From bea28086c57f68b4e0b7e278da7472e8bfef9c87 Mon Sep 17 00:00:00 2001
From: Samuel Williams <samuel.williams@oriontransfer.co.nz>
Date: Sat, 19 Apr 2025 10:20:18 +0900
Subject: [PATCH] Tidy up `rb_io_fptr_finalize`.

---
 internal/io.h |  2 ++
 io.c          | 24 ++++++------------------
 2 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/internal/io.h b/internal/io.h
index f564eb133023c8..0fcb72ffab89ab 100644
--- a/internal/io.h
+++ b/internal/io.h
@@ -125,6 +125,8 @@ VALUE rb_io_prep_stdin(void);
 VALUE rb_io_prep_stdout(void);
 VALUE rb_io_prep_stderr(void);
 
+int rb_io_fptr_finalize(struct rb_io *fptr);
+
 RUBY_SYMBOL_EXPORT_BEGIN
 /* io.c (export) */
 void rb_maygvl_fd_fix_cloexec(int fd);
diff --git a/io.c b/io.c
index a8565e2559eb03..7f4efca8da3b5a 100644
--- a/io.c
+++ b/io.c
@@ -5674,27 +5674,15 @@ rb_io_fptr_cleanup_all(rb_io_t *fptr)
     clear_codeconv(fptr);
 }
 
-void
-rb_io_fptr_finalize_internal(void *ptr)
-{
-    if (!ptr) return;
-    rb_io_fptr_cleanup_all(ptr);
-    free(ptr);
-}
-
-#undef rb_io_fptr_finalize
 int
-rb_io_fptr_finalize(rb_io_t *fptr)
+rb_io_fptr_finalize(struct rb_io *io)
 {
-    if (!fptr) {
-        return 0;
-    }
-    else {
-        rb_io_fptr_finalize_internal(fptr);
-        return 1;
-    }
+    if (!io) return 0;
+    rb_io_fptr_cleanup_all(io);
+    free(io);
+
+    return 1;
 }
-#define rb_io_fptr_finalize(fptr) rb_io_fptr_finalize_internal(fptr)
 
 size_t
 rb_io_memsize(const rb_io_t *fptr)