3 files changed, 11 insertions, 13 deletions
diff --git a/loader/atlas.cpp b/loader/atlas.cpp
index ede9f8ec..0f492119 100644
--- a/loader/atlas.cpp
+++ b/loader/atlas.cpp
@@ -27,6 +27,16 @@ StringView loader_::make_atlas_path(char(&buf)[FILENAME_MAX], StringView dir, St
     return StringView{buf};
 }
 
+bool loader_::check_atlas_name(StringView str) noexcept
+{
+    if (!str || str[0] == '.' || str[0] == '/')
+        return false;
+    if (str.findAny("\\\"'\n\r\t\a\033\0|$!%{}#^*?<>&;:^"_s) || str.find("/."_s))
+        return false;
+
+    return true;
+}
+
 } // namespace floormat
 
 namespace floormat::loader_detail {
@@ -129,16 +139,4 @@ void loader_impl::get_anim_atlas_list()
     }
 }
 
-bool loader_impl::check_atlas_name(StringView str)
-{
-    if (str.isEmpty())
-        return false;
-    if (str.findAny("\n\r\t\0\\|$<>&;:^'\""_s) || str.find("/."_s))
-        return false;
-    if (str[0] == '.' || str[0] == '/')
-        return false;
-
-    return true;
-}
-
 } // namespace floormat::loader_detail
diff --git a/loader/impl.hpp b/loader/impl.hpp
index d0159a3d..13087ff3 100644
--- a/loader/impl.hpp
+++ b/loader/impl.hpp
@@ -54,7 +54,6 @@ struct loader_impl final : loader_
     StringView startup_directory() noexcept override;
     static void system_init();
     static bool chdir(StringView pathname);
-    [[nodiscard]] static bool check_atlas_name(StringView name);
     void ensure_plugins();
 
     explicit loader_impl();
diff --git a/loader/loader.hpp b/loader/loader.hpp
index 484c5102..ce331203 100644
--- a/loader/loader.hpp
+++ b/loader/loader.hpp
@@ -40,6 +40,7 @@ struct loader_
     virtual const vobj_info& vobj(StringView name) = 0;
     virtual ArrayView<struct vobj_info> vobj_list() = 0;
     static StringView make_atlas_path(char(&buf)[FILENAME_MAX], StringView dir, StringView name);
+    [[nodiscard]] static bool check_atlas_name(StringView name) noexcept;
 
     loader_(const loader_&) = delete;
     loader_& operator=(const loader_&) = delete;