/* Copyright (C) 1991 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 Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <ansidecl.h> #include <errno.h> #include <stddef.h> #include <dirent.h> #include <unistd.h> #include <sys/types.h> /* Return the current position of DIRP. */ off_t DEFUN(telldir, (dirp), DIR *dirp) { register off_t pos; if (dirp == NULL) { errno = EINVAL; return (off_t) -1; } pos = __lseek(dirp->__fd, (off_t) 0, SEEK_CUR); if (pos == (off_t) -1) return (off_t) -1; return pos + (dirp->__size - dirp->__offset); }