Proposal for cseq:

cseq numbering:

--- a/modules/dialog/dlg_handlers.c    Wed Apr 03 13:33:38 2013 +0200
+++ b/modules/dialog/dlg_handlers.c    Fri Jun 14 13:39:47 2013 +0200
@@ -220,7 +220,7 @@
         cseq = (get_cseq(msg))->number;
     } else {
         /* use the same as in request */
-        cseq = dlg->cseq[DLG_CALLER_LEG];
+        cseq = dlg->cseq[DLG_CALLEE_LEG];
     }
 

avoid memory leak:

--- a/modules/dialog/dlg_hash.c    Fri Jun 14 13:40:12 2013 +0200
+++ b/modules/dialog/dlg_hash.c    Fri Jun 14 13:45:21 2013 +0200
@@ -485,7 +485,14 @@
     char *p;
 
     dlg->tag[leg].s = (char*)shm_malloc( tag->len + rr->len + contact->len );
-    dlg->cseq[leg].s = (char*)shm_malloc( cseq->len );
+    if(dlg->cseq[leg].s){
+      if (dlg->cseq[leg].len < cseq->len) {
+        shm_free(dlg->cseq[leg].s);
+        dlg->cseq[leg].s = (char*)shm_malloc(cseq->len);
+      }
+    }else{
+      dlg->cseq[leg].s = (char*)shm_malloc( cseq->len );
+    }
     if ( dlg->tag[leg].s==NULL || dlg->cseq[leg].s==NULL) {
         LM_ERR("no more shm mem\n");
         if (dlg->tag[leg].s)

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