1 /* Determine whether descriptor has given property. 2 Copyright (C) 1996-2013 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <http://www.gnu.org/licenses/>. */ 18 19 #include <errno.h> 20 #include <sys/stat.h> 21 #include <sys/socket.h> 22 #include <sys/types.h> 23 #include <_lfs_64.h> 24 25 int isfdtype(int fildes,int fdtype)26isfdtype (int fildes, int fdtype) 27 { 28 struct stat64 st; 29 int save_error = errno; 30 int result = fstat64 (fildes, &st); 31 __set_errno (save_error); 32 if (result) 33 return result; 34 return (st.st_mode & S_IFMT) == (mode_t) fdtype; 35 } 36