Re: incompatible pointer types with newer zlib

Peter Eisentraut <peter_e@gmx.net> writes:
> Fixing most of this is not difficult, see attached patch.  The only
> ugliness is in pg_backup_archiver.h

> FILE       *FH;             /* General purpose file handle */

> which is used throughout pg_dump as sometimes a real FILE* and sometimes
> a gzFile handle.  There are also some fileno() calls on this, so just
> replacing this with an #ifdef isn't going to work.  This might need some
> more restructuring to make the code truly type-safe.  My quick patch
> replaces the type with void*, thus sort of restoring the original
> situation that allowed this to work.

void * seems entirely reasonable given the two different usages, but
I would be happier if the patch added explicit casts whereever FH is
set to or used as one of these two types.

			regards, tom lane