1  /*
       2   * DIRENT.H (formerly DIRLIB.H)
       3   * This file has no copyright assigned and is placed in the Public Domain.
       4   * This file is a part of the mingw-runtime package.
       5   * No warranty is given; refer to the file DISCLAIMER within the package.
       6   *
       7   */
       8  #ifndef _DIRENT_H_
       9  #define _DIRENT_H_
      10  
      11  #include <stdio.h>
      12  #include <io.h>
      13  
      14  #ifndef RC_INVOKED
      15  
      16  #ifdef __cplusplus
      17  extern "C" {
      18  #endif
      19  
      20  struct dirent
      21  {
      22  	long		d_ino;		/* Always zero. */
      23  	unsigned short	d_reclen;	/* Always zero. */
      24  	unsigned short	d_namlen;	/* Length of name in d_name. */
      25  	char		d_name[FILENAME_MAX+1]; /* File name plus nul delimiter. */
      26  };
      27  
      28  #ifdef _WIN64
      29  #define INTPTR __int64
      30  #else
      31  #define INTPTR long
      32  #endif
      33  
      34  /*
      35   * This is an internal data structure. Good programmers will not use it
      36   * except as an argument to one of the functions below.
      37   * dd_stat field is now int (was short in older versions).
      38   */
      39  typedef struct
      40  {
      41  	/* disk transfer area for this dir */
      42  	struct _finddata_t	dd_dta;
      43  
      44  	/* dirent struct to return from dir (NOTE: this makes this thread
      45  	 * safe as long as only one thread uses a particular DIR struct at
      46  	 * a time) */
      47  	struct dirent		dd_dir;
      48  
      49  	/* _findnext handle */
      50  	INTPTR			dd_handle;
      51  
      52  	/*
      53           * Status of search:
      54  	 *   0 = not started yet (next entry to read is first entry)
      55  	 *  -1 = off the end
      56  	 *   positive = 0 based index of next entry
      57  	 */
      58  	int			dd_stat;
      59  
      60  	/* given path for dir with search pattern (struct is extended) */
      61  	char			dd_name[1];
      62  } DIR;
      63  
      64  DIR* __cdecl opendir (const char*);
      65  struct dirent* __cdecl readdir (DIR*);
      66  int __cdecl closedir (DIR*);
      67  void __cdecl rewinddir (DIR*);
      68  long __cdecl telldir (DIR*);
      69  void __cdecl seekdir (DIR*, long);
      70  
      71  
      72  /* wide char versions */
      73  
      74  struct _wdirent
      75  {
      76  	long		d_ino;		/* Always zero. */
      77  	unsigned short	d_reclen;	/* Always zero. */
      78  	unsigned short	d_namlen;	/* Length of name in d_name. */
      79  	wchar_t		d_name[FILENAME_MAX+1]; /* File name plus nul delimiter. */
      80  };
      81  
      82  /*
      83   * This is an internal data structure. Good programmers will not use it
      84   * except as an argument to one of the functions below.
      85   */
      86  typedef struct
      87  {
      88  	/* disk transfer area for this dir */
      89  	struct _wfinddata_t	dd_dta;
      90  
      91  	/* dirent struct to return from dir (NOTE: this makes this thread
      92  	 * safe as long as only one thread uses a particular DIR struct at
      93  	 * a time) */
      94  	struct _wdirent		dd_dir;
      95  
      96  	/* _findnext handle */
      97  	INTPTR			dd_handle;
      98  
      99  	/*
     100           * Status of search:
     101  	 *   0 = not started yet (next entry to read is first entry)
     102  	 *  -1 = off the end
     103  	 *   positive = 0 based index of next entry
     104  	 */
     105  	int			dd_stat;
     106  
     107  	/* given path for dir with search pattern (struct is extended) */
     108  	wchar_t			dd_name[1];
     109  } _WDIR;
     110  
     111  
     112  
     113  _WDIR* __cdecl _wopendir (const wchar_t*);
     114  struct _wdirent*  __cdecl _wreaddir (_WDIR*);
     115  int __cdecl _wclosedir (_WDIR*);
     116  void __cdecl _wrewinddir (_WDIR*);
     117  long __cdecl _wtelldir (_WDIR*);
     118  void __cdecl _wseekdir (_WDIR*, long);
     119  
     120  
     121  #ifdef	__cplusplus
     122  }
     123  #endif
     124  
     125  #endif	/* Not RC_INVOKED */
     126  
     127  #endif	/* Not _DIRENT_H_ */