win32/include/dirent.h

   1 /**
   2  * This file has no copyright assigned and is placed in the Public Domain.
   3  * This file is part of the w64 mingw-runtime package.
   4  * No warranty is given; refer to the file DISCLAIMER within this package.
   5  */
   6 /* All the headers include this file. */
   7 #include <_mingw.h>
   8
   9 #ifndef __STRICT_ANSI__
  10
  11 #ifndef _DIRENT_H_
  12 #define _DIRENT_H_
  13
  14
  15 #pragma pack(push,_CRT_PACKING)
  16
  17 #include <io.h>
  18
  19 #ifndef RC_INVOKED
  20
  21 #ifdef __cplusplus
  22 extern "C" {
  23 #endif
  24
  25   struct dirent
  26   {
  27     long                d_ino;          /* Always zero. */
  28     unsigned short      d_reclen;       /* Always zero. */
  29     unsigned short      d_namlen;       /* Length of name in d_name. */
  30     char*               d_name;         /* File name. */
  31     /* NOTE: The name in the dirent structure points to the name in the
  32     *       finddata_t structure in the DIR. */
  33   };
  34
  35   /*
  36   * This is an internal data structure. Good programmers will not use it
  37   * except as an argument to one of the functions below.
  38   * dd_stat field is now int (was short in older versions).
  39   */
  40   typedef struct
  41   {
  42     /* disk transfer area for this dir */
  43     struct _finddata_t  dd_dta;
  44
  45     /* dirent struct to return from dir (NOTE: this makes this thread
  46     * safe as long as only one thread uses a particular DIR struct at
  47     * a time) */
  48     struct dirent               dd_dir;
  49
  50     /* _findnext handle */
  51     long                        dd_handle;
  52
  53     /*
  54     * Status of search:
  55     *   0 = not started yet (next entry to read is first entry)
  56     *  -1 = off the end
  57     *   positive = 0 based index of next entry
  58     */
  59     int                 dd_stat;
  60
  61     /* given path for dir with search pattern (struct is extended) */
  62     char                        dd_name[1];
  63   } DIR;
  64
  65   DIR* __cdecl opendir (const char*);
  66   struct dirent* __cdecl readdir (DIR*);
  67   int __cdecl closedir (DIR*);
  68   void __cdecl rewinddir (DIR*);
  69   long __cdecl telldir (DIR*);
  70   void __cdecl seekdir (DIR*, long);
  71
  72
  73   /* wide char versions */
  74
  75   struct _wdirent
  76   {
  77     long                d_ino;          /* Always zero. */
  78     unsigned short      d_reclen;       /* Always zero. */
  79     unsigned short      d_namlen;       /* Length of name in d_name. */
  80     wchar_t*    d_name;         /* File name. */
  81     /* NOTE: The name in the dirent structure points to the name in the  *       wfinddata_t structure in the _WDIR. */
  82   };
  83
  84   /*
  85   * This is an internal data structure. Good programmers will not use it
  86   * except as an argument to one of the functions below.
  87   */
  88   typedef struct
  89   {
  90     /* disk transfer area for this dir */
  91     struct _wfinddata_t dd_dta;
  92
  93     /* dirent struct to return from dir (NOTE: this makes this thread
  94     * safe as long as only one thread uses a particular DIR struct at
  95     * a time) */
  96     struct _wdirent             dd_dir;
  97
  98     /* _findnext handle */
  99     long                        dd_handle;
 100
 101     /*
 102     * Status of search:
 103     *   0 = not started yet (next entry to read is first entry)
 104     *  -1 = off the end
 105     *   positive = 0 based index of next entry
 106     */
 107     int                 dd_stat;
 108
 109     /* given path for dir with search pattern (struct is extended) */
 110     wchar_t                     dd_name[1];
 111   } _WDIR;
 112
 113
 114
 115   _WDIR* __cdecl _wopendir (const wchar_t*);
 116   struct _wdirent*  __cdecl _wreaddir (_WDIR*);
 117   int __cdecl _wclosedir (_WDIR*);
 118   void __cdecl _wrewinddir (_WDIR*);
 119   long __cdecl _wtelldir (_WDIR*);
 120   void __cdecl _wseekdir (_WDIR*, long);
 121
 122
 123 #ifdef  __cplusplus
 124 }
 125 #endif
 126
 127 #endif  /* Not RC_INVOKED */
 128
 129 #pragma pack(pop)
 130
 131 #endif  /* Not _DIRENT_H_ */
 132
 133
 134 #endif  /* Not __STRICT_ANSI__ */
 135