // Error other than EINTR
                 status = -1;
                 break;
             }
         }
 
-        if(status < 0)
+        if (status < 0)
         {
             std::string command = path + " "s;
-            for(int i = 0; args[i]; i++)
+            for (int i = 0; args[i]; i++)
             {
                 command += args[i] + " "s;
             }
@@ -478,9 +470,8 @@
             elog<InternalFailure>();
         }
     }
-
 }
-} //namespace internal
+} // namespace internal
 
 namespace mac_address
 {
@@ -494,12 +485,12 @@
 using DbusObjectPath = std::string;
 using DbusService = std::string;
 using DbusInterface = std::string;
-using ObjectTree = std::map<DbusObjectPath,
-                            std::map<DbusService, std::vector<DbusInterface>>>;
+using ObjectTree =
+    std::map<DbusObjectPath, std::map<DbusService, std::vector<DbusInterface>>>;
 
 constexpr auto invBus = "xyz.openbmc_project.Inventory.Manager";
 constexpr auto invNetworkIntf =
-        "xyz.openbmc_project.Inventory.Item.NetworkInterface";
+    "xyz.openbmc_project.Inventory.Item.NetworkInterface";
 constexpr auto invRoot = "/xyz/openbmc_project/inventory";
 
 std::string getfromInventory(sdbusplus::bus::bus& bus)
@@ -509,10 +500,8 @@
 
     auto depth = 0;
 
-    auto mapperCall = bus.new_method_call(mapperBus,
-                                          mapperObj,
-                                          mapperIntf,
-                                          "GetSubTree");
+    auto mapperCall =
+        bus.new_method_call(mapperBus, mapperObj, mapperIntf, "GetSubTree");
 
     mapperCall.append(invRoot, depth, interfaces);
 
@@ -540,18 +529,15 @@
 
     sdbusplus::message::variant<std::string> value;
 
-    auto method = bus.new_method_call(
-                      service.c_str(),
-                      objPath.c_str(),
-                      propIntf,
-                      methodGet);
+    auto method = bus.new_method_call(service.c_str(), objPath.c_str(),
+                                      propIntf, methodGet);
 
     method.append(invNetworkIntf, "MACAddress");
 
     auto reply = bus.call(method);
     if (reply.is_method_error())
     {
-         log<level::ERR>("Failed to get MACAddress",
+        log<level::ERR>("Failed to get MACAddress",
                         entry("PATH=%s", objPath.c_str()),
                         entry("INTERFACE=%s", invNetworkIntf));
         elog<InternalFailure>();
@@ -561,6 +547,6 @@
     return value.get<std::string>();
 }
 
-}//namespace mac_address
-}//namespace network
-}//namespace phosphor
+} // namespace mac_address
+} // namespace network
+} // namespace phosphor