| // Copyright 2012 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. | 
 |  | 
 | package syscall | 
 |  | 
 | import "unsafe" | 
 |  | 
 | func (ts *Timestruc) Unix() (sec int64, nsec int64) { | 
 | 	return int64(ts.Sec), int64(ts.Nsec) | 
 | } | 
 |  | 
 | func (ts *Timestruc) Nano() int64 { | 
 | 	return int64(ts.Sec)*1e9 + int64(ts.Nsec) | 
 | } | 
 |  | 
 | func direntIno(buf []byte) (uint64, bool) { | 
 | 	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino)) | 
 | } | 
 |  | 
 | func direntReclen(buf []byte) (uint64, bool) { | 
 | 	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen)) | 
 | } | 
 |  | 
 | func direntNamlen(buf []byte) (uint64, bool) { | 
 | 	reclen, ok := direntReclen(buf) | 
 | 	if !ok { | 
 | 		return 0, false | 
 | 	} | 
 | 	return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true | 
 | } | 
 |  | 
 | //sysnb getexecname() (execname unsafe.Pointer, err error) | 
 | //getexecname() *byte | 
 |  | 
 | func Getexecname() (path string, err error) { | 
 | 	ptr, err := getexecname() | 
 | 	if err != nil { | 
 | 		return "", err | 
 | 	} | 
 | 	bytes := (*[1 << 29]byte)(ptr)[:] | 
 | 	for i, b := range bytes { | 
 | 		if b == 0 { | 
 | 			return string(bytes[:i]), nil | 
 | 		} | 
 | 	} | 
 | 	panic("unreachable") | 
 | } |