libgo/go/syscall/syscall_glibc.go

   1 // Copyright 2009 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 // +build hurd linux
   6
   7 package syscall
   8
   9 import "unsafe"
  10
  11 func rawSyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr) {
  12         r1, r2, _ = RawSyscall(trap, a1, a2, a3)
  13         return
  14 }
  15
  16 func direntIno(buf []byte) (uint64, bool) {
  17         return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
  18 }
  19
  20 func direntReclen(buf []byte) (uint64, bool) {
  21         return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
  22 }
  23
  24 func direntNamlen(buf []byte) (uint64, bool) {
  25         reclen, ok := direntReclen(buf)
  26         if !ok {
  27                 return 0, false
  28         }
  29         return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true
  30 }