system_profile_SUITE_data/echo_drv.c: Conform to updated driver API

While at it, also eliminate all compiler warnings. Also remove
the control callback since it is not actually used.

1 files changed, 17 insertions, 13 deletions

diff --git a/erts/emulator/test/system_profile_SUITE_data/echo_drv.c b/erts/emulator/test/system_profile_SUITE_data/echo_drv.c
index d968ff06f9..e0b6ff804c 100644
--- a/erts/emulator/test/system_profile_SUITE_data/echo_drv.c
+++ b/erts/emulator/test/system_profile_SUITE_data/echo_drv.c
@@ -9,11 +9,9 @@ static EchoDrvData echo_drv_data, *echo_drv_data_p;
 
 static EchoDrvData *echo_drv_start(ErlDrvPort port, char *command);
 static void         echo_drv_stop(EchoDrvData *data_p);
-static void         echo_drv_output(EchoDrvData *data_p, char *buf, int len);
+static void         echo_drv_output(ErlDrvData drv_data, char *buf,
+				    ErlDrvSizeT len);
 static void         echo_drv_finish(void);
-static int          echo_drv_control(EchoDrvData *data_p, unsigned int command,
-				     char *buf, int len,
-				     char **rbuf, int rlen);
 
 static ErlDrvEntry echo_drv_entry = { 
     NULL, /* init */
@@ -25,10 +23,21 @@ static ErlDrvEntry echo_drv_entry = {
     "echo_drv",
     echo_drv_finish,
     NULL, /* handle */
-    echo_drv_control,
+    NULL, /* control */
     NULL, /* timeout */
     NULL, /* outputv */
-    NULL  /* ready_async */
+    NULL,  /* ready_async */
+    NULL,
+    NULL,
+    NULL,
+    ERL_DRV_EXTENDED_MARKER,
+    ERL_DRV_EXTENDED_MAJOR_VERSION,
+    ERL_DRV_EXTENDED_MINOR_VERSION,
+    0,
+    NULL,
+    NULL,
+    NULL
+
 };
 
 DRIVER_INIT(echo_drv)
@@ -51,16 +60,11 @@ static void echo_drv_stop(EchoDrvData *data_p) {
     echo_drv_data_p = NULL;
 }
 
-static void echo_drv_output(EchoDrvData *data_p, char *buf, int len) {
+static void echo_drv_output(ErlDrvData drv_data, char *buf, ErlDrvSizeT len) {
+    EchoDrvData* data_p = (EchoDrvData *) drv_data;
     driver_output(data_p->erlang_port, buf, len);
 }
 
 static void echo_drv_finish() {
     echo_drv_data_p = NULL;
 }
-
-static int echo_drv_control(EchoDrvData *data_p, unsigned int command,
-			    char *buf, int len,
-			    char **rbuf, int rlen) {
-    return 0;
-}