From f3b79fcc23fd1b2c606f2148571f4c8f9ead2406 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Fri, 21 Mar 2025 19:34:05 +0900
Subject: [PATCH] mruby-io (mrb_file_s_readlink): increase buffer size linearly

---
 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 655d8651e..e9963173a 100644
--- a/mrbgems/mruby-io/src/file.c
+++ b/mrbgems/mruby-io/src/file.c
@@ -769,7 +769,7 @@ mrb_file_s_readlink(mrb_state *mrb, mrb_value klass)
 
   buf = (char*)mrb_malloc(mrb, bufsize);
   while ((rc = readlink(tmp, buf, bufsize)) == (ssize_t)bufsize) {
-    bufsize *= 2;
+    bufsize += 100;
     buf = (char*)mrb_realloc(mrb, buf, bufsize);
   }
   mrb_locale_free(tmp);