From 736d46e8b3df141a8178c2e57e330a04ff775a35 Mon Sep 17 00:00:00 2001
From: Arrigo Marchiori <ardovm@yahoo.it>
Date: 周五, 14 10月 2016 23:20:50 +0800
Subject: [PATCH] remove a "unused parameter" warning

---
 libscpi/src/minimal.c |   45 ++++++++++++++++++++++-----------------------
 1 files changed, 22 insertions(+), 23 deletions(-)

diff --git a/libscpi/src/minimal.c b/libscpi/src/minimal.c
index f5372ff..83ecec7 100644
--- a/libscpi/src/minimal.c
+++ b/libscpi/src/minimal.c
@@ -2,7 +2,7 @@
  * Copyright (c) 2012-2013 Jan Breuer,
  *
  * All Rights Reserved
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
@@ -11,7 +11,7 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
@@ -28,10 +28,10 @@
 /**
  * @file   scpi_minimal.c
  * @date   Thu Nov 15 10:58:45 UTC 2012
- * 
+ *
  * @brief  SCPI minimal implementation
- * 
- * 
+ *
+ *
  */
 
 
@@ -40,11 +40,12 @@
 #include "scpi/constants.h"
 #include "scpi/error.h"
 #include "scpi/ieee488.h"
+#include "utils_private.h"
 
 /**
  * Command stub function
  * @param context
- * @return 
+ * @return
  */
 scpi_result_t SCPI_Stub(scpi_t * context) {
     (void) context;
@@ -54,7 +55,7 @@
 /**
  * Query command stub function
  * @param context
- * @return 
+ * @return
  */
 scpi_result_t SCPI_StubQ(scpi_t * context) {
     SCPI_ResultInt32(context, 0);
@@ -64,7 +65,7 @@
 /**
  * SYSTem:VERSion?
  * @param context
- * @return 
+ * @return
  */
 scpi_result_t SCPI_SystemVersionQ(scpi_t * context) {
     SCPI_ResultMnemonic(context, SCPI_STD_VERSION_REVISION);
@@ -74,24 +75,22 @@
 /**
  * SYSTem:ERRor[:NEXT]?
  * @param context
- * @return 
+ * @return
  */
 scpi_result_t SCPI_SystemErrorNextQ(scpi_t * context) {
-	scpi_error_t error;
-	SCPI_ErrorPopEx(context, &error);
-	SCPI_ResultError(context, &error);
-	return SCPI_RES_OK;
-    
-	//int16_t err = SCPI_ErrorPop(context);
-    //SCPI_ResultInt32(context, error.error_code);
-    //SCPI_ResultText(context, SCPI_ErrorTranslate(error.error_code));
-    //return SCPI_RES_OK;
+    scpi_error_t error;
+    SCPI_ErrorPop(context, &error);
+    SCPI_ResultError(context, &error);
+#if USE_DEVICE_DEPENDENT_ERROR_INFORMATION
+    SCPIDEFINE_free(&context->error_info_heap, error.device_dependent_info, false);
+#endif
+    return SCPI_RES_OK;
 }
 
 /**
  * SYSTem:ERRor:COUNt?
  * @param context
- * @return 
+ * @return
  */
 scpi_result_t SCPI_SystemErrorCountQ(scpi_t * context) {
     SCPI_ResultInt32(context, SCPI_ErrorCount(context));
@@ -102,7 +101,7 @@
 /**
  * STATus:QUEStionable[:EVENt]?
  * @param context
- * @return 
+ * @return
  */
 scpi_result_t SCPI_StatusQuestionableEventQ(scpi_t * context) {
     /* return value */
@@ -117,7 +116,7 @@
 /**
  * STATus:QUEStionable:ENABle?
  * @param context
- * @return 
+ * @return
  */
 scpi_result_t SCPI_StatusQuestionableEnableQ(scpi_t * context) {
     /* return value */
@@ -129,7 +128,7 @@
 /**
  * STATus:QUEStionable:ENABle
  * @param context
- * @return 
+ * @return
  */
 scpi_result_t SCPI_StatusQuestionableEnable(scpi_t * context) {
     int32_t new_QUESE;
@@ -142,7 +141,7 @@
 /**
  * STATus:PRESet
  * @param context
- * @return 
+ * @return
  */
 scpi_result_t SCPI_StatusPreset(scpi_t * context) {
     /* clear STATUS:... */

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