view netinstall/diskfull.cc @ 1648:712931b4b71d

[xemacs-hg @ 2003-08-27 18:06:54 by youngs] 2003-08-28 Steve Youngs <youngs@xemacs.org> * README.packages: Update. 2003-08-28 Steve Youngs <youngs@xemacs.org> * PACKAGES: Update. 2003-08-28 Steve Youngs <youngs@xemacs.org> * xemacs-faq.texi (Q2.0.2): Rewrite, mentioning the correct way to remove a package. (Q3.8.2): big-menubar is in the edit-utils package. (Q4.3.2): Add a comment about not needing TM for things like Gnus, MH-E and VM. (Q5.3.3): State correct location of ps-print.el. * xemacs/packages.texi (Packages): Remove "Creating Packages" menu entry. (Package Terminology): Whitespace clean up. (Installing Packages): Whitespace clean up and add some @code formatters. Re-organise the menu so that installation via PUI is first and Sumo is last. (Automatically): mule-base is no longer a requirement for using PUI. Mention optionally requiring mailcrypt. (Note): Removed. (Manually): Move to below the PUI installation method. (Sumo): Move to below the manual installation method. (Which Packages): Add mailcrypt. (Building Packages): Remove duplicated stuff that is in lispref/packaging.texi, xref to it instead. (Local.rules File): xref to the appropriate node in lispref/packaging.texi. (Available Packages): Update to current reality. (all): Removed. (srckit): Removed. (binkit): Removed. * xemacs/reading.texi (Reading Mail): Mention Gnus and MEW. * new-users-guide/custom2.texi (Init File): big-menubar.el is in the edit-utils package. * lispref/packaging.texi (Packaging): (The User View): (The Library Maintainer View): (Infrastructure): (Control Files): (Obtaining): (The Package Release Engineer View): (Package Terminology): (Building Packages): (Makefile Targets): (packages): New. (Local.rules File): (XEMACS_PACKAGES): Removed. (XEMACS_INSTALLED_PACKAGES_ROOT): New. (NONMULE_PACKAGES): New. (EXCLUDES): New. (Creating Packages): (BATCH): New. (VERSION): Removed. (AUTHOR_VERSION): Removed. (MAINTAINER): Removed. (PACKAGE): Removed. (PKG_TYPE): Removed. (REQUIRES): Removed. (CATEGORY): Removed. (ELS): Removed. (ELCS): Removed. (all): Removed. (srckit): Removed. (binkit): Removed. (are): New. (STANDARD_DOCS): New. (ELCS_1_DEST): New. (example): New. (PACKAGE_SUPPRESS): New. (EXPLICIT_DOCS): New. (DATA_DEST): New. (Documenting Packages): Not quite a total rewrite, but a fairly thorough audit nonetheless.
author youngs
date Wed, 27 Aug 2003 18:07:10 +0000
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 hide the mess needed just to figure
   out how full a given disk is.  There is an old API that can't
   handle disks bigger than 2G, and a new API that isn't always
   available. */

#include "win32.h"
#include "diskfull.h"

typedef   BOOL (WINAPI * GDFS)(LPCTSTR, PULARGE_INTEGER, PULARGE_INTEGER,
			      PULARGE_INTEGER);

int
diskfull (char *path)
{
  GDFS gdfs = 0;

  HINSTANCE k = LoadLibrary ("KERNEL32.DLL");
  if (k)
    {
      gdfs = (GDFS) GetProcAddress (k, "GetDiskFreeSpaceExA");

      if (gdfs)
	{
	  ULARGE_INTEGER avail, total, free;
	  if (gdfs (path, &avail, &total, &free))
	    {
	      int perc = avail.QuadPart * 100 / total.QuadPart;
	      return 100-perc;
	    }
	}
    }

  char root[4];
  if (path[1] != ':')
    return 0;

  root[0] = path[0];
  root[1] = ':';
  root[2] = '\\';
  root[3] = 0;

  DWORD junk, free_clusters, total_clusters;

  if (GetDiskFreeSpace (root, &junk, &junk, &free_clusters, &total_clusters))
    {
      int perc = free_clusters * 100 / total_clusters;
      return 100-perc;
    }

  return 0;
}