ftruncate() and truncate() may extend a file but they are not required to
do so.
> If the behavior has to be changed, wouldn't it be better to first
> give people a chance to get programs, that rely on the old
> behavior fixed, before enforcing the change?
A program relying on the old behaviour was violating standards. Also its been
this way for almost two years.
> Staroffice (the binary-only version; the new "open source"
> version is not yet ready for real-world use) for example
> currently doesn't write to FAT filesystems anymore - which is
> pretty annoying for people who need it.
>
> Is there somewhere a patch for the current kernel?
You might be able to fish it out of old -ac kernel trees and debug it further.
Alternatively you could implement it in glibc of course, which is a nicer
solution
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