diff options
Diffstat (limited to 'sysdeps/mach/hurd/linkat.c')
-rw-r--r-- | sysdeps/mach/hurd/linkat.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/sysdeps/mach/hurd/linkat.c b/sysdeps/mach/hurd/linkat.c deleted file mode 100644 index 676827891a..0000000000 --- a/sysdeps/mach/hurd/linkat.c +++ /dev/null @@ -1,62 +0,0 @@ -/* Make a link between file names relative to open directories. Hurd version. - Copyright (C) 2006-2017 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 <errno.h> -#include <fcntl.h> -#include <stddef.h> -#include <unistd.h> -#include <hurd.h> -#include <hurd/fd.h> - - -/* Make a link to FROM relative to FROMFD called TO relative to TOFD. */ -int -linkat (int fromfd, const char *from, int tofd, const char *to, int flags) -{ - error_t err; - file_t oldfile, linknode, todir; - char *toname; - - /* POSIX says linkat doesn't follow symlinks by default, so pass - O_NOLINK. That can be overridden by AT_SYMLINK_FOLLOW in FLAGS. */ - oldfile = __file_name_lookup_at (fromfd, flags, from, O_NOLINK, 0); - if (oldfile == MACH_PORT_NULL) - return -1; - - /* The file_getlinknode RPC returns the port that should be passed to - the receiving filesystem (the one containing TODIR) in dir_link. */ - - err = __file_getlinknode (oldfile, &linknode); - __mach_port_deallocate (__mach_task_self (), oldfile); - if (err) - return __hurd_fail (err); - - todir = __file_name_split_at (tofd, to, &toname); - if (todir != MACH_PORT_NULL) - { - err = __dir_link (todir, linknode, toname, 1); - __mach_port_deallocate (__mach_task_self (), todir); - } - __mach_port_deallocate (__mach_task_self (), linknode); - if (todir == MACH_PORT_NULL) - return -1; - - if (err) - return __hurd_fail (err); - return 0; -} |