Libc-262.tar.gz

[apple/libc.git] / include / dirent.h

diff --git a/include/dirent.h b/include/dirent.h
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+/*
+ * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
+ * 
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/*-
+ * Copyright (c) 1989, 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.
+ * 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.
+ *
+ *     @(#)dirent.h    8.2 (Berkeley) 7/28/94
+ */
+
+#ifndef _DIRENT_H_
+#define _DIRENT_H_
+
+/*
+ * The kernel defines the format of directory entries returned by 
+ * the getdirentries(2) system call.
+ */
+#include <sys/dirent.h>
+
+#ifdef _POSIX_SOURCE
+typedef void * DIR;
+#else
+
+#define        d_ino           d_fileno        /* backward compatibility */
+
+/* definitions for library routines operating on directories. */
+#define        DIRBLKSIZ       1024
+
+/* structure describing an open directory. */
+typedef struct _dirdesc {
+       int     dd_fd;          /* file descriptor associated with directory */
+       long    dd_loc;         /* offset in current buffer */
+       long    dd_size;        /* amount of data returned by getdirentries */
+       char    *dd_buf;        /* data buffer */
+       int     dd_len;         /* size of data buffer */
+       long    dd_seek;        /* magic cookie returned by getdirentries */
+       long    dd_rewind;      /* magic cookie for rewinding */
+       int     dd_flags;       /* flags for readdir */
+} DIR;
+
+#define        dirfd(dirp)     ((dirp)->dd_fd)
+
+/* flags for opendir2 */
+#define DTF_HIDEW      0x0001  /* hide whiteout entries */
+#define DTF_NODUP      0x0002  /* don't return duplicate names */
+#define DTF_REWIND     0x0004  /* rewind after reading union stack */
+#define __DTF_READALL  0x0008  /* everything has been read */
+
+#ifndef NULL
+#define        NULL    0
+#endif
+
+#endif /* _POSIX_SOURCE */
+
+#ifndef KERNEL
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+DIR *opendir __P((const char *));
+struct dirent *readdir __P((DIR *));
+void rewinddir __P((DIR *));
+int closedir __P((DIR *));
+#ifndef _POSIX_SOURCE
+DIR *__opendir2 __P((const char *, int));
+long telldir __P((const DIR *));
+void seekdir __P((DIR *, long));
+int scandir __P((const char *, struct dirent ***,
+    int (*)(struct dirent *), int (*)(const void *, const void *)));
+int alphasort __P((const void *, const void *));
+int getdirentries __P((int, char *, int, long *));
+int readdir_r __P((DIR *, struct dirent *, struct dirent **));
+#endif /* not POSIX */
+__END_DECLS
+
+#endif /* !KERNEL */
+
+#endif /* !_DIRENT_H_ */