Allows ADNS to build on MacOS X
  --md@hudora.de

diff -ru adns-1.0/Makefile adns-1.0-osx/Makefile
--- adns-1.0/Makefile	Sun Sep 17 16:17:01 2000
+++ adns-1.0-osx/Makefile	Tue May 13 22:17:47 2003
@@ -28,7 +28,7 @@
 
 srcdir=		.
 
-ENABLE_DYNAMIC=	elf
+ENABLE_DYNAMIC=	nope
 ifeq ($(ENABLE_DYNAMIC),elf)
 SUBDIRS_DYNAMIC=dynamic
 else
diff -ru adns-1.0/configure.in adns-1.0-osx/configure.in
--- adns-1.0/configure.in	Sun Sep 17 02:24:24 2000
+++ adns-1.0-osx/configure.in	Tue May 13 21:46:15 2003
@@ -21,7 +21,8 @@
 #  along with this program; if not, write to the Free Software Foundation,
 #  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 
 
-AC_INIT(src/adns.h)
+AC_INIT
+AC_CONFIG_SRCDIR([src/adns.h])
 AC_CONFIG_HEADER(src/config.h)
 
 dnl DPKG_CACHED_TRY_COMPILE(<description>,<cachevar>,<include>,<program>,<ifyes>,<ifno>)
@@ -141,7 +142,7 @@
 MKSHLIB_2=''
 MKSHLIB_3='-lc'
 
-AC_OUTPUT(
-	settings.make Makefile
+AC_CONFIG_FILES([settings.make Makefile
 	src/Makefile client/Makefile dynamic/Makefile regress/Makefile
-)
+])
+AC_OUTPUT
diff -ru adns-1.0/src/check.c adns-1.0-osx/src/check.c
--- adns-1.0/src/check.c	Sun Sep 17 02:24:24 2000
+++ adns-1.0-osx/src/check.c	Tue May 13 22:09:44 2003
@@ -51,6 +51,15 @@
     }										\
   } while(0)
 
+#define DLIST_ASSERTON_NOPART(node, nodevar, list)				\
+  do {										\
+    for ((nodevar)= (list).head;						\
+	 (nodevar) != (node);							\
+	 (nodevar)= (nodevar)-> next) {					\
+      assert((nodevar));							\
+    }										\
+  } while(0)
+
 static void checkc_query_alloc(adns_state ads, adns_query qu) {
   allocnode *an;
 
@@ -181,16 +190,16 @@
   if (qu) {
     switch (qu->state) {
     case query_tosend:
-      DLIST_ASSERTON(qu, search, ads->udpw, );
+      DLIST_ASSERTON_NOPART(qu, search, ads->udpw);
       break;
     case query_tcpw:
-      DLIST_ASSERTON(qu, search, ads->tcpw, );
+      DLIST_ASSERTON_NOPART(qu, search, ads->tcpw);
       break;
     case query_childw:
-      DLIST_ASSERTON(qu, search, ads->childw, );
+      DLIST_ASSERTON_NOPART(qu, search, ads->childw);
       break;
     case query_done:
-      DLIST_ASSERTON(qu, search, ads->output, );
+      DLIST_ASSERTON_NOPART(qu, search, ads->output);
       break;
     default:
       assert(!"specific query state");
diff -ru adns-1.0/src/dlist.h adns-1.0-osx/src/dlist.h
--- adns-1.0/src/dlist.h	Mon May  8 00:37:18 2000
+++ adns-1.0-osx/src/dlist.h	Tue May 13 22:05:48 2003
@@ -47,7 +47,21 @@
     (list).tail= (node); \
   } while(0)
 
-#define LIST_UNLINK(list,node) LIST_UNLINK_PART(list,node,)
-#define LIST_LINK_TAIL(list,node) LIST_LINK_TAIL_PART(list,node,)
+#define LIST_UNLINK(list,node) \
+  do { \
+    if ((node)-> back) (node)-> back-> next= (node)-> next; \
+      else                                  (list).head= (node)-> next; \
+    if ((node)-> next) (node)-> next-> back= (node)-> back; \
+      else                                  (list).tail= (node)-> back; \
+  } while(0)
+                        
+
+#define LIST_LINK_TAIL(list,node) \
+  do { \
+    (node)-> next= 0; \
+    (node)-> back= (list).tail; \
+    if ((list).tail) (list).tail-> next= (node); else (list).head= (node); \
+    (list).tail= (node); \
+  } while(0)
 
 #endif