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a38a917aee
You were a useful port and you've served your purpose. Thanks for all the play. A subsequent CL will remove amd64p32 (including assembly files and toolchain bits) and remaining bits. The amd64p32 removal will be separated into its own CL in case we want to support the Linux x32 ABI in the future and want our old amd64p32 support as a starting point. Updates #30439 Change-Id: Ia3a0c7d49804adc87bf52a4dea7e3d3007f2b1cd Reviewed-on: https://go-review.googlesource.com/c/go/+/199499 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
70 lines
1.5 KiB
Go
70 lines
1.5 KiB
Go
// Copyright 2009 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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// +build aix dragonfly freebsd js,wasm linux netbsd openbsd solaris
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package os
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import (
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"io"
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"runtime"
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"syscall"
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)
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// Auxiliary information if the File describes a directory
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type dirInfo struct {
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buf []byte // buffer for directory I/O
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nbuf int // length of buf; return value from Getdirentries
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bufp int // location of next record in buf.
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}
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const (
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// More than 5760 to work around https://golang.org/issue/24015.
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blockSize = 8192
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)
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func (d *dirInfo) close() {}
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func (f *File) readdirnames(n int) (names []string, err error) {
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// If this file has no dirinfo, create one.
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if f.dirinfo == nil {
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f.dirinfo = new(dirInfo)
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// The buffer must be at least a block long.
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f.dirinfo.buf = make([]byte, blockSize)
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}
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d := f.dirinfo
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size := n
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if size <= 0 {
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size = 100
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n = -1
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}
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names = make([]string, 0, size) // Empty with room to grow.
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for n != 0 {
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// Refill the buffer if necessary
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if d.bufp >= d.nbuf {
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d.bufp = 0
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var errno error
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d.nbuf, errno = f.pfd.ReadDirent(d.buf)
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runtime.KeepAlive(f)
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if errno != nil {
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return names, wrapSyscallError("readdirent", errno)
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}
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if d.nbuf <= 0 {
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break // EOF
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}
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}
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// Drain the buffer
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var nb, nc int
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nb, nc, names = syscall.ParseDirent(d.buf[d.bufp:d.nbuf], n, names)
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d.bufp += nb
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n -= nc
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}
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if n >= 0 && len(names) == 0 {
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return names, io.EOF
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}
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return names, nil
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}
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