dialog: wrapper function to set a dlg var with unsigned integer param…

…eter

- use it to set cseq diff value

(cherry picked from commit b7dc2ac)

src/modules/dialog/dlg_cseq.c

@@ -173,8 +173,7 @@ int dlg_cseq_update(sip_msg_t *msg)
 		LM_DBG("nothing to increment\n");
 		goto done;
 	}
-	nval.s = int2str(vinc, &nval.len);
-	if(set_dlg_variable(dlg, &_dlg_cseq_diff_var_name, &nval) <0) {
+	if(set_dlg_variable_uintval(dlg, &_dlg_cseq_diff_var_name, vinc) <0) {
 		LM_ERR("failed to set the dlg cseq diff var\n");
 		goto done;
 	}

src/modules/dialog/dlg_var.c

@@ -378,6 +378,18 @@ int set_dlg_variable(struct dlg_cell *dlg, str *key, str *val)
     return ret;
 }
 
+int set_dlg_variable_uintval(struct dlg_cell *dlg, str *key, unsigned int uval)
+{
+	str sval = STR_NULL;
+
+	sval.s = int2str(uval, &sval.len);
+	if(sval.s==NULL) {
+		return -1;
+	}
+
+	return set_dlg_variable(dlg, key, &sval);
+}
+
 int pv_get_dlg_variable(struct sip_msg *msg, pv_param_t *param, pv_value_t *res)
 {
 	dlg_cell_t *dlg;

src/modules/dialog/dlg_var.h

@@ -63,6 +63,7 @@ str* get_dlg_variable(dlg_cell_t *dlg, str *key);
 int set_dlg_variable(dlg_cell_t *dlg, str *key, str *val);
 
 int get_dlg_variable_uintval(struct dlg_cell *dlg, str *key, unsigned int *uval);
+int set_dlg_variable_uintval(struct dlg_cell *dlg, str *key, unsigned int uval);
 
 int pv_parse_dialog_var_name(pv_spec_p sp, str *in);