[PATCH COMMITTED] resolv: Remove BSD compatibility conditionals and header

[fweimer at redhat dot com (Florian Weimer)]

2016-04-28  Florian Weimer  <fweimer@redhat.com>

	* resolv/arpa/nameser.h: Include <sys/types.h> unconditionally.
	* resolv/gethnamaddr.c: Use include files from conf/portability.h.
	Remove BSD-related preprocessor conditionals.
	* conf/portability.h: Remove.

diff --git a/conf/portability.h b/conf/portability.h
deleted file mode 100644
index 54a25d8..0000000
--- a/conf/portability.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* This file is used by some of the resolver code in inet/ that
-   comes from BIND 4.9.  I have written this file instead of modifying
-   those things not to use it so that I can later drop in replacement
-   files from future BIND distributions without change.  */
-
-#include <unistd.h>
-#include <string.h>
-#include <stdlib.h>
-
-/* Some BIND code decides it can omit the definitions of some functions
-   if BSD is defined to some value.  That might make sense when the BIND
-   code is augmenting or replacing an existing system library, but we can
-   never omit a function here, since we are defining the system library.  */
-
-#undef BSD
-
-/* Some code does stupid compatibility kludges for SunOS braindeath
-   #ifdef sun.  */
-
-#undef sun
-
-/* The source code copied from BIND for inet_addr/inet_aton
-   doesn't actually define the functions without these macros.  */
-
-#define NEED_INETADDR	1
-#define NEED_INETATON	1
diff --git a/resolv/arpa/nameser.h b/resolv/arpa/nameser.h
index fb8513b..04f8844 100644
--- a/resolv/arpa/nameser.h
+++ b/resolv/arpa/nameser.h
@@ -57,11 +57,7 @@
 #define BIND_4_COMPAT
 
 #include <sys/param.h>
-#if (!defined(BSD)) || (BSD < 199306)
-# include <sys/bitypes.h>
-#else
-# include <sys/types.h>
-#endif
+#include <sys/types.h>
 #include <sys/cdefs.h>
 
 /*%
diff --git a/resolv/gethnamaddr.c b/resolv/gethnamaddr.c
index 2c71313..1b55ba1 100644
--- a/resolv/gethnamaddr.c
+++ b/resolv/gethnamaddr.c
@@ -66,6 +66,8 @@
 #include <resolv.h>
 #include <ctype.h>
 #include <errno.h>
+#include <stdlib.h>
+#include <string.h>
 
 #ifndef LOG_AUTH
 # define LOG_AUTH 0
@@ -73,13 +75,6 @@
 
 #define MULTI_PTRS_ARE_ALIASES 1	/* XXX - experimental */
 
-#if defined(BSD) && (BSD >= 199103) && defined(AF_INET6)
-# include <stdlib.h>
-# include <string.h>
-#else
-# include "../conf/portability.h"
-#endif
-
 #if defined(USE_OPTIONS_H)
 # include <../conf/options.h>
 #endif
@@ -963,49 +958,3 @@ addrsort (char **ap, int num)
 	    needsort++;
 	}
 }
-
-#if defined(BSD43_BSD43_NFS) || defined(sun)
-/* some libc's out there are bound internally to these names (UMIPS) */
-void
-ht_sethostent (int stayopen)
-{
-	_sethtent(stayopen);
-}
-
-void
-ht_endhostent (void)
-{
-	_endhtent();
-}
-
-struct hostent *
-ht_gethostbyname (char *name)
-{
-	return (_gethtbyname(name));
-}
-
-struct hostent *
-ht_gethostbyaddr (const char *addr, size_t len, int af)
-{
-	return (_gethtbyaddr(addr, len, af));
-}
-
-struct hostent *
-gethostent (void)
-{
-	return (_gethtent());
-}
-
-void
-dns_service (void)
-{
-	return;
-}
-
-#undef dn_skipname
-dn_skipname(comp_dn, eom)
-	const u_char *comp_dn, *eom;
-{
-	return (__dn_skipname(comp_dn, eom));
-}
-#endif /*old-style libc with yp junk in it*/