Fix WriteConsole signature

include/fmt/format-inl.h

@@ -2824,12 +2824,13 @@ FMT_FUNC std::string detail::vformat(string_view format_str, format_args args) {
 
 #ifdef _WIN32
 namespace detail {
+using dword = conditional_t<sizeof(long) == 8, unsigned, unsigned long>;
 extern "C" int __stdcall WriteConsoleW(void* hConsoleOutput,
                                        const void* lpBuffer,
-                                       uint32_t nNumberOfCharsToWrite,
-                                       uint32_t* lpNumberOfCharsWritten,
+                                       dword nNumberOfCharsToWrite,
+                                       dword* lpNumberOfCharsWritten,
                                        void* lpReserved);
-}
+}  // namespace detail
 #endif
 
 FMT_FUNC void vprint(std::FILE* f, string_view format_str, format_args args) {
@@ -2840,7 +2841,7 @@ FMT_FUNC void vprint(std::FILE* f, string_view format_str, format_args args) {
   auto fd = _fileno(f);
   if (_isatty(fd)) {
     detail::utf8_to_utf16 u16(string_view(buffer.data(), buffer.size()));
-    auto written = uint32_t();
+    auto written = detail::dword();
     if (!detail::WriteConsoleW(reinterpret_cast<void*>(_get_osfhandle(fd)),
                                u16.c_str(), static_cast<uint32_t>(u16.size()),
                                &written, nullptr)) {

test/format-impl-test.cc

@@ -19,7 +19,10 @@
 #include "gtest-extra.h"
 #include "util.h"
 
-#undef max
+#ifdef _WIN32
+#  include <windows.h>
+#  undef max
+#endif
 
 using fmt::detail::bigint;
 using fmt::detail::fp;
@@ -409,3 +412,10 @@ TEST(UtilTest, WriteFallbackUIntPtr) {
       fmt::detail::fallback_uintptr(reinterpret_cast<void*>(0xface)), nullptr);
   EXPECT_EQ(s, "0xface");
 }
+
+#ifdef _WIN32
+TEST(UtilTest, WriteConsoleSignature) {
+  decltype(WriteConsoleW)* p = fmt::detail::WriteConsoleW;
+  (void)p;
+}
+#endif