From 29964b3ba79923c67f6361ac601a69ff4ba2f4bd Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Thu, 10 Apr 2025 22:58:54 +0900
Subject: [PATCH] mruby-io (mrb_file_size): add check for MRB_32BIT and
 MRB_INT64

---
 mrbgems/mruby-io/src/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mrbgems/mruby-io/src/file.c b/mrbgems/mruby-io/src/file.c
index 4dfbe5bd7..ed9d7a4de 100644
--- a/mrbgems/mruby-io/src/file.c
+++ b/mrbgems/mruby-io/src/file.c
@@ -654,7 +654,7 @@ mrb_file_size(mrb_state *mrb, mrb_value self)
     mrb_sys_fail(mrb, "fstat");
   }
 
-  if (st.st_size > MRB_INT_MAX) {
+  if (sizeof(st.st_size) >= sizeof(mrb_int) && st.st_size > MRB_INT_MAX) {
 #ifdef MRB_NO_FLOAT
     mrb_raise(mrb, E_RUNTIME_ERROR, "File#size too large for MRB_NO_FLOAT");
 #else