config: introduce an optional event stream while parsing

diff --git a/xdiff/xmerge.c b/xdiff/xmerge.c
index d98f430c912bead3ee5381eafd195dde4d709c47..1659edb45393a6b57ca70654e67784e5d0025c65 100644 (file)
--- a/xdiff/xmerge.c
+++ b/xdiff/xmerge.c
@@ -13,8 +13,8 @@
  *  Lesser General Public License for more details.
  *
  *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *  License along with this library; if not, see
+ *  <http://www.gnu.org/licenses/>.
  *
  *  Davide Libenzi <davidel@xmailserver.org>
  *
@@ -641,8 +641,11 @@ int xdl_merge(mmfile_t *orig, mmfile_t *mf1, mmfile_t *mf2,
        result->ptr = NULL;
        result->size = 0;
 
-       if (xdl_do_diff(orig, mf1, xpp, &xe1) < 0 ||
-                       xdl_do_diff(orig, mf2, xpp, &xe2) < 0) {
+       if (xdl_do_diff(orig, mf1, xpp, &xe1) < 0) {
+               return -1;
+       }
+       if (xdl_do_diff(orig, mf2, xpp, &xe2) < 0) {
+               xdl_free_env(&xe1);
                return -1;
        }
        if (xdl_change_compact(&xe1.xdf1, &xe1.xdf2, xpp->flags) < 0 ||
@@ -654,6 +657,8 @@ int xdl_merge(mmfile_t *orig, mmfile_t *mf1, mmfile_t *mf2,
        if (xdl_change_compact(&xe2.xdf1, &xe2.xdf2, xpp->flags) < 0 ||
            xdl_change_compact(&xe2.xdf2, &xe2.xdf1, xpp->flags) < 0 ||
            xdl_build_script(&xe2, &xscr2) < 0) {
+               xdl_free_script(xscr1);
+               xdl_free_env(&xe1);
                xdl_free_env(&xe2);
                return -1;
        }