view netinstall/nio-file.cc @ 4934:714f7c9fabb1

make it easier to debug staticpro crashes. Add functions to print out the variable names saved during calls to staticpro(), and change the order of enumerating staticpros to start from 0 to make it easier to get a count to pass to the new functions.
author Ben Wing <ben@xemacs.org>
date Tue, 19 Jan 2010 01:21:39 -0600
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);
}