diff options
Diffstat (limited to 'newlib/libc/posix/readdir.c')
-rw-r--r-- | newlib/libc/posix/readdir.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/newlib/libc/posix/readdir.c b/newlib/libc/posix/readdir.c deleted file mode 100644 index da07d5c00..000000000 --- a/newlib/libc/posix/readdir.c +++ /dev/null @@ -1,101 +0,0 @@ -#ifndef HAVE_OPENDIR - -/* - * Copyright (c) 1983 Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)readdir.c 5.7 (Berkeley) 6/1/90"; -#endif /* LIBC_SCCS and not lint */ - -#include <dirent.h> - -extern int getdents (int fd, void *dp, int count); - -/* - * get next entry in a directory. - */ -struct dirent * -_DEFUN(readdir, (dirp), - register DIR *dirp) -{ - register struct dirent *dp; - -#ifdef HAVE_DD_LOCK - __lock_acquire_recursive(dirp->dd_lock); -#endif - - if (dirp->dd_fd == -1) - return NULL; - - for (;;) { - if (dirp->dd_loc == 0) { - dirp->dd_size = getdents (dirp->dd_fd, - dirp->dd_buf, - dirp->dd_len); - - if (dirp->dd_size <= 0) { -#ifdef HAVE_DD_LOCK - __lock_release_recursive(dirp->dd_lock); -#endif - return NULL; - } - } - if (dirp->dd_loc >= dirp->dd_size) { - dirp->dd_loc = 0; - continue; - } - dp = (struct dirent *)(dirp->dd_buf + dirp->dd_loc); - if ((int)dp & 03) { /* bogus pointer check */ -#ifdef HAVE_DD_LOCK - __lock_release_recursive(dirp->dd_lock); -#endif - return NULL; - } - if (dp->d_reclen <= 0 || - dp->d_reclen > dirp->dd_len + 1 - dirp->dd_loc) { -#ifdef HAVE_DD_LOCK - __lock_release_recursive(dirp->dd_lock); -#endif - return NULL; - } - dirp->dd_loc += dp->d_reclen; - if (dp->d_ino == 0) - continue; -#ifdef HAVE_DD_LOCK - __lock_release_recursive(dirp->dd_lock); -#endif - return (dp); - } -} - -#endif /* ! HAVE_OPENDIR */ |