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ast_dir.h

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*                  Copyright (c) 1985-2005 AT&T Corp.                  *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                            by AT&T Corp.                             *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                  David Korn <dgk@research.att.com>                   *
*                   Phong Vo <kpv@research.att.com>                    *
*                                                                      *
***********************************************************************/
#pragma prototyped

/*
 * AT&T Research
 *
 * common dirent maintenance interface
 */

#ifndef _AST_DIR_H
#define _AST_DIR_H

#include <ast_lib.h>

#if _mem_d_fileno_dirent || _mem_d_ino_dirent
#if !_mem_d_fileno_dirent
#undef      _mem_d_fileno_dirent
#define _mem_d_fileno_dirent  1
#define d_fileno        d_ino
#endif
#endif

#if _BLD_ast
#include "dirlib.h"
#else
#include <dirent.h>
#endif

#if _mem_d_fileno_dirent
#define D_FILENO(d)           ((d)->d_fileno)
#endif

#if _mem_d_namlen_dirent
#define D_NAMLEN(d)           ((d)->d_namlen)
#else
#define D_NAMLEN(d)           (strlen((d)->d_name))
#endif

#if _mem_d_reclen_dirent
#define D_RECLEN(d)           ((d)->d_reclen)
#else
#define D_RECLEN(d)           D_RECSIZ(d,D_NAMLEN(d))
#endif

#define D_RECSIZ(d,n)         (sizeof(*(d))-sizeof((d)->d_name)+((n)+sizeof(char*))&~(sizeof(char*)-1))

/*
 * NOTE: 2003-03-27 mac osx bug symlink==DT_REG bug discovered;
 *     the kernel *and* all directories must be fixed, so d_type
 *     is summarily disabled until we see that happen
 */

#if _mem_d_type_dirent && defined(DT_UNKNOWN) && defined(DT_REG) && defined(DT_DIR) && defined(DT_LNK) && ! ( __APPLE__ || __MACH__ )
#define D_TYPE(d)       ((d)->d_type)
#endif

#endif

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