include/sys/dirent.h

   1 /* Posix dirent.h for WIN32.
   2
   3    Copyright 2001 Red Hat, Inc.
   4
   5    This software is a copyrighted work licensed under the terms of the
   6    Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
   7    details. */
   8
   9 /* Including this file should not require any Windows headers.  */
  10
  11 #ifndef _SYS_DIRENT_H
  12 #define _SYS_DIRENT_H
  13
  14 #include <sys/types.h>
  15
  16 #define __DIRENT_VERSION        1
  17
  18 struct dirent
  19 {
  20   long d_version; /* Used since Cygwin 1.3.3. */
  21   long __d_reserved[2];
  22   long d_fd; /* File descriptor of open directory. Used since Cygwin 1.3.3. */
  23   ino_t d_ino; /* Just for compatibility, it's junk */
  24   char d_name[256];             /* FIXME: use NAME_MAX? */
  25 };
  26
  27 #define __DIRENT_COOKIE 0xdede4242
  28
  29 typedef struct
  30 {
  31   /* This is first to set alignment in non _COMPILING_NEWLIB case.  */
  32   unsigned long __d_cookie;
  33   struct dirent *__d_dirent;
  34   char *__d_dirname;            /* directory name with trailing '*' */
  35   off_t __d_position;           /* used by telldir/seekdir */
  36   unsigned long __d_dirhash;    /* hash of directory name for use by
  37                                    readdir */
  38   union
  39     {
  40 #ifdef _COMPILING_NEWLIB
  41       struct
  42         {
  43           void *__handle;
  44           char __open_p;
  45         } __d_data;
  46 #endif
  47       char __d_filler[16];
  48     } __d_u;
  49 } DIR;
  50
  51 DIR *opendir (const char *);
  52 struct dirent *readdir (DIR *);
  53 void rewinddir (DIR *);
  54 int closedir (DIR *);
  55
  56 int dirfd (DIR *);
  57
  58 #ifndef _POSIX_SOURCE
  59 off_t telldir (DIR *);
  60 void seekdir (DIR *, off_t loc);
  61
  62 int scandir (const char *__dir,
  63              struct dirent ***__namelist,
  64              int (*select) (const struct dirent *),
  65              int (*compar) (const struct dirent **, const struct dirent **));
  66
  67 int alphasort (const struct dirent **__a, const struct dirent **__b);
  68 #endif /* _POSIX_SOURCE */
  69
  70 #endif