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Return s3.fileInfos by pointer

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Since the fileInfos are returned in a []interface, they're already
allocated on the heap. Making them pointers explicitly means the
compiler doesn't need to generate fileInfo and *fileInfo versions of the
methods on this type. The binary becomes about 7KiB smaller on
Linux/amd64.
This commit is contained in:
greatroar 2021-06-07 19:45:45 +02:00
parent d7322a5f36
commit 0d4f16b6ba
1 changed files with 7 additions and 7 deletions
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14
internal/backend/s3/s3.go
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@ -186,12 +186,12 @@ type fileInfo struct {
isDir bool isDir bool
} }
func (fi fileInfo) Name() string { return fi.name } // base name of the file func (fi *fileInfo) Name() string { return fi.name } // base name of the file
func (fi fileInfo) Size() int64 { return fi.size } // length in bytes for regular files; system-dependent for others func (fi *fileInfo) Size() int64 { return fi.size } // length in bytes for regular files; system-dependent for others
func (fi fileInfo) Mode() os.FileMode { return fi.mode } // file mode bits func (fi *fileInfo) Mode() os.FileMode { return fi.mode } // file mode bits
func (fi fileInfo) ModTime() time.Time { return fi.modTime } // modification time func (fi *fileInfo) ModTime() time.Time { return fi.modTime } // modification time
func (fi fileInfo) IsDir() bool { return fi.isDir } // abbreviation for Mode().IsDir() func (fi *fileInfo) IsDir() bool { return fi.isDir } // abbreviation for Mode().IsDir()
func (fi fileInfo) Sys() interface{} { return nil } // underlying data source (can return nil) func (fi *fileInfo) Sys() interface{} { return nil } // underlying data source (can return nil)
// ReadDir returns the entries for a directory. // ReadDir returns the entries for a directory.
func (be *Backend) ReadDir(ctx context.Context, dir string) (list []os.FileInfo, err error) { func (be *Backend) ReadDir(ctx context.Context, dir string) (list []os.FileInfo, err error) {
@ -225,7 +225,7 @@ func (be *Backend) ReadDir(ctx context.Context, dir string) (list []os.FileInfo,
if name == "" { if name == "" {
continue continue
} }
entry := fileInfo{ entry := &fileInfo{
name: name, name: name,
size: obj.Size, size: obj.Size,
modTime: obj.LastModified, modTime: obj.LastModified,