ast_dir.h revision 7c2fbfb345896881c631598ee3852ce9ce33fb07
/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2008 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* 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