1 files changed, 103 insertions, 0 deletions
diff --git a/lib/erl_interface/test/port_call_SUITE_data/port_call_drv.c b/lib/erl_interface/test/port_call_SUITE_data/port_call_drv.c
new file mode 100644
index 0000000000..80811fb973
--- /dev/null
+++ b/lib/erl_interface/test/port_call_SUITE_data/port_call_drv.c
@@ -0,0 +1,103 @@
+/*
+ * %CopyrightBegin%
+ * 
+ * Copyright Ericsson AB 2001-2009. All Rights Reserved.
+ * 
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ * 
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ * 
+ * %CopyrightEnd%
+ */
+
+#include <stdio.h>
+#include "erl_interface.h"
+#include "erl_driver.h"
+
+static ErlDrvPort my_erlang_port;
+static ErlDrvData echo_start(ErlDrvPort, char *);
+static void from_erlang(ErlDrvData, char*, int);
+static int do_call(ErlDrvData drv_data, unsigned int command, char *buf, 
+		     int len, char **rbuf, int rlen, unsigned *ret_flags);
+static ErlDrvEntry echo_driver_entry = { 
+    NULL,			/* Init */
+    echo_start,
+    NULL,			/* Stop */
+    from_erlang,
+    NULL,			/* Ready input */
+    NULL,			/* Ready output */
+    "port_call_drv",
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    do_call
+};
+
+DRIVER_INIT(echo_drv)
+{
+    return &echo_driver_entry;
+}
+
+static ErlDrvData
+echo_start(ErlDrvPort port, char *buf)
+{
+    return (ErlDrvData) port;
+}
+
+static void
+from_erlang(ErlDrvData data, char *buf, int count)
+{
+    driver_output((ErlDrvPort) data, buf, count);
+}
+
+static int 
+do_call(ErlDrvData drv_data, unsigned int command, char *buf, 
+	  int len, char **rbuf, int rlen, unsigned *ret_flags) 
+{
+    int nlen;
+    ei_x_buff x;
+
+    switch (command) {
+    case 0:
+	*rbuf = buf;
+	*ret_flags |= DRIVER_CALL_KEEP_BUFFER;
+	return len;
+    case 1:
+	ei_x_new(&x);
+	ei_x_format(&x, "{[], a, [], b, c}");
+	nlen = x.index;
+	if (nlen > rlen) {
+	    *rbuf =driver_alloc(nlen);
+	}
+	memcpy(*rbuf,x.buff,nlen);
+	ei_x_free(&x);
+	return nlen;
+    case 2:
+	ei_x_new(&x);
+	ei_x_encode_version(&x);	
+	ei_x_encode_tuple_header(&x,2);
+	ei_x_encode_atom(&x,"return");
+	ei_x_append_buf(&x,buf+1,len-1);
+	nlen = x.index;
+	if (nlen > rlen) {
+	    *rbuf =driver_alloc(nlen);
+	}
+	memcpy(*rbuf,x.buff,nlen);
+	ei_x_free(&x);
+	return nlen;
+    default:
+	return -1;
+    }
+}
+