Fix ZOOM_connection_Z3950_search: Assertion YAZ-750

[yaz-moved-to-github.git] / src / zoom-z3950.c

diff --git a/src/zoom-z3950.c b/src/zoom-z3950.c
index 6b55074..63202f3 100644 (file)
--- a/src/zoom-z3950.c
+++ b/src/zoom-z3950.c
@@ -510,7 +510,7 @@ static int encode_APDU(ZOOM_connection c, Z_APDU *a, ODR out)
         yaz_oi_set_string_oid(oi, out, yaz_oid_userinfo_cookie,
                               1, c->cookie_out);
     }
-    if (c->client_IP)
+    if (c->client_IP && a->which == Z_APDU_initRequest)
     {
         Z_OtherInformation **oi;
         yaz_oi_APDU(a, &oi);
@@ -1554,7 +1554,7 @@ zoom_ret ZOOM_connection_Z3950_search(ZOOM_connection c)
     ZOOM_resultset resultset;
     int *start, *count;
 
-    if (!c->tasks)
+    if (!c->tasks || c->tasks->which == ZOOM_TASK_SORT)
         return zoom_complete;
     assert(c->tasks->which == ZOOM_TASK_SEARCH);
     resultset = c->tasks->u.search.resultset;
@@ -1577,10 +1577,9 @@ zoom_ret ZOOM_connection_Z3950_search(ZOOM_connection c)
 
     if (resultset->live_set)
     {
-        if (*start >= resultset->size)
-            return zoom_complete;
         if (*start + *count > resultset->size)
-            *count = resultset->size - *start;
+            ZOOM_set_dset_error(c, YAZ_BIB1_PRESENT_REQUEST_OUT_OF_RANGE, "Bib-1",
+                       0, 0);
     }
 
     if (c->error)                  /* don't continue on error */
@@ -1724,7 +1723,8 @@ void ZOOM_handle_Z3950_apdu(ZOOM_connection c, Z_APDU *apdu)
     case Z_APDU_sortResponse:
         yaz_log(c->log_api, "%p handle_Z3950_apdu Sort response", c);
         handle_Z3950_sort_response(c, apdu->u.sortResponse);
-        ZOOM_connection_remove_task(c);
+        if (ZOOM_connection_Z3950_search(c) == zoom_complete)
+            ZOOM_connection_remove_task(c);
         break;
     case Z_APDU_scanResponse:
         yaz_log(c->log_api, "%p handle_Z3950_apdu Scan response", c);