mirror of
https://github.com/tinygo-org/tinygo.git
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Ayke van Laethem
77ec9b6369
Do it all at once in preparation for Go 1.18 support. To make this commit, I've simply modified the `fmt-check` Makefile target to rewrite files instead of listing the differences. So this is a fully mechanical change, it should not have introduced any errors.
55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
//go:build !baremetal && !js && !wasi
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// +build !baremetal,!js,!wasi
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// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package os
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import (
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"syscall"
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"unsafe"
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)
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func direntIno(buf []byte) (uint64, bool) {
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return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Ino), unsafe.Sizeof(syscall.Dirent{}.Ino))
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}
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func direntReclen(buf []byte) (uint64, bool) {
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return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Reclen), unsafe.Sizeof(syscall.Dirent{}.Reclen))
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}
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func direntNamlen(buf []byte) (uint64, bool) {
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reclen, ok := direntReclen(buf)
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if !ok {
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return 0, false
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}
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return reclen - uint64(unsafe.Offsetof(syscall.Dirent{}.Name)), true
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}
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func direntType(buf []byte) FileMode {
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off := unsafe.Offsetof(syscall.Dirent{}.Type)
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if off >= uintptr(len(buf)) {
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return ^FileMode(0) // unknown
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}
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typ := buf[off]
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switch typ {
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case syscall.DT_BLK:
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return ModeDevice
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case syscall.DT_CHR:
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return ModeDevice | ModeCharDevice
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case syscall.DT_DIR:
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return ModeDir
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case syscall.DT_FIFO:
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return ModeNamedPipe
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case syscall.DT_LNK:
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return ModeSymlink
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case syscall.DT_REG:
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return 0
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case syscall.DT_SOCK:
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return ModeSocket
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}
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return ^FileMode(0) // unknown
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}
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