1 /* Copyright (C) 2005-2022 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #include <errno.h> 19 #include <fcntl.h> 20 #include <stddef.h> 21 #include <unistd.h> 22 23 24 /* Remove the link named NAME. */ 25 int unlinkat(int fd,const char * name,int flag)26unlinkat (int fd, const char *name, int flag) 27 { 28 if (name == NULL || (flag & AT_REMOVEDIR) != 0) 29 { 30 __set_errno (EINVAL); 31 return -1; 32 } 33 34 if (fd < 0 && fd != AT_FDCWD) 35 { 36 __set_errno (EBADF); 37 return -1; 38 } 39 40 __set_errno (ENOSYS); 41 return -1; 42 } 43 stub_warning (unlinkat) 44