1 /* Copyright (C) 1993-2022 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #ifndef _DIRSTREAM_H 19 20 #define _DIRSTREAM_H 1 21 22 #include <libc-lock.h> 23 24 /* Directory stream type. 25 26 The Hurd directory format is the same as `struct dirent', so `readdir' 27 returns a pointer into the buffer we read directory data into. */ 28 29 struct __dirstream 30 { 31 void *__fd; /* `struct hurd_fd' pointer for descriptor. */ 32 char *__data; /* Directory block. */ 33 int __entry_data; /* Entry number `__data' corresponds to. */ 34 char *__ptr; /* Current pointer into the block. */ 35 int __entry_ptr; /* Entry number `__ptr' corresponds to. */ 36 size_t __allocation; /* Space allocated for the block. */ 37 size_t __size; /* Total valid data in the block. */ 38 __libc_lock_define (, __lock) /* Mutex lock for this structure. */ 39 }; 40 41 #endif /* dirstream.h */ 42