[fpc-pascal] FPC docs about FindFirst

Marco van de Voort fpc at pascalprogramming.org
Tue Sep 24 09:24:55 CEST 2019


Op 2019-09-24 om 03:03 schreef Ralf Quint:
> systutils, so having documentation that includes the differences 
> between the versions would be helpful.
>
> Turbo Pascal (for DOS) didn't have a FindClose function, as 
> "officially", this would not be necessary on DOS. On all other OS, 
> including Windows, for many, many years (I first stumbled about 
> missing "FindClose" call in OS/2 some time in the early '90s) and got 
> used to *alway**s* terminate a file search with it, even if it is in 
> the case of DOS just a dummy routine that just returns without doing 
> nothing. Saves a lot of headaches trying to find the source of 
> apparent memory leaks in larger applications that do a lot of of file 
> searches...
>
>
Note that afaik Long File Name supporting versions of the Dos unit with 
Turbo Pascal did have findclose, as afaik the LFN apis required it too.


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