view netinstall/nio-file.cc @ 4445:1d41b9bcf74f

Add `set-window-configuration/mapping' and `save-window-excursion/mapping'. 2008-04-13 Henry S. Thompson <ht@inf.ed.ac.uk>, Mike Sperber <mike@xemacs.org> * window-xemacs.el (save-window-excursion/mapping, set-window-configuration/mapping): Add. These function return an alist mapping the window objects from the original window configuration to the window objects corresponding to them in the restored configuration. (set-window-configuration): (saved-window): (root-window->saved-window): (really-set-window-configuration): (restore-saved-window): Record the mapping for above functions.
author Mike Sperber <sperber@deinprogramm.de>
date Sun, 13 Apr 2008 11:18:00 +0200
parents 3078fd1074e8
children
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/*
 * Copyright (c) 2000, Red Hat, Inc.
 *
 *     This program is free software; you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation; either version 2 of the License, or
 *     (at your option) any later version.
 *
 *     A copy of the GNU General Public License can be found at
 *     http://www.gnu.org/
 *
 * Written by DJ Delorie <dj@cygnus.com>
 *
 */

/* The purpose of this file is to manage access to files stored on the
   local disk (i.e. "downloading" setup.ini).  Called from netio.cc */

#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include "win32.h"
#include "netio.h"
#include "nio-file.h"
#include "resource.h"
#include "msg.h"

NetIO_File::NetIO_File (char *Purl)
  : NetIO (Purl)
{
  struct stat s;
  fd = fopen (path, "rb");
  if (fd)
    {
      stat (path, &s);
      file_size = s.st_size;
    }
  else
    {
      char *err = strerror (errno);
      if (!err)
	err = "(unknown error)";
      note (IDS_ERR_OPEN_READ, path, err);
    }
}

NetIO_File::~NetIO_File ()
{
  if (fd)
    fclose ((FILE *)fd);
}

int
NetIO_File::ok ()
{
  return fd ? 1 : 0;
}

int
NetIO_File::read (char *buf, int nbytes)
{
  return fread (buf, 1, nbytes, (FILE *)fd);
}