syscall_darwin.1_12.go (885B)
1 // Copyright 2019 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 //go:build darwin && go1.12 && !go1.13 6 // +build darwin,go1.12,!go1.13 7 8 package unix 9 10 import ( 11 "unsafe" 12 ) 13 14 const _SYS_GETDIRENTRIES64 = 344 15 16 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { 17 // To implement this using libSystem we'd need syscall_syscallPtr for 18 // fdopendir. However, syscallPtr was only added in Go 1.13, so we fall 19 // back to raw syscalls for this func on Go 1.12. 20 var p unsafe.Pointer 21 if len(buf) > 0 { 22 p = unsafe.Pointer(&buf[0]) 23 } else { 24 p = unsafe.Pointer(&_zero) 25 } 26 r0, _, e1 := Syscall6(_SYS_GETDIRENTRIES64, uintptr(fd), uintptr(p), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0) 27 n = int(r0) 28 if e1 != 0 { 29 return n, errnoErr(e1) 30 } 31 return n, nil 32 }