Libc-825.24.tar.gz

[apple/libc.git] / gen / readdir-fbsd.c

diff --git a/gen/readdir-fbsd.c b/gen/readdir-fbsd.c
deleted file mode 100644 (file)
index 3875cef..0000000
--- a/gen/readdir-fbsd.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * Copyright (c) 1983, 1993
- *     The 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.
- * 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  8.3 (Berkeley) 9/29/94";
-#endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/gen/readdir.c,v 1.15 2008/05/05 14:05:23 kib Exp $");
-
-#include "namespace.h"
-#include <sys/param.h>
-#include <dirent.h>
-#include <errno.h>
-#include <string.h>
-#include <pthread.h>
-#include <unistd.h>
-#include "un-namespace.h"
-
-#include "libc_private.h"
-#include "telldir.h"
-
-/*
- * get next entry in a directory.
- */
-struct dirent *
-_readdir_unlocked(dirp, skip)
-       DIR *dirp;
-       int skip;
-{
-       struct dirent *dp;
-
-       for (;;) {
-               if (dirp->dd_loc >= dirp->dd_size) {
-                       if (dirp->dd_flags & __DTF_READALL)
-                               return (NULL);
-                       dirp->dd_loc = 0;
-               }
-               if (dirp->dd_loc == 0 && !(dirp->dd_flags & __DTF_READALL)) {
-#if __DARWIN_64_BIT_INO_T
-                       dirp->dd_size = __getdirentries64(dirp->dd_fd,
-                           dirp->dd_buf, dirp->dd_len, &dirp->dd_td->seekoff);
-#else /* !__DARWIN_64_BIT_INO_T */
-                       dirp->dd_size = _getdirentries(dirp->dd_fd,
-                           dirp->dd_buf, dirp->dd_len, &dirp->dd_seek);
-#endif /* __DARWIN_64_BIT_INO_T */
-                       if (dirp->dd_size <= 0)
-                               return (NULL);
-               }
-               dp = (struct dirent *)(dirp->dd_buf + dirp->dd_loc);
-               if ((long)dp & 03L)     /* bogus pointer check */
-                       return (NULL);
-               if (dp->d_reclen <= 0 ||
-                   dp->d_reclen > dirp->dd_len + 1 - dirp->dd_loc)
-                       return (NULL);
-               dirp->dd_loc += dp->d_reclen;
-               if (dp->d_ino == 0 && skip)
-                       continue;
-               if (dp->d_type == DT_WHT && (dirp->dd_flags & DTF_HIDEW))
-                       continue;
-               return (dp);
-       }
-}
-
-struct dirent *
-readdir(dirp)
-       DIR *dirp;
-{
-       struct dirent   *dp;
-
-       if (__isthreaded) {
-               _pthread_mutex_lock(&dirp->dd_lock);
-               dp = _readdir_unlocked(dirp, 1);
-               _pthread_mutex_unlock(&dirp->dd_lock);
-       }
-       else
-               dp = _readdir_unlocked(dirp, 1);
-       return (dp);
-}
-
-int
-readdir_r(dirp, entry, result)
-       DIR *dirp;
-       struct dirent *entry;
-       struct dirent **result;
-{
-       struct dirent *dp;
-       int saved_errno;
-
-       saved_errno = errno;
-       errno = 0;
-       if (__isthreaded) {
-               _pthread_mutex_lock(&dirp->dd_lock);
-               if ((dp = _readdir_unlocked(dirp, 1)) != NULL)
-                       memcpy(entry, dp, _GENERIC_DIRSIZ(dp));
-               _pthread_mutex_unlock(&dirp->dd_lock);
-       }
-       else if ((dp = _readdir_unlocked(dirp, 1)) != NULL)
-               memcpy(entry, dp, _GENERIC_DIRSIZ(dp));
-
-       if (errno != 0) {
-               if (dp == NULL)
-                       return (errno);
-       } else
-               errno = saved_errno;
-
-       if (dp != NULL)
-               *result = entry;
-       else
-               *result = NULL;
-
-       return (0);
-}