[Zlib-devel] [PATCH] Avoid inclusion of unistd.h in all source files

[Mark Adler]

On Mar 18, 2010, at 2:34 PM, Xin LI wrote:
> It seems that zconf.h would include unistd.h if HAVE_UNISTD_H is set.
> However, only the gzlib.c, gzread.c and gzwrite.c really needs that
> (gzlib.c needs SEEK_* while the others needs standard Unix system
> calls).

The users of gzseek() need SEEK_*, so those need to be defined somehow by the inclusion of zlib.h/zconf.h.  For systems with unistd.h, that is best done by including unistd.h.

Mark