- Provide in external interface preprocessor symbol definitions for

CARES_HAVE_ARES_LIBRARY_INIT and CARES_HAVE_ARES_LIBRARY_CLEANUP
  to ease the use of new capabilities.

- Move ares_version() prototype to ares.h

Makefile.vc6

@@ -221,7 +221,7 @@ $(OBJ_DIR)\ares_destroy.obj: ares_destroy.c setup.h setup_once.h ares.h        \
 $(OBJ_DIR)\ares_mkquery.obj: ares_mkquery.c setup.h setup_once.h nameser.h     \
   ares.h ares_dns.h ares_build.h ares_rules.h
 
-$(OBJ_DIR)\ares_version.obj: ares_version.c setup.h setup_once.h               \
+$(OBJ_DIR)\ares_version.obj: ares_version.c setup.h setup_once.h ares.h        \
   ares_version.h ares_build.h ares_rules.h
 
 $(OBJ_DIR)\ares_expand_name.obj: ares_expand_name.c setup.h setup_once.h       \

ares.h

@@ -19,8 +19,9 @@
 #ifndef ARES__H
 #define ARES__H
 
-#include "ares_build.h"  /* c-ares build definitions */
-#include "ares_rules.h"  /* c-ares rules enforcement */
+#include "ares_version.h"  /* c-ares version defines   */
+#include "ares_build.h"    /* c-ares build definitions */
+#include "ares_rules.h"    /* c-ares rules enforcement */
 
 /*
  * Define WIN32 when build target is Win32 API
@@ -248,6 +249,7 @@ typedef int  (*ares_sock_create_callback)(ares_socket_t socket_fd,
 
 int ares_library_init(int flags);
 void ares_library_cleanup(void);
+const char *ares_version(int *version);
 
 int ares_init(ares_channel *channelptr);
 int ares_init_options(ares_channel *channelptr, struct ares_options *options,

ares_version.c

@@ -1,7 +1,7 @@
 /* $Id$ */
 
 #include "setup.h"
-#include "ares_version.h"
+#include "ares.h"
 
 const char *ares_version(int *version)
 {

ares_version.h

@@ -11,15 +11,12 @@
                        (ARES_VERSION_PATCH))
 #define ARES_VERSION_STR "1.6.1-CVS"
 
-#ifdef  __cplusplus
-extern "C" {
-#endif
-
-const char *ares_version(int *version);
-
-#ifdef  __cplusplus
-}
+#if (ARES_VERSION >= 0x010601)
+#  define CARES_HAVE_ARES_LIBRARY_INIT 1
+#  define CARES_HAVE_ARES_LIBRARY_CLEANUP 1
+#else
+#  undef CARES_HAVE_ARES_LIBRARY_INIT
+#  undef CARES_HAVE_ARES_LIBRARY_CLEANUP
 #endif
 
 #endif
-