Index: svn_client.i
===================================================================
--- svn_client.i
+++ svn_client.i	Sat Aug 31 00:47:06 2002
@@ -33,7 +33,6 @@
    ### we don't have immediately handy. just eliminate these funcs for now. */
 %ignore svn_client_commit;
 %ignore svn_client_log;
-%ignore svn_client_diff;
 
 /* -----------------------------------------------------------------------
    all "targets" and "diff_options" arrays are constant inputs of
@@ -50,6 +49,23 @@
 %apply apr_hash_t **PROPHASH { apr_hash_t **props };
 
 /* -----------------------------------------------------------------------
+   In svn_client_diff, convert a python array into a apr_array_header_t.
+   We need a pool for this, and we want to use the pool that is being
+   passed in as the 10th argument to svn_client_diff.  To make this happen,
+   we use an abusive hack and emulate swig's generated code to find
+   that parameter and convert it into a usable apr_pool_t.
+*/
+
+%typemap(in) (const apr_array_header_t *diff_options) {
+  apr_pool_t *array_pool;
+  if ((SWIG_ConvertPtr(obj9, (void **) &array_pool,
+                       SWIGTYPE_p_apr_pool_t, 1)) == -1)
+    return NULL;
+  $1 = svn_swig_py_strings_to_array($input, array_pool);
+}
+
+
+/* -----------------------------------------------------------------------
    handle the return value for svn_client_proplist()
 */