diff options
author | Luke Shumaker <lukeshu@lukeshu.com> | 2022-07-13 23:55:59 -0600 |
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committer | Luke Shumaker <lukeshu@lukeshu.com> | 2022-07-14 00:50:11 -0600 |
commit | e784de8a66c3645fdd3a54939b5b844f3bacd82d (patch) | |
tree | 5d749f33cef81de81958d4825f92adb668f8e54f /lib/diskio/file_os.go | |
parent | 5b52a894d5e0a24907ac5073841b5a0bebbd2247 (diff) |
diskio.File: Add .Close() and don't have .Size() return an error
Diffstat (limited to 'lib/diskio/file_os.go')
-rw-r--r-- | lib/diskio/file_os.go | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/diskio/file_os.go b/lib/diskio/file_os.go new file mode 100644 index 0000000..2fa521d --- /dev/null +++ b/lib/diskio/file_os.go @@ -0,0 +1,31 @@ +// Copyright (C) 2022 Luke Shumaker <lukeshu@lukeshu.com> +// +// SPDX-License-Identifier: GPL-2.0-or-later + +package diskio + +import ( + "os" +) + +type OSFile[A ~int64] struct { + *os.File +} + +var _ File[assertAddr] = (*OSFile[assertAddr])(nil) + +func (f *OSFile[A]) Size() A { + fi, err := f.Stat() + if err != nil { + return 0 + } + return A(fi.Size()) +} + +func (f *OSFile[A]) ReadAt(dat []byte, paddr A) (int, error) { + return f.File.ReadAt(dat, int64(paddr)) +} + +func (f *OSFile[A]) WriteAt(dat []byte, paddr A) (int, error) { + return f.File.WriteAt(dat, int64(paddr)) +} |