[Bug 197610] net/enet: unbreak on DragonFly

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=197610

            Bug ID: 197610
           Summary: net/enet: unbreak on DragonFly
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: nemysis at FreeBSD.org
          Reporter: jbeich at FreeBSD.org
          Assignee: nemysis at FreeBSD.org
             Flags: maintainer-feedback?(nemysis at FreeBSD.org)

Created attachment 152956
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=152956&action=edit
files/patch-unix.c

DragonFly's libc has $FreeBSD$ in some places, so gethostby*_r() return result
in one of the args. libenet breakage can be worked around either with
USES=alias or fixed in the few places the function is used.

http://bxr.su/DragonFly/lib/libc/net/gethostnamadr.c#486
vs.
http://bxr.su/NetBSD/lib/libc/net/gethnamaddr.c#520

$ make
...
checking for gethostbyaddr_r... yes
checking for gethostbyname_r... yes
...
unix.c: In function 'enet_address_set_host':
unix.c:110:5: warning: passing argument 5 of 'gethostbyname_r' from
incompatible pointer type [enabled by default]
In file included from unix.c:13:0:
/usr/include/netdb.h:244:6: note: expected 'struct hostent **' but argument is
of type 'int *'
unix.c:110:5: error: too few arguments to function 'gethostbyname_r'
In file included from unix.c:13:0:
/usr/include/netdb.h:244:6: note: declared here
unix.c: In function 'enet_address_get_host':
unix.c:168:64: warning: passing argument 7 of 'gethostbyaddr_r' from
incompatible pointer type [enabled by default]
In file included from unix.c:13:0:
/usr/include/netdb.h:242:6: note: expected 'struct hostent **' but argument is
of type 'int *'
unix.c:168:64: error: too few arguments to function 'gethostbyaddr_r'
In file included from unix.c:13:0:
/usr/include/netdb.h:242:6: note: declared here
*** Error code 1

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Auto-assigned to maintainer nemysis at FreeBSD.org

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