fix readFile - fd leak

use ioutil.ReadFile instead.

exists uses os.Stat and os.IsNotExist

1 files changed, 3 insertions, 27 deletions

diff --git a/fileutil.go b/fileutil.go
index 2224d7d..46dd9b4 100644
--- a/fileutil.go
+++ b/fileutil.go
@@ -1,35 +1,11 @@
 package main
 
-import (
-	"fmt"
-	"os"
-)
+import "os"
 
 func exists(filename string) bool {
-	f, err := os.Open(filename)
-	if err != nil {
+	_, err := os.Stat(filename)
+	if os.IsNotExist(err) {
 		return false
 	}
-	f.Close()
 	return true
 }
-
-func readFile(filename string) ([]byte, error) {
-	f, err := os.Open(filename)
-	if err != nil {
-		return nil, err
-	}
-	fi, err := f.Stat()
-	if err != nil {
-		return nil, err
-	}
-	buf := make([]byte, fi.Size())
-	n, err := f.Read(buf)
-	if err != nil {
-		return nil, err
-	}
-	if n != len(buf) {
-		return nil, fmt.Errorf("Unexpected file size: %d vs %d", n, len(buf))
-	}
-	return buf, nil
-}