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/*------------------------------------------------------------------------------
* Copyright (C) 2003-2006 Matt J. Weinstein
*
* Distributable under the terms of either the Apache License (Version 2.0) or
* the GNU Lesser General Public License, as specified in the COPYING file.
------------------------------------------------------------------------------*/
#ifndef lucene_util_dirent_H
#define lucene_util_dirent_H
#if defined(_LUCENE_PRAGMA_ONCE)
# pragma once
#endif
#if !defined(_CL_HAVE_DIRENT_H) && !defined(_CL_HAVE_SYS_NDIR_H) && !defined(_CL_HAVE_SYS_DIR_H) && !defined(_CL_HAVE_NDIR_H)
/**
\unit
* dirent.c
*
* Derived from DIRLIB.C by Matt J. Weinstein
* This note appears in the DIRLIB.H
* DIRLIB.H by M. J. Weinstein Released to public domain 1-Jan-89
*
* Updated by Jeremy Bettis <jeremy@hksys.com>
* Significantly revised and rewinddir, seekdir and telldir added by Colin
* Cut down again & changed by Ben van Klinken
* Peters <colin@fu.is.saga-u.ac.jp>
*
*/
/** dirent structure - used by the dirent.h directory iteration functions */
struct dirent
{
unsigned short d_namlen; /* Length of name in d_name. */
char *d_name; /* File name. */
};
/** DIR structure - used by the dirent.h directory iteration functions*/
struct DIR
{
/** disk transfer area for this dir */
struct _finddata_t dd_dta;
/* dirent struct to return from dir (NOTE: this makes this thread
* safe as long as only one thread uses a particular DIR struct at
* a time) */
struct dirent dd_dir;
/** _findnext handle */
intptr_t dd_handle;
/**
* Status of search:
* 0 = not started yet (next entry to read is first entry)
* -1 = off the end
* positive = 0 based index of next entry
*/
int32_t dd_stat;
/** given path for dir with search pattern (struct is extended) */
char dd_name[CL_MAX_DIR];
};
#define DIRENT_SEARCH_SUFFIX "*"
#define DIRENT_SLASH PATH_DELIMITERA
/**
* Returns a pointer to a DIR structure appropriately filled in to begin
* searching a directory.
*/
DIR* opendir (const char* filespec);
/**
* Return a pointer to a dirent structure filled with the information on the
* next entry in the directory.
*/
struct dirent* readdir (DIR* dir);
/**
* Frees up resources allocated by opendir.
*/
int32_t closedir (DIR* dir);
#elif defined (_CL_HAVE_DIRENT_H)
# include <dirent.h>
# define NAMLEN(dirent) strlen((dirent)->d_name)
#else
# define dirent direct
# define NAMLEN(dirent) (dirent)->d_namlen
# if defined(_CL_HAVE_SYS_NDIR_H)
# include <sys/ndir.h>
# endif
# if defined(_CL_HHAVE_SYS_DIR_H)
# include <sys/dir.h>
# endif
# if defined(_CL_HHAVE_NDIR_H)
# include <ndir.h>
# endif
#endif //HAVE_DIRENT_H
#endif
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