io_stream_cygfile.h

   1 /*
   2  * Copyright (c) 2001, Robert Collins.
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     A copy of the GNU General Public License can be found at
  10  *     http://www.gnu.org/
  11  *
  12  * Written by Robert Collins  <rbtcollins@hotmail.com>
  13  *
  14  */
  15
  16 #ifndef _IO_STREAM_CYGFILE_H_
  17 #define _IO_STREAM_CYGFILE_H_
  18
  19
  20 /* io_stream on disk files using cygwin paths
  21  * and potentially understanding links in the future
  22  */
  23
  24 extern int cygmkdir_p (int isadir, const char *path);
  25
  26 class io_stream_cygfile:public io_stream
  27 {
  28 public:
  29   static int exists (const char *);
  30   static int remove (const char *);
  31   static int mklink (const char *, const char *, io_stream_link_t);
  32     io_stream_cygfile (const char *, const char *);
  33   virtual ~io_stream_cygfile ();
  34   /* read data (duh!) */
  35   virtual ssize_t read (void *buffer, size_t len);
  36   /* provide data to (double duh!) */
  37   virtual ssize_t write (const void *buffer, size_t len);
  38   /* read data without removing it from the class's internal buffer */
  39   virtual ssize_t peek (void *buffer, size_t len);
  40   virtual long tell ();
  41   virtual int seek (long where, io_stream_seek_t whence);
  42   /* can't guess, oh well */
  43   virtual int error ();
  44   virtual int set_mtime (int);
  45   /* not relevant yet */
  46   virtual int get_mtime () { return 0;};
  47   /* dummy for io_stream_file */
  48   virtual const char *next_file_name ()
  49   {
  50     return NULL;
  51   };
  52 private:
  53   /* always require parameters */
  54     io_stream_cygfile ()
  55   {
  56   };
  57   FILE *fp;
  58   int lasterr;
  59   char *fname;
  60   char *lmode;
  61 };
  62
  63 #endif /* _IO_STREAM_CYGFILE_H_ */