libguile/win32-dirent.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_WIN32_DIRENT_H
   4 #define SCM_WIN32_DIRENT_H
   5
   6 /* Copyright (C) 2001 Free Software Foundation, Inc.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2, or (at your option)
  11  * any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this software; see the file COPYING.  If not, write to
  20  * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  21  * Boston, MA 02111-1307 USA
  22  *
  23  * As a special exception, the Free Software Foundation gives permission
  24  * for additional uses of the text contained in its release of GUILE.
  25  *
  26  * The exception is that, if you link the GUILE library with other files
  27  * to produce an executable, this does not by itself cause the
  28  * resulting executable to be covered by the GNU General Public License.
  29  * Your use of that executable is in no way restricted on account of
  30  * linking the GUILE library code into it.
  31  *
  32  * This exception does not however invalidate any other reasons why
  33  * the executable file might be covered by the GNU General Public License.
  34  *
  35  * This exception applies only to the code released by the
  36  * Free Software Foundation under the name GUILE.  If you copy
  37  * code from other Free Software Foundation releases into a copy of
  38  * GUILE, as the General Public License permits, the exception does
  39  * not apply to the code that you add in this way.  To avoid misleading
  40  * anyone as to the status of such modified files, you must delete
  41  * this exception notice from them.
  42  *
  43  * If you write modifications of your own for GUILE, it is your choice
  44  * whether to permit this exception to apply to your modifications.
  45  * If you do not wish that, delete this exception notice.  */
  46
  47 /* Directory stream type.
  48    The miscellaneous Unix `readdir' implementations read directory data
  49    into a buffer and return `struct dirent *' pointers into it.  */
  50
  51 #include <sys/types.h>
  52
  53 struct dirstream
  54 {
  55   int fd;               /* File descriptor.  */
  56   char *data;           /* Directory block.  */
  57   size_t allocation;    /* Space allocated for the block.  */
  58   size_t size;          /* Total valid data in the block.  */
  59   size_t offset;        /* Current offset into the block.  */
  60   off_t filepos;        /* Position of next entry to read.  */
  61   char *mask;           /* Initial file mask. */
  62 };
  63
  64 struct dirent
  65 {
  66   long d_ino;
  67   off_t d_off;
  68   unsigned short int d_reclen;
  69   unsigned char d_type;
  70   char d_name[256];
  71 };
  72
  73 #define d_fileno d_ino /* Backwards compatibility. */
  74
  75 /* This is the data type of directory stream objects.
  76    The actual structure is opaque to users.  */
  77
  78 typedef struct dirstream DIR;
  79
  80 DIR * opendir (const char * name);
  81 struct dirent * readdir (DIR * dir);
  82 int closedir (DIR * dir);
  83 void rewinddir (DIR * dir);
  84 void seekdir (DIR * dir, off_t offset);
  85 off_t telldir (DIR * dir);
  86 int dirfd (DIR * dir);
  87
  88 #endif /* SCM_WIN32_DIRENT_H */