From 1b2184177553ce4ef8458034927ef50854be2af6 Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Wed, 27 Feb 2019 07:53:13 -0800 Subject: hurd: Add renameat2 support for RENAME_NOREPLACE * include/stdio.h (__renameat2): New hidden prototype. * stdio-common/renameat2.c (__renameat2): Add hidden definition. * sysdeps/mach/hurd/renameat.c (__renameat): Move implementation to... * sysdeps/mach/hurd/renameat2.c (__renameat2): ... new function, and add support for RENAME_NOREPLACE. * sysdeps/unix/sysv/linux/renameat2.c (__renameat2): Add hidden definition. --- sysdeps/mach/hurd/renameat2.c | 56 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 sysdeps/mach/hurd/renameat2.c (limited to 'sysdeps/mach/hurd/renameat2.c') diff --git a/sysdeps/mach/hurd/renameat2.c b/sysdeps/mach/hurd/renameat2.c new file mode 100644 index 0000000..2ed49cb --- /dev/null +++ b/sysdeps/mach/hurd/renameat2.c @@ -0,0 +1,56 @@ +/* Rename a file using relative source and destination names. Hurd version. + Copyright (C) 1991-2019 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 + . */ + +#include +#include +#include + +/* Rename the file OLD relative to OLDFD to NEW relative to NEWFD. */ +int +__renameat2 (int oldfd, const char *old, int newfd, const char *new, + unsigned int flags) +{ + error_t err; + file_t olddir, newdir; + const char *oldname, *newname; + int excl = 0; + + if (flags & (RENAME_EXCHANGE | RENAME_WHITEOUT)) + return __hurd_fail (ENOSYS); + if (flags & RENAME_NOREPLACE) + excl = 1; + + olddir = __directory_name_split_at (oldfd, old, (char **) &oldname); + if (olddir == MACH_PORT_NULL) + return -1; + newdir = __directory_name_split_at (newfd, new, (char **) &newname); + if (newdir == MACH_PORT_NULL) + { + __mach_port_deallocate (__mach_task_self (), olddir); + return -1; + } + + err = __dir_rename (olddir, oldname, newdir, newname, excl); + __mach_port_deallocate (__mach_task_self (), olddir); + __mach_port_deallocate (__mach_task_self (), newdir); + if (err) + return __hurd_fail (err); + return 0; +} +libc_hidden_def (__renameat2) +weak_alias (__renameat2, renameat2) -- cgit v1.1