go at_fstatat 源码
golang at_fstatat 代码
文件路径：/src/internal/syscall/unix/at_fstatat.go
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build (linux && !loong64) || openbsd || netbsd || dragonfly
package unix
import (
"syscall"
"unsafe"
)
func Fstatat(dirfd int, path string, stat *syscall.Stat_t, flags int) error {
var p *byte
p, err := syscall.BytePtrFromString(path)
if err != nil {
return err
}
_, _, errno := syscall.Syscall6(fstatatTrap, uintptr(dirfd), uintptr(unsafe.Pointer(p)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
if errno != 0 {
return errno
}
return nil
}
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