\doc\web\99\05\doswin32.txt @How do I replace _dos_getdiskfree and Get/SetCurrentDirectory




==> 在 chy.bbs@bbs.cs.nthu.edu.tw (悲歡離合總是緣... 的文章中提到:
> In win 3.1, I use _dos_getdiskfree() to retrieve the info about
> the disk free space and it works well.
> But in Win32, I can not find the counterpart function?
> Does anyone have any suggestion?
> Thank for your kindly help.
>                                 DESPERED ^-^...


Try GetDiskFreeSpace().


#include <dos.h>, <errno.h>
Syntax 	unsigned _dos_getdiskfree( unsigned drive, struct _diskfree_t * 
diskspace );


  






Chris Marriott wrote in message ...
>In article <667u5p$hhu25@nrn2.NRCan.gc.ca>, "John A. Grant"
><jagrant@znrcan.gc.ca> writes
>>So here are my questions:
    [...chdir wraps SetCurrentDirectory as I suspected...]


>With Microsoft compilers, both "SetCurrentDirectory" and "_chdir" can be
>used to change both the directory *and* the drive.
    Ok, that's what I wanted to hear. I'll #ifdef _dos_getdrive()
    for Win16 only & rely on chdir() to do the Right Thing for Win32.


    [...]
>>    but I can only find @Get/SetCurrentDirectory. So where are
>>    the Get/SetCurrentDrive functions? Assuming chdir()
>>    & SetCurrentDirectory() won't change drive for me, where
>>    is the replacement for _dos_setdrive()?
>
>There is no "SetCurrentDrive" API. "SetCurrentDirectory" changes both
>drive *and* directory.
    Yeah, I could see there was no SetCurrentDrive(), but there's a
    reference to it in a comment in my BC++ 5.02 shellapi.h. I found
    it when I grepped for 'drive'. The comment is just above the
    SHFILEOPSTRUCTA typedef:


        "    ...
        // implicit parameters are:
        //      if pFrom or pTo are unqualified names the current
directories are
        //      taken from the global current drive/directory settings
managed
        //      by Get/SetCurrentDrive/Directory
        ..."        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^


    It's either:
    (a) a typo
    (b) a function that was never implemented
    (b) a function that was subsequently removed
    (c) a function that was eventually rolled into the ...Directory()
function


    [...UNC...]


    Thanks for the clarifications (Chris & Bunny).
--
John A. Grant   * I speak only for myself *   jagrant@znrcan.gc.ca (remove
'z')
Airborne Geophysics, Geological Survey of Canada, Ottawa
If you followup, please do NOT e-mail me a copy: I will read it here.