From 698da0982f118926672df7d7a566616823501da6 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Wed, 15 Nov 2023 22:45:20 +0900
Subject: [PATCH] mruby-io/io.c: fix fsize_t and mrb_ssize mixture

---
 mrbgems/mruby-io/src/io.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mrbgems/mruby-io/src/io.c b/mrbgems/mruby-io/src/io.c
index eeb3c7f86..cea9e14cc 100644
--- a/mrbgems/mruby-io/src/io.c
+++ b/mrbgems/mruby-io/src/io.c
@@ -1044,13 +1044,13 @@ io_seek(mrb_state *mrb, mrb_value io)
 static mrb_value
 io_write_common(mrb_state *mrb,
     fssize_t (*writefunc)(int, const void*, fsize_t, off_t),
-    struct mrb_io *fptr, const void *buf, fsize_t blen, off_t offset)
+    struct mrb_io *fptr, const void *buf, mrb_ssize blen, off_t offset)
 {
   int fd;
   fssize_t length;
 
   fd = io_get_write_fd(fptr);
-  length = writefunc(fd, buf, blen, offset);
+  length = writefunc(fd, buf, (fsize_t)blen, offset);
   if (length == -1) {
     mrb_sys_fail(mrb, "syswrite");
   }