From 091b449a54d126194616806aa727d00ecae12c10 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?D=C4=81vis=20Mos=C4=81ns?= <davispuh@gmail.com>
Date: Mon, 2 Feb 2026 19:05:57 +0200
Subject: [PATCH] Fix function array argument calling convention

---
 lib/ffi_generator/generators/from_c_generator/array_type.rb   | 4 ++--
 .../generators/from_c_generator/by_value_type.rb              | 2 +-
 lib/ffi_generator/generators/from_c_generator/enum.rb         | 2 +-
 .../generators/from_c_generator/function_or_callback.rb       | 4 ++--
 lib/ffi_generator/generators/from_c_generator/pointer_type.rb | 2 +-
 .../generators/from_c_generator/primitive_type.rb             | 2 +-
 lib/ffi_generator/generators/from_c_generator/string_type.rb  | 2 +-
 .../generators/from_c_generator/struct_or_union.rb            | 2 +-
 lib/ffi_generator/generators/from_c_generator/unknown_type.rb | 2 +-
 9 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/lib/ffi_generator/generators/from_c_generator/array_type.rb b/lib/ffi_generator/generators/from_c_generator/array_type.rb
index f4b4955..01b2fc0 100644
--- a/lib/ffi_generator/generators/from_c_generator/array_type.rb
+++ b/lib/ffi_generator/generators/from_c_generator/array_type.rb
@@ -15,8 +15,8 @@ def ruby_name
         "array"
       end
 
-      def ruby_ffi_type
-        if @constant_size
+      def ruby_ffi_type(usecase = nil)
+        if @constant_size && usecase != :function_argument
           "[#{@element_type.ruby_ffi_type}, #{@constant_size}]"
         else
           ":pointer"
diff --git a/lib/ffi_generator/generators/from_c_generator/by_value_type.rb b/lib/ffi_generator/generators/from_c_generator/by_value_type.rb
index 394ee80..e2593d1 100644
--- a/lib/ffi_generator/generators/from_c_generator/by_value_type.rb
+++ b/lib/ffi_generator/generators/from_c_generator/by_value_type.rb
@@ -14,7 +14,7 @@ def ruby_name
         @inner_type.ruby_name
       end
 
-      def ruby_ffi_type
+      def ruby_ffi_type(usecase = nil)
         "#{@inner_type.ruby_ffi_type}.by_value"
       end
 
diff --git a/lib/ffi_generator/generators/from_c_generator/enum.rb b/lib/ffi_generator/generators/from_c_generator/enum.rb
index ab3581d..922278d 100644
--- a/lib/ffi_generator/generators/from_c_generator/enum.rb
+++ b/lib/ffi_generator/generators/from_c_generator/enum.rb
@@ -51,7 +51,7 @@ def ruby_name
         @ruby_name ||= @name.to_ruby_downcase
       end
 
-      def ruby_ffi_type
+      def ruby_ffi_type(usecase = nil)
         ":#{ruby_name}"
       end
 
diff --git a/lib/ffi_generator/generators/from_c_generator/function_or_callback.rb b/lib/ffi_generator/generators/from_c_generator/function_or_callback.rb
index 47a2da1..f46ebcc 100644
--- a/lib/ffi_generator/generators/from_c_generator/function_or_callback.rb
+++ b/lib/ffi_generator/generators/from_c_generator/function_or_callback.rb
@@ -32,7 +32,7 @@ def write_ruby
           writer.puts "@scope class"
         end
 
-        ffi_signature = "[#{@parameters.map{ |parameter| parameter[:type].ruby_ffi_type }.join(', ')}], #{@return_type.ruby_ffi_type}"
+        ffi_signature = "[#{@parameters.map{ |parameter| parameter[:type].ruby_ffi_type(:function_argument) }.join(', ')}], #{@return_type.ruby_ffi_type}"
 
         if @is_callback
           write_callback(ruby_name, ffi_signature)
@@ -69,7 +69,7 @@ def ruby_name
         @ruby_name ||= @name.to_ruby_downcase
       end
 
-      def ruby_ffi_type
+      def ruby_ffi_type(usecase = nil)
         ":#{ruby_name}"
       end
 
diff --git a/lib/ffi_generator/generators/from_c_generator/pointer_type.rb b/lib/ffi_generator/generators/from_c_generator/pointer_type.rb
index eae0cf7..888b615 100644
--- a/lib/ffi_generator/generators/from_c_generator/pointer_type.rb
+++ b/lib/ffi_generator/generators/from_c_generator/pointer_type.rb
@@ -17,7 +17,7 @@ def ruby_name
         @pointee_name.to_ruby_downcase
       end
 
-      def ruby_ffi_type
+      def ruby_ffi_type(usecase = nil)
         ":pointer"
       end
 
diff --git a/lib/ffi_generator/generators/from_c_generator/primitive_type.rb b/lib/ffi_generator/generators/from_c_generator/primitive_type.rb
index 708769a..bb9c251 100644
--- a/lib/ffi_generator/generators/from_c_generator/primitive_type.rb
+++ b/lib/ffi_generator/generators/from_c_generator/primitive_type.rb
@@ -23,7 +23,7 @@ def ruby_name
         end
       end
 
-      def ruby_ffi_type
+      def ruby_ffi_type(usecase = nil)
         case @clang_type
         when :void            then ":void"
         when :bool            then ":bool"
diff --git a/lib/ffi_generator/generators/from_c_generator/string_type.rb b/lib/ffi_generator/generators/from_c_generator/string_type.rb
index 79d0cbd..eeb9170 100644
--- a/lib/ffi_generator/generators/from_c_generator/string_type.rb
+++ b/lib/ffi_generator/generators/from_c_generator/string_type.rb
@@ -10,7 +10,7 @@ def ruby_name
         "String"
       end
 
-      def ruby_ffi_type
+      def ruby_ffi_type(usecase = nil)
         ":string"
       end
 
diff --git a/lib/ffi_generator/generators/from_c_generator/struct_or_union.rb b/lib/ffi_generator/generators/from_c_generator/struct_or_union.rb
index 74cc46f..211981a 100644
--- a/lib/ffi_generator/generators/from_c_generator/struct_or_union.rb
+++ b/lib/ffi_generator/generators/from_c_generator/struct_or_union.rb
@@ -70,7 +70,7 @@ def ruby_name
         @ruby_name ||= @name.to_ruby_classname
       end
 
-      def ruby_ffi_type
+      def ruby_ffi_type(usecase = nil)
         @written ? ruby_name : ":pointer"
       end
 
diff --git a/lib/ffi_generator/generators/from_c_generator/unknown_type.rb b/lib/ffi_generator/generators/from_c_generator/unknown_type.rb
index 60e05d2..a19361b 100644
--- a/lib/ffi_generator/generators/from_c_generator/unknown_type.rb
+++ b/lib/ffi_generator/generators/from_c_generator/unknown_type.rb
@@ -10,7 +10,7 @@ def ruby_name
         "error_unknown"
       end
 
-      def ruby_ffi_type
+      def ruby_ffi_type(usecase = nil)
         ":char"
       end