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Diffstat (limited to 'sysdeps/posix/dirstream.h')
-rw-r--r-- | sysdeps/posix/dirstream.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/posix/dirstream.h b/sysdeps/posix/dirstream.h new file mode 100644 index 0000000000..6ca290471d --- /dev/null +++ b/sysdeps/posix/dirstream.h @@ -0,0 +1,48 @@ +/* Copyright (C) 1993, 1995, 1996, 2007 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _DIRSTREAM_H +#define _DIRSTREAM_H 1 + +#include <sys/types.h> + +#include <bits/libc-lock.h> + +/* Directory stream type. + + The miscellaneous Unix `readdir' implementations read directory data + into a buffer and return `struct dirent *' pointers into it. */ + +struct __dirstream + { + int fd; /* File descriptor. */ + + __libc_lock_define (, lock) /* Mutex lock for this structure. */ + + size_t allocation; /* Space allocated for the block. */ + size_t size; /* Total valid data in the block. */ + size_t offset; /* Current offset into the block. */ + + off_t filepos; /* Position of next entry to read. */ + + /* Directory block. */ + char data[0] __attribute__ ((aligned (__alignof__ (void*)))); + }; + +#define _DIR_dirfd(dirp) ((dirp)->fd) + +#endif /* dirstream.h */ |