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/* $Id: ntdir.h 3005 2016-11-06 00:07:37Z bird $ */
/** @file
* MSC + NT opendir, readdir, closedir and friends.
*/
/*
* Copyright (c) 2005-2013 knut st. osmundsen <bird-kBuild-spamx@anduin.net>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Alternatively, the content of this file may be used under the terms of the
* GPL version 2 or later, or LGPL version 2.1 or later.
*/
#ifndef ___nt_ntdir_h
#define ___nt_ntdir_h
#include "nttypes.h"
#include "ntstat.h"
typedef struct dirent
{
/** Optional stat information.
* Only provided if using birdDirOpenExtraInfo(). */
BirdStat_T d_stat;
/** The record length. */
unsigned __int16 d_reclen;
/** The name length. */
unsigned __int16 d_namlen;
/** The name type. */
unsigned char d_type;
/** The name. */
char d_name[512 - sizeof(BirdStat_T) - 2 - 2 - 1];
} BirdDirEntry_T;
typedef struct direntw
{
/** Optional stat information.
* Only provided if using birdDirOpenExtraInfo(). */
BirdStat_T d_stat;
/** The record length. */
unsigned __int16 d_reclen;
/** The name length (in wchar_t). */
unsigned __int16 d_namlen;
/** The name type. */
unsigned char d_type;
/** The name. */
wchar_t d_name[512 - sizeof(BirdStat_T) - 2 - 2 - 1];
} BirdDirEntryW_T;
#define d_ino d_stat.st_ino;
/** @name d_type values.
* @{ */
#define DT_UNKNOWN 0
#define DT_FIFO 1
#define DT_CHR 2
#define DT_DIR 4
#define DT_BLK 6
#define DT_REG 8
#define DT_LNK 10
#define DT_SOCK 12
#define DT_WHT 14
/** @} */
/** @name BIRDDIR_F_XXX - birdDirOpenFromHandle & BirdDir_T::fFlags
* @{ */
/** birdDirClose should also close pvHandle. */
#define BIRDDIR_F_CLOSE_HANDLE 1U
/** birdDirClose should not close the handle. */
#define BIRDDIR_F_KEEP_HANDLE 0U
/** Provide extra info (stat). */
#define BIRDDIR_F_EXTRA_INFO 2U
/** Whether to restart the scan. */
#define BIRDDIR_F_RESTART_SCAN 4U
/** Set if the BirdDir_T structure is statically allocated. */
#define BIRDDIR_F_STATIC_ALLOC 8U
/** @} */
typedef struct BirdDir
{
/** Magic value. */
unsigned uMagic;
/** Flags. */
unsigned fFlags;
/** The directory handle. */
void *pvHandle;
/** The device number (st_dev). */
unsigned __int64 uDev;
/** The current position. */
long offPos;
/** Set if we haven't yet read anything. */
int fFirst;
/** Set if we have data in the buffer. */
int fHaveData;
/** The info type we're querying. */
int iInfoClass;
/** The current buffer position. */
unsigned offBuf;
/** The number of bytes allocated for pabBuf. */
unsigned cbBuf;
/** Buffer of size cbBuf. */
unsigned char *pabBuf;
/** Static directory entry. */
union
{
BirdDirEntry_T DirEntry;
BirdDirEntryW_T DirEntryW;
} u;
} BirdDir_T;
/** Magic value for BirdDir. */
#define BIRD_DIR_MAGIC 0x19731120
BirdDir_T *birdDirOpen(const char *pszPath);
BirdDir_T *birdDirOpenExtraInfo(const char *pszPath);
BirdDir_T *birdDirOpenExW(void *hRoot, const wchar_t *pwszPath, const wchar_t *pwszFilter, unsigned fFlags);
BirdDir_T *birdDirOpenFromHandle(void *hDir, const void *pvReserved, unsigned fFlags);
BirdDir_T *birdDirOpenFromHandleWithReuse(BirdDir_T *pDir, void *pvHandle, const void *pvReserved, unsigned fFlags);
BirdDirEntry_T *birdDirRead(BirdDir_T *pDir);
BirdDirEntryW_T *birdDirReadW(BirdDir_T *pDir);
long birdDirTell(BirdDir_T *pDir);
void birdDirSeek(BirdDir_T *pDir, long offDir);
int birdDirClose(BirdDir_T *pDir);
#define opendir birdDirOpen
#define readdir birdDirRead
#define telldir birdDirTell
#define seekdir birdDirSeek
#define rewinddir(a_pDir, a_offDir) birdDirSeek(a_pDir, 0)
#define closedir birdDirClose
#define _D_NAMLEN(a_pEnt) ((a_pEnt)->d_namlen)
typedef BirdDir_T DIR;
#endif
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