Fix `-target:js_wasm32` for `core:runtime`

1 files changed, 39 insertions, 0 deletions

diff --git a/core/runtime/default_allocators_windows.odin b/core/runtime/default_allocators_windows.odin
new file mode 100644
index 000000000..64b2dd23e
--- /dev/null
+++ b/core/runtime/default_allocators_windows.odin
@@ -0,0 +1,39 @@
+//+build windows
+package runtime
+
+default_allocator_proc :: proc(allocator_data: rawptr, mode: Allocator_Mode,
+                                size, alignment: int,
+                                old_memory: rawptr, old_size: int, loc := #caller_location) -> ([]byte, Allocator_Error) {
+	switch mode {
+	case .Alloc:
+		return _windows_default_alloc(size, alignment);
+
+	case .Free:
+		_windows_default_free(old_memory);
+
+	case .Free_All:
+		// NOTE(tetra): Do nothing.
+
+	case .Resize:
+		return _windows_default_resize(old_memory, old_size, size, alignment);
+
+	case .Query_Features:
+		set := (^Allocator_Mode_Set)(old_memory);
+		if set != nil {
+			set^ = {.Alloc, .Free, .Resize, .Query_Features};
+		}
+		return nil, nil;
+
+	case .Query_Info:
+		return nil, nil;
+	}
+
+	return nil, nil;
+}
+
+default_allocator :: proc() -> Allocator {
+	return Allocator{
+		procedure = default_allocator_proc,
+		data = nil,
+	};
+}