From e6ab97fb476130e2565dbcf2b93e989375d1fd24 Mon Sep 17 00:00:00 2001
From: lance6716 <lance6716@gmail.com>
Date: Thu, 24 Jun 2021 15:00:33 +0800
Subject: [PATCH] close file explicitly, to avoid "max open files" error

---
 errcheck/errcheck.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/errcheck/errcheck.go b/errcheck/errcheck.go
index b3a67d4..0a4067f 100644
--- a/errcheck/errcheck.go
+++ b/errcheck/errcheck.go
@@ -543,6 +543,7 @@ func readfile(filename string) []string {
 	if err != nil {
 		return nil
 	}
+	defer f.Close()
 
 	var lines []string
 	var scanner = bufio.NewScanner(f)