🚀 go-pugleaf

In <JPL.92Aug25105414@antares.fct.unl.pt> jpl@fct.unl.pt (Joao Prospero Luis [ps]) writes:

>In article <172@chorus.chorus.fr> mir@opera.chorus.fr (Adam Mirowski) writes:

>>   Trying to make a file restoration utility, I recently noti-
>>   ced that there is no library call in Borland C and C++ to
>>   truncate a file. No truncate() and no ftruncate().
>>

Did you try looking at chsize()?  It performs the equivalent function and
has been in borland at least since 2.0, probably longer.

>>   Is there a clever trick to do to obtain that? I only need
>>   to change the size within the last cluster range: basically
>>   I want to bring a FILExxxx.CHK to its previous (and separately
>>   saved) name/size/date/time/attributes, etc.

>	Do a seek to the location where you want the file truncated
>and write zero bytes.
>	This only works if the call (write, fwrite whatever) really
>does an INT 21h to write zero bytes.

This would also work, but why give up portability...

>	JPL
>--
>Joao Prospero Luis                | BITNET/Internet: jpl@fct.unl.pt
>Universidade Nova de Lisboa       |            UUCP: jpl@unl.uucp
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Al
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SCS/Compute, Incorporated.                          other : awd@bold1.gatech.edu
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