|  | /* Copyright (C) 1991, 1995, 1996, 1997, 2006 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 <unistd.h> | 
|  | #include <string.h> | 
|  | #include <ros/syscall.h> | 
|  |  | 
|  | /* Read the contents of the symbolic link PATH into no more than | 
|  | LEN bytes of BUF.  The contents are not null-terminated. | 
|  | Returns the number of characters read, or -1 for errors.  */ | 
|  |  | 
|  | ssize_t | 
|  | readlink (const char* path, char* buf, size_t len) | 
|  | { | 
|  | return ros_syscall(SYS_readlink, path, strlen(path), buf, len, 0, 0); | 
|  | } | 
|  |  | 
|  | /* __readlink has a different signature, so we can't just weak_alias it. */ | 
|  |  | 
|  | ssize_t | 
|  | __readlink (const char* path, char* buf, size_t len) | 
|  | { | 
|  | return readlink (path, buf, len); | 
|  | } |