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c5567b49c5
Add a syscall wrapper for Getdents on dragonfly and use it to implement ReadDirent Change-Id: Ie54c0edeaf89491cab2355557fb442bd5bec2987 Reviewed-on: https://go-review.googlesource.com/c/sys/+/183227 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Benny Siegert <bsiegert@gmail.com>
20 lines
697 B
Go
20 lines
697 B
Go
// Copyright 2019 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 darwin
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package unix
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import "unsafe"
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// ReadDirent reads directory entries from fd and writes them into buf.
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func ReadDirent(fd int, buf []byte) (n int, err error) {
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// Final argument is (basep *uintptr) and the syscall doesn't take nil.
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// 64 bits should be enough. (32 bits isn't even on 386). Since the
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// actual system call is getdirentries64, 64 is a good guess.
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// TODO(rsc): Can we use a single global basep for all calls?
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var base = (*uintptr)(unsafe.Pointer(new(uint64)))
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return Getdirentries(fd, buf, base)
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}
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