fix build: ISREF undefined in <=PHP_5_2

git-svn-id: svn://svn.lighttpd.net/xcache/trunk@798 c26eb9a1-5813-0410-bd6c-c2e55f420ca7

xcache.c

@@ -2883,7 +2883,7 @@ PHP_FUNCTION(xcache_get_refcount)
 		RETURN_NULL();
 	}
 
-	RETURN_LONG(Z_REFCOUNT_P(variable));
+	RETURN_LONG(Z_REFCOUNT(*variable));
 }
 /* }}} */
 /* {{{ proto bool xcache_get_isref(mixed variable)
@@ -2899,7 +2899,7 @@ PHP_FUNCTION(xcache_get_isref)
 		RETURN_NULL();
 	}
 
-	RETURN_BOOL(Z_ISREF_P(variable) && Z_REFCOUNT_P(variable) >= 3);
+	RETURN_BOOL(Z_ISREF(*variable) && Z_REFCOUNT(*variable) >= 3);
 }
 /* }}} */
 #ifdef HAVE_XCACHE_DPRINT

xcache.h

@@ -53,12 +53,18 @@
 #	define my_free_alloca(size, use_heap) free_alloca(size)
 #	define ALLOCA_FLAG(x)
 #endif
+#ifndef Z_ISREF
+#	define Z_ISREF(z) (z).is_ref
+#endif
 #ifndef Z_SET_ISREF
 #	define Z_SET_ISREF(z) (z).is_ref = 1
 #endif
 #ifndef Z_UNSET_ISREF
 #	define Z_UNSET_ISREF(z) (z).is_ref = 0
 #endif
+#ifndef Z_REFCOUNT
+#	define Z_REFCOUNT(z) (z).refcount
+#endif
 #ifndef Z_SET_REFCOUNT
 #	define Z_SET_REFCOUNT(z, rc) (z).refcount = rc
 #endif