|  | /* Copyright (C) 1991, 1992, 1995, 1996, 1997, 2011 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, write to the Free | 
|  | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | 
|  | 02111-1307 USA.  */ | 
|  |  | 
|  | #include <errno.h> | 
|  | #include <stddef.h> | 
|  | #include <sys/stat.h> | 
|  | #include <sys/types.h> | 
|  | #include <fcall.h> | 
|  |  | 
|  | /* Change the permissions of the file referenced by FD to MODE.  */ | 
|  | int | 
|  | __fchmod (fd, mode) | 
|  | int fd; | 
|  | mode_t mode; | 
|  | { | 
|  | struct dir dir; | 
|  | size_t mlen; | 
|  | char mbuf[STATFIXLEN]; | 
|  | int ret; | 
|  |  | 
|  | if (fd < 0) | 
|  | { | 
|  | __set_errno (EINVAL); | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | init_empty_dir(&dir); | 
|  | dir.mode = mode; | 
|  | mlen = convD2M(&dir, mbuf, STATFIXLEN); | 
|  | ret = ros_syscall(SYS_fwstat, fd, mbuf, mlen, WSTAT_MODE, 0, 0); | 
|  | return (ret == mlen ? 0 : -1); | 
|  | } | 
|  | weak_alias (__fchmod, fchmod) |