| // 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") |
| } |