view netinstall/diskfull.cc @ 5066:545ec923b4eb

add documentation on keywords to cl*.el -------------------- ChangeLog entries follow: -------------------- lisp/ChangeLog addition: 2010-02-22 Ben Wing <ben@xemacs.org> * cl-seq.el: * cl-seq.el (reduce): * cl-seq.el (fill): * cl-seq.el (replace): * cl-seq.el (remove*): * cl-seq.el (remove-if): * cl-seq.el (remove-if-not): * cl-seq.el (delete*): * cl-seq.el (delete-if): * cl-seq.el (delete-if-not): * cl-seq.el (remove-duplicates): * cl-seq.el (delete-duplicates): * cl-seq.el (substitute): * cl-seq.el (substitute-if): * cl-seq.el (substitute-if-not): * cl-seq.el (nsubstitute): * cl-seq.el (nsubstitute-if): * cl-seq.el (nsubstitute-if-not): * cl-seq.el (find): * cl-seq.el (find-if): * cl-seq.el (find-if-not): * cl-seq.el (position): * cl-seq.el (position-if): * cl-seq.el (position-if-not): * cl-seq.el (count): * cl-seq.el (count-if): * cl-seq.el (count-if-not): * cl-seq.el (mismatch): * cl-seq.el (search): * cl-seq.el (sort*): * cl-seq.el (stable-sort): * cl-seq.el (merge): * cl-seq.el (member*): * cl-seq.el (member-if): * cl-seq.el (member-if-not): * cl-seq.el (assoc*): * cl-seq.el (assoc-if): * cl-seq.el (assoc-if-not): * cl-seq.el (rassoc*): * cl-seq.el (rassoc-if): * cl-seq.el (rassoc-if-not): * cl-seq.el (union): * cl-seq.el (nunion): * cl-seq.el (intersection): * cl-seq.el (nintersection): * cl-seq.el (set-difference): * cl-seq.el (nset-difference): * cl-seq.el (set-exclusive-or): * cl-seq.el (nset-exclusive-or): * cl-seq.el (subsetp): * cl-seq.el (subst-if): * cl-seq.el (subst-if-not): * cl-seq.el (nsubst): * cl-seq.el (nsubst-if): * cl-seq.el (nsubst-if-not): * cl-seq.el (sublis): * cl-seq.el (nsublis): * cl-seq.el (tree-equal): * cl-seq.el (cl-tree-equal-rec): * cl.el: * cl.el (pushnew): * cl.el (adjoin): * cl.el (subst): Document the keywords to the various sequence/list functions.
author Ben Wing <ben@xemacs.org>
date Mon, 22 Feb 2010 21:17:47 -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 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;
}