mem.File.Truncate should use lock

Fixes: #272
2020-11-13 22:59:22 +01:00 · 2020-11-13 22:59:22 +01:00 · d175ebcca8
parent 6c0630556d
commit d175ebcca8
1 changed files with 2 additions and 0 deletions
--- a/mem/file.go
+++ b/mem/file.go
@ -210,6 +210,8 @@ func (f *File) Truncate(size int64) error {
 	if size < 0 {
 		return ErrOutOfRange
 	}
+	f.fileData.Lock()
+	defer f.fileData.Unlock()
 	if size > int64(len(f.fileData.data)) {
 		diff := size - int64(len(f.fileData.data))
 		f.fileData.data = append(f.fileData.data, bytes.Repeat([]byte{00}, int(diff))...)