mingw/include/dirent.h

   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 /* All the headers include this file. */
  12 #include <_mingw.h>
  13
  14 #include <io.h>
  15
  16 #ifndef RC_INVOKED
  17
  18 #ifdef __cplusplus
  19 extern "C" {
  20 #endif
  21
  22 struct dirent
  23 {
  24         long            d_ino;          /* Always zero. */
  25         unsigned short  d_reclen;       /* Always zero. */
  26         unsigned short  d_namlen;       /* Length of name in d_name. */
  27         char            d_name[FILENAME_MAX]; /* File name. */
  28 };
  29
  30 /*
  31  * This is an internal data structure. Good programmers will not use it
  32  * except as an argument to one of the functions below.
  33  * dd_stat field is now int (was short in older versions).
  34  */
  35 typedef struct
  36 {
  37         /* disk transfer area for this dir */
  38         struct _finddata_t      dd_dta;
  39
  40         /* dirent struct to return from dir (NOTE: this makes this thread
  41          * safe as long as only one thread uses a particular DIR struct at
  42          * a time) */
  43         struct dirent           dd_dir;
  44
  45         /* _findnext handle */
  46         long                    dd_handle;
  47
  48         /*
  49          * Status of search:
  50          *   0 = not started yet (next entry to read is first entry)
  51          *  -1 = off the end
  52          *   positive = 0 based index of next entry
  53          */
  54         int                     dd_stat;
  55
  56         /* given path for dir with search pattern (struct is extended) */
  57         char                    dd_name[1];
  58 } DIR;
  59
  60 DIR* __cdecl opendir (const char*);
  61 struct dirent* __cdecl readdir (DIR*);
  62 int __cdecl closedir (DIR*);
  63 void __cdecl rewinddir (DIR*);
  64 long __cdecl telldir (DIR*);
  65 void __cdecl seekdir (DIR*, long);
  66
  67
  68 /* wide char versions */
  69
  70 struct _wdirent
  71 {
  72         long            d_ino;          /* Always zero. */
  73         unsigned short  d_reclen;       /* Always zero. */
  74         unsigned short  d_namlen;       /* Length of name in d_name. */
  75         wchar_t         d_name[FILENAME_MAX]; /* File name. */
  76 };
  77
  78 /*
  79  * This is an internal data structure. Good programmers will not use it
  80  * except as an argument to one of the functions below.
  81  */
  82 typedef struct
  83 {
  84         /* disk transfer area for this dir */
  85         struct _wfinddata_t     dd_dta;
  86
  87         /* dirent struct to return from dir (NOTE: this makes this thread
  88          * safe as long as only one thread uses a particular DIR struct at
  89          * a time) */
  90         struct _wdirent         dd_dir;
  91
  92         /* _findnext handle */
  93         long                    dd_handle;
  94
  95         /*
  96          * Status of search:
  97          *   0 = not started yet (next entry to read is first entry)
  98          *  -1 = off the end
  99          *   positive = 0 based index of next entry
 100          */
 101         int                     dd_stat;
 102
 103         /* given path for dir with search pattern (struct is extended) */
 104         wchar_t                 dd_name[1];
 105 } _WDIR;
 106
 107
 108
 109 _WDIR* __cdecl _wopendir (const wchar_t*);
 110 struct _wdirent*  __cdecl _wreaddir (_WDIR*);
 111 int __cdecl _wclosedir (_WDIR*);
 112 void __cdecl _wrewinddir (_WDIR*);
 113 long __cdecl _wtelldir (_WDIR*);
 114 void __cdecl _wseekdir (_WDIR*, long);
 115
 116
 117 #ifdef  __cplusplus
 118 }
 119 #endif
 120
 121 #endif  /* Not RC_INVOKED */
 122
 123 #endif  /* Not _DIRENT_H_ */