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<HR><A NAME=WINAPI_MISC_DISK_INFO>
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<H4>Subject: Getting Disk Information</H4><PRE>
On Mon, 19 Jun 1995 04:56:25 GMT, smit2204@cs.fredonia.edu (Jaek Smith) said in article <DAELq1.AHA@cs.fredonia.edu>:
>Hello,
>
>  I am working under Visual C++ - and am wanting to be able to find out the
>amount of free space on the hard drive.  What is the easiest way to do this?

The same way you would do it in DOS.  Use _dos_getdiskfree() in dos.h


--
Robert Mashlan             R2M Software Company           Programmer for Hire
mailto:rmashlan@r2m.com    http://www.csn.net/~rmashlan     PGP key available
Resources for Windows Developers    -     http://www.csn.net/~rmashlan/windev
Windows Developers FAQ    -    http://www.csn.net/~rmashlan/win-developer-FAQ

</PRE>

<HR><A NAME=WINAPI_MISC_DETECT_PENTIUM>
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<H4>Subject: Detecting Pentium Chip</H4><PRE>

Once you determine you are on a 486 or higher, try to set bit 21 of EFLAGS.
That bit can be set iff the CPU supports the CPUID instruction.  Anything past
a 486 will support it.  Thus, if you cannot set bit 21, you are on a 486.

If you *can* set bit 21, issue a CPUID.  (It's possible that someone may do
a 486 that supports CPUID, so you can't assume that "supports CPUID" ==>
Pentium).  CPUID will tell you what the CPU is.

See "The Undocumented PC" for code.

--Tim Smith

</PRE>


<HR><A NAME=WINAPI_MISC_Version_Number>
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<H4>Subject: Version number on Win95</H4><PRE>
In article <805710883snz@blimpy.demon.co.uk>
           steck@acm.org "Paul A. Steckler" writes:

>I'm trying to 95ify my application.
>
>What does GetWindowsVersion() return under Windows 95?

Version 3.95. In a 32-bit program you should use "GetWindowsVersionEx"
which returns a LOT more information.

>Also, what is the format of the new long filenames?  Length?  Blanks
>allowed?

 - Up to 255 characters
 - Any character valid in a "short" name plus space, "+", ",", ";", "=",
   "[", "]".

File names are actually stored on the disk in Unicode, but this is 
transparent to your program.

Chris
-- 
--------------------------------------------------------------------------
| Chris Marriott, Warrington, UK      | Author of SkyMap v2 shareware    |
| chris@chrism.demon.co.uk            | astronomy program for Windows.   |
|      For more info, see http://www.winternet.com/~jasc/skymap.html     |
|      Author member of Association of Shareware Professionals (ASP)     |
--------------------------------------------------------------------------
 
</PRE>

<HR><A NAME=WINAPI_MISC_Disk_Label>
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<H4>Subject: How to get the drive label?</H4><PRE>
I presume by the drives label you mean Volume Header ?  If you do the the 
code below will do it.  If however you mean the Serial Number then I do 
not know but if you figure it out please let me know.

Simon.

#include <stdio.h>
#include <dir.h>
#include <dos.h>
#include <stdlib.h>

int main(int argc,char *argv[])
{
struct ffblk ffblk;
int *return_string;

if(argc==1)
        exit(1); //No files given
else
        {
        strcat(argv[1],"*.*");
        if((findfirst(argv[1],&ffblk,FA_LABEL))!=0)
                exit(2); //No label
        else
                {
                return_string=&ffblk.ff_name;
                return(*return_string);
                }
        }
return 0;
}
<HR>
try using _dos_findfirst() with the attribute set to _A_VOLID


Regards,
        Tim
<HR>
| Karl V. Kutschke (kvk@shangri-la.mv.com) wrote:
| : Is there a way to get a drive's label?

| Me too! me too! How'd you do it?

How about

     _dos_findfirst("C:\92*.*", _A_VOLID, ...);    // substitute drive letter 
as appropriate
<HR>
In article <DBu5AD.KIK@mv.mv.com>, kvk@shangri-la.mv.com says...
>
>>try using _dos_findfirst() with the attribute set to _A_VOLID

>Thanks, Tim, I'll look into it.  The prefixed underscore seems to me
>to indicate one of Windows "undocumented" function calls.  Is it?

No, the underscore is used by MS compilers to show it is MS defined.
_dos_findfirst ( or i.e. findfirst() in other compilers ) isn't a
undocumented call but a documented DOS ( and NT ) function call. Place
your cursor on findfirst in your compilers editor, hit F1 :-)

-- 
yours Carl Verner Skou
***********************************************************
  What's mind? Doesn't matter. What's matter? Don't mind.
    cvs@psy.aau.dk            2:237/10.3 Cognitive Point
    Institute of Psychology, Aarhus University, Denmark
</PRE> 

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