Merge branch 'close-file-fix'

ini.go

@@ -64,6 +64,7 @@ func (f File) LoadFile(file string) (err error) {
 	if err != nil {
 		return
 	}
+	defer in.Close()
 	return f.Load(in)
 }
 

ini_linux_test.go

@@ -0,0 +1,43 @@
+package ini
+
+import (
+	"reflect"
+	"syscall"
+	"testing"
+)
+
+func TestLoadFile(t *testing.T) {
+	originalOpenFiles := numFilesOpen(t)
+
+	file, err := LoadFile("test.ini")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if originalOpenFiles != numFilesOpen(t) {
+		t.Error("test.ini not closed")
+	}
+
+	if !reflect.DeepEqual(file, File{"default": {"stuff": "things"}}) {
+		t.Error("file not read correctly")
+	}
+}
+
+func numFilesOpen(t *testing.T) (num uint64) {
+	var rlimit syscall.Rlimit
+	err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rlimit)
+	if err != nil {
+		t.Fatal(err)
+	}
+	maxFds := int(rlimit.Cur)
+
+	var stat syscall.Stat_t
+	for i := 0; i < maxFds; i++ {
+		if syscall.Fstat(i, &stat) == nil {
+			num++
+		} else {
+			return
+		}
+	}
+	return
+}

test.ini

@@ -0,0 +1,2 @@
+[default]
+stuff = things