From 07f1ebd26d03ff1a91d06a6324fc8f9185152180 Mon Sep 17 00:00:00 2001
From: Tomoyuki Sahara <tsahara@iij.ad.jp>
Date: Tue, 24 Nov 2015 17:09:00 +0900
Subject: symlink(2) returns -1 when it fails.

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

diff --git a/src/file.c b/src/file.c
index 7e2b64c3e..9e1afe688 100644
--- a/src/file.c
+++ b/src/file.c
@@ -304,7 +304,7 @@ mrb_file_s_symlink(mrb_state *mrb, mrb_value klass)
   src = mrb_str_to_cstr(mrb, from);
   dst = mrb_str_to_cstr(mrb, to);
 
-  if (symlink(src, dst) < 0) {
+  if (symlink(src, dst) == -1) {
     mrb_sys_fail(mrb, mrb_str_to_cstr(mrb, mrb_format(mrb, "(%S, %S)", from, to)));
   }
   mrb_gc_arena_restore(mrb, ai);
-- 
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