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Hurd: implement renameat

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Provide an implementation of renameat, mostly based on rename.
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Pino Toscano 2012-07-31 19:59:03 +02:00
parent 789bd351b4
commit d2a54255fe
2 changed files with 55 additions and 0 deletions
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2012-07-31 Pino Toscano <toscano.pino@tiscali.it>
* sysdeps/mach/hurd/renameat.c: New file, mostly copied from rename.c.
2012-07-31 Roland McGrath <roland@hack.frob.com>
* include/sys/socket.h (__libc_accept, __libc_accept4):

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sysdeps/mach/hurd/renameat.c Normal file
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/* Rename a file using relative source and destination names. Hurd version.
Copyright (C) 1991-2012 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 <stdio.h>
#include <hurd.h>
#include <hurd/fd.h>
/* Rename the file OLD relative to OLDFD to NEW relative to NEWFD. */
int
renameat (oldfd, old, newfd, new)
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;
}