std_serial_dev_acquisition_stop(): Drop unneeded parameter.

[libsigrok.git] / src / std.c

diff --git a/src/std.c b/src/std.c
index 05133a2f2fe315a9c5018a522c64b44068e8b712..d741c80928a62f0a549d5efbe9305f7a69a33454 100644 (file)
--- a/src/std.c
+++ b/src/std.c
@@ -23,6 +23,7 @@
   * @internal
   */
 
+#include <config.h>
 #include <glib.h>
 #include <libsigrok/libsigrok.h>
 #include "libsigrok-internal.h"
@@ -104,6 +105,38 @@ SR_PRIV int std_session_send_df_header(const struct sr_dev_inst *sdi,
        return SR_OK;
 }
 
+/**
+ * Standard API helper for sending an SR_DF_END packet.
+ *
+ * @param sdi The device instance to use. Must not be NULL.
+ * @param prefix A driver-specific prefix string used for log messages.
+ *              Must not be NULL. An empty string is allowed.
+ *
+ * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, or
+ *         SR_ERR upon other errors.
+ */
+SR_PRIV int std_session_send_df_end(const struct sr_dev_inst *sdi,
+                                   const char *prefix)
+{
+       int ret;
+       struct sr_datafeed_packet packet;
+
+       if (!sdi || !prefix)
+               return SR_ERR_ARG;
+
+       sr_dbg("%s: Sending SR_DF_END packet.", prefix);
+
+       packet.type = SR_DF_END;
+       packet.payload = NULL;
+
+       if ((ret = sr_session_send(sdi, &packet)) < 0) {
+               sr_err("%s: Failed to send SR_DF_END packet: %d.", prefix, ret);
+               return ret;
+       }
+
+       return SR_OK;
+}
+
 #ifdef HAVE_LIBSERIALPORT
 
 /**
@@ -178,11 +211,10 @@ SR_PRIV int std_serial_dev_close(struct sr_dev_inst *sdi)
  * @retval SR_ERR Other errors.
  */
 SR_PRIV int std_serial_dev_acquisition_stop(struct sr_dev_inst *sdi,
-                       void *cb_data, dev_close_callback dev_close_fn,
+                       dev_close_callback dev_close_fn,
                        struct sr_serial_dev_inst *serial, const char *prefix)
 {
        int ret;
-       struct sr_datafeed_packet packet;
 
        if (!prefix) {
                sr_err("Invalid prefix.");
@@ -206,14 +238,7 @@ SR_PRIV int std_serial_dev_acquisition_stop(struct sr_dev_inst *sdi,
                return ret;
        }
 
-       /* Send SR_DF_END packet to the session bus. */
-       sr_dbg("%s: Sending SR_DF_END packet.", prefix);
-       packet.type = SR_DF_END;
-       packet.payload = NULL;
-       if ((ret = sr_session_send(cb_data, &packet)) < 0) {
-               sr_err("%s: Failed to send SR_DF_END packet: %d.", prefix, ret);
-               return ret;
-       }
+       std_session_send_df_end(sdi, prefix);
 
        return SR_OK;
 }