Fix more build errors on win32/mingw (#270)

Author: luk1337

trantor/net/InetAddress.cc

@@ -123,7 +123,7 @@ std::string InetAddress::toIpPortNetEndian() const
     std::string buf;
     static constexpr auto bytes = sizeof(addr_.sin_port);
     buf.resize(bytes);
-#if defined _MSC_VER && _MSC_VER >= 1900
+#if defined _WIN32
     std::memcpy((PVOID)&buf[0], (PVOID)&addr_.sin_port, bytes);
 #else
     std::memcpy(&buf[0], &addr_.sin_port, bytes);
@@ -201,15 +201,15 @@ std::string InetAddress::toIp() const
     char buf[64];
     if (addr_.sin_family == AF_INET)
     {
-#if defined _MSC_VER && _MSC_VER >= 1900
+#if defined _WIN32
         ::inet_ntop(AF_INET, (PVOID)&addr_.sin_addr, buf, sizeof(buf));
 #else
         ::inet_ntop(AF_INET, &addr_.sin_addr, buf, sizeof(buf));
 #endif
     }
     else if (addr_.sin_family == AF_INET6)
     {
-#if defined _MSC_VER && _MSC_VER >= 1900
+#if defined _WIN32
         ::inet_ntop(AF_INET6, (PVOID)&addr6_.sin6_addr, buf, sizeof(buf));
 #else
         ::inet_ntop(AF_INET6, &addr6_.sin6_addr, buf, sizeof(buf));
@@ -226,7 +226,7 @@ std::string InetAddress::toIpNetEndian() const
     {
         static constexpr auto bytes = sizeof(addr_.sin_addr.s_addr);
         buf.resize(bytes);
-#if defined _MSC_VER && _MSC_VER >= 1900
+#if defined _WIN32
         std::memcpy((PVOID)&buf[0], (PVOID)&addr_.sin_addr.s_addr, bytes);
 #else
         std::memcpy(&buf[0], &addr_.sin_addr.s_addr, bytes);
@@ -236,7 +236,7 @@ std::string InetAddress::toIpNetEndian() const
     {
         static constexpr auto bytes = sizeof(addr6_.sin6_addr);
         buf.resize(bytes);
-#if defined _MSC_VER && _MSC_VER >= 1900
+#if defined _WIN32
         std::memcpy((PVOID)&buf[0], (PVOID)ip6NetEndian(), bytes);
 #else
         std::memcpy(&buf[0], ip6NetEndian(), bytes);

trantor/utils/crypto/sha256.cc

@@ -29,7 +29,7 @@
 #define SIG1(x) (ROTRIGHT(x, 17) ^ ROTRIGHT(x, 19) ^ ((x) >> 10))
 
 /**************************** VARIABLES *****************************/
-static const WORD k[64] = {
+static const unsigned int k[64] = {
     0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1,
     0x923f82a4, 0xab1c5ed5, 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
     0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, 0xe49b69c1, 0xefbe4786,