diff options
Diffstat (limited to 'sysdeps/mach/hurd/readdir64.c')
-rw-r--r-- | sysdeps/mach/hurd/readdir64.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/sysdeps/mach/hurd/readdir64.c b/sysdeps/mach/hurd/readdir64.c deleted file mode 100644 index f422fcff04..0000000000 --- a/sysdeps/mach/hurd/readdir64.c +++ /dev/null @@ -1,101 +0,0 @@ -/* Copyright (C) 2001-2017 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/>. */ - -#include <dirent.h> -#include <stddef.h> -#include <hurd.h> -#include <hurd/fs.h> -#include <hurd/fd.h> -#include "dirstream.h" - -/* Read a directory entry from DIRP. */ -struct dirent64 * -__readdir64 (DIR *dirp) -{ - struct dirent64 *dp; - - if (dirp == NULL) - { - errno = EINVAL; - return NULL; - } - - __libc_lock_lock (dirp->__lock); - - do - { - if (dirp->__ptr - dirp->__data >= dirp->__size) - { - /* We've emptied out our buffer. Refill it. */ - - char *data = dirp->__data; - int nentries; - error_t err; - - if (err = HURD_FD_PORT_USE (dirp->__fd, - __dir_readdir (port, - &data, &dirp->__size, - dirp->__entry_ptr, - -1, 0, &nentries))) - { - __hurd_fail (err); - dp = NULL; - break; - } - - /* DATA now corresponds to entry index DIRP->__entry_ptr. */ - dirp->__entry_data = dirp->__entry_ptr; - - if (data != dirp->__data) - { - /* The data was passed out of line, so our old buffer is no - longer useful. Deallocate the old buffer and reset our - information for the new buffer. */ - __vm_deallocate (__mach_task_self (), - (vm_address_t) dirp->__data, - dirp->__allocation); - dirp->__data = data; - dirp->__allocation = round_page (dirp->__size); - } - - /* Reset the pointer into the buffer. */ - dirp->__ptr = dirp->__data; - - if (nentries == 0) - { - /* End of file. */ - dp = NULL; - break; - } - - /* We trust the filesystem to return correct data and so we - ignore NENTRIES. */ - } - - dp = (struct dirent64 *) dirp->__ptr; - dirp->__ptr += dp->d_reclen; - ++dirp->__entry_ptr; - - /* Loop to ignore deleted files. */ - } while (dp->d_fileno == 0); - - __libc_lock_unlock (dirp->__lock); - - return dp; -} - -weak_alias (__readdir64, readdir64) |