Lagom: Fix printf implementation on win32

It seems that Filip has already done the hard work, and found out the implementation different between unix* and windows. Borrowed from: SerenityOS/serenity@master...filiphsps:serenity:dev-win32#diff-e3209c9a434a102d0d9459e31e33ddb729dff925b95f41b9d1e56c1e7f88c487R466 Co-authored-by: Filiph Sandström <[email protected]>
luteresa · Sep 29, 2022 · 58a4403 · 58a4403
1 parent 1825760
commit 58a4403
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/AK/PrintfImplementation.h b/AK/PrintfImplementation.h
@@ -463,7 +463,14 @@ template<typename T, typename V>
 struct VaArgNextArgument {
  ALWAYS_INLINE T operator()(V ap) const
  {
+#ifdef AK_OS_WINDOWS
+ // GCC on msys2 complains about the type of ap,
+ // so let's force the compiler to belive its a
+ // va_list.
+ return va_arg((va_list&)ap, T);
+#else
  return va_arg(ap, T);
+#endif
  }
 };