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/renameat.c | 21 +------------- sysdeps/mach/hurd/renameat2.c | 56 +++++++++++++++++++++++++++++++++++++ sysdeps/unix/sysv/linux/renameat2.c | 4 ++- 3 files changed, 60 insertions(+), 21 deletions(-) create mode 100644 sysdeps/mach/hurd/renameat2.c (limited to 'sysdeps') diff --git a/sysdeps/mach/hurd/renameat.c b/sysdeps/mach/hurd/renameat.c index 9aa231091c..a05f550a57 100644 --- a/sysdeps/mach/hurd/renameat.c +++ b/sysdeps/mach/hurd/renameat.c @@ -24,26 +24,7 @@ int __renameat (int oldfd, const char *old, int newfd, const char *new) { - error_t err; - file_t olddir, newdir; - const char *oldname, *newname; - - 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, 0); - __mach_port_deallocate (__mach_task_self (), olddir); - __mach_port_deallocate (__mach_task_self (), newdir); - if (err) - return __hurd_fail (err); - return 0; + return __renameat2 (oldfd, old, newfd, new, 0); } libc_hidden_def (__renameat) weak_alias (__renameat, renameat) diff --git a/sysdeps/mach/hurd/renameat2.c b/sysdeps/mach/hurd/renameat2.c new file mode 100644 index 0000000000..2ed49cbac9 --- /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) diff --git a/sysdeps/unix/sysv/linux/renameat2.c b/sysdeps/unix/sysv/linux/renameat2.c index 566868cc93..a9cc2ea6b8 100644 --- a/sysdeps/unix/sysv/linux/renameat2.c +++ b/sysdeps/unix/sysv/linux/renameat2.c @@ -21,7 +21,7 @@ #include int -renameat2 (int oldfd, const char *old, int newfd, const char *new, +__renameat2 (int oldfd, const char *old, int newfd, const char *new, unsigned int flags) { #if !defined (__NR_renameat) || defined (__ASSUME_RENAMEAT2) @@ -42,3 +42,5 @@ renameat2 (int oldfd, const char *old, int newfd, const char *new, return -1; #endif } +libc_hidden_def (__renameat2) +weak_alias (__renameat2, renameat2) -- cgit 1.4.1