From bf7f722d0f42b37a83df91d0a62544c948c4cb66 Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: 周日, 24 4月 2016 20:24:11 +0800
Subject: [PATCH] Extend travis script to test all configurations with device dependent error

---
 libscpi/src/error.c |  123 +++++++++++++++++------------------------
 1 files changed, 51 insertions(+), 72 deletions(-)

diff --git a/libscpi/src/error.c b/libscpi/src/error.c
index 7b17f4c..e07ced3 100644
--- a/libscpi/src/error.c
+++ b/libscpi/src/error.c
@@ -41,6 +41,12 @@
 #include "scpi/error.h"
 #include "fifo_private.h"
 
+#if USE_DEVICE_DEPENDENT_ERROR_INFORMATION
+#define SCPI_ERROR_SETVAL(e, c, i) do { (e)->error_code = (c); (e)->device_dependent_info = (i); } while(0)
+#else
+#define SCPI_ERROR_SETVAL(e, c, i) do { (e)->error_code = (c); } while(0)
+#endif
+
 /**
  * Initialize error queue
  * @param context - scpi context
@@ -82,11 +88,11 @@
  */
 void SCPI_ErrorClear(scpi_t * context) {
 #if USE_DEVICE_DEPENDENT_ERROR_INFORMATION
-	scpi_error_t error;
-	while(fifo_remove(&context->error_queue, &error)){
-		SCPIDEFINE_free(&context->error_info_heap, error.device_dependent_info, false);
-	}
-#endif	
+    scpi_error_t error;
+    while (fifo_remove(&context->error_queue, &error)) {
+        SCPIDEFINE_free(&context->error_info_heap, error.device_dependent_info, false);
+    }
+#endif
     fifo_clear(&context->error_queue);
 
     SCPI_ErrorEmitEmpty(context);
@@ -96,31 +102,16 @@
  * Pop error from queue
  * @param context - scpi context
  * @param error
- * @return 
+ * @return
  */
-scpi_bool_t SCPI_ErrorPopEx(scpi_t * context, scpi_error_t * error) {
-	if(!error) return FALSE;
-	error->error_code = 0;
-	error->device_dependent_info = NULL;
-	fifo_remove(&context->error_queue, error);
-
-	SCPI_ErrorEmitEmpty(context);
-
-	return TRUE;
-}
-/**
- * Pop error from queue
- * @param context - scpi context
- * @return error number
- */
-int16_t SCPI_ErrorPop(scpi_t * context) {
-    int16_t result = 0;
-
-    fifo_remove(&context->error_queue, &result);
+scpi_bool_t SCPI_ErrorPop(scpi_t * context, scpi_error_t * error) {
+    if (!error || !context) return FALSE;
+    SCPI_ERROR_SETVAL(error, 0, NULL);
+    fifo_remove(&context->error_queue, error);
 
     SCPI_ErrorEmitEmpty(context);
 
-    return result;
+    return TRUE;
 }
 
 /**
@@ -137,9 +128,13 @@
 }
 
 static scpi_bool_t SCPI_ErrorAddInternal(scpi_t * context, int16_t err, char * info) {
-    if (!fifo_add(&context->error_queue, err, info)) {
-        fifo_remove_last(&context->error_queue, NULL);
-        fifo_add(&context->error_queue, SCPI_ERROR_QUEUE_OVERFLOW, NULL);
+    scpi_error_t error_value;
+    SCPI_ERROR_SETVAL(&error_value, err, info);
+    if (!fifo_add(&context->error_queue, &error_value)) {
+        fifo_remove_last(&context->error_queue, &error_value);
+        SCPIDEFINE_free(&context->error_info_heap, error_value.device_dependent_info, false);
+        SCPI_ERROR_SETVAL(&error_value, SCPI_ERROR_QUEUE_OVERFLOW, NULL);
+        fifo_add(&context->error_queue, &error_value);
         return FALSE;
     }
     return TRUE;
@@ -148,10 +143,10 @@
 struct error_reg {
     int16_t from;
     int16_t to;
-    scpi_reg_val_t bit;
+    scpi_reg_val_t esrBit;
 };
 
-#define ERROR_DEFS_N	9
+#define ERROR_DEFS_N 9
 
 static const struct error_reg errs[ERROR_DEFS_N] = {
     {-100, -199, ESR_CER}, /* Command error (e.g. syntax error) ch 21.8.9    */
@@ -170,33 +165,35 @@
  * @param context - scpi context
  * @param err - error number
  */
-void SCPI_ErrorPushEx(scpi_t * context, int16_t err, char * info) {
-	int i;
-	char * info_ptr = NULL;
-	
+void SCPI_ErrorPushEx(scpi_t * context, int16_t err, char * info, size_t info_len) {
+    int i;
+    char * info_ptr = NULL;
+
 #if USE_DEVICE_DEPENDENT_ERROR_INFORMATION
-	if (info){
-		info_ptr = SCPIDEFINE_strdup(&context->error_info_heap, info);
-	}
+    if (info) {
+        info_ptr = SCPIDEFINE_strndup(&context->error_info_heap, info, info_len);
+    }
 #endif
 
-	scpi_bool_t queue_overflow = !SCPI_ErrorAddInternal(context, err, info_ptr);
+    scpi_bool_t queue_overflow = !SCPI_ErrorAddInternal(context, err, info_ptr);
 
-	for (i = 0; i < ERROR_DEFS_N; i++) {
-		if ((err <= errs[i].from) && (err >= errs[i].to)) {
-			SCPI_RegSetBits(context, SCPI_REG_ESR, errs[i].bit);
-		}
-	}
+    for (i = 0; i < ERROR_DEFS_N; i++) {
+        if ((err <= errs[i].from) && (err >= errs[i].to)) {
+            SCPI_RegSetBits(context, SCPI_REG_ESR, errs[i].esrBit);
+        }
+    }
 
-	SCPI_ErrorEmit(context, err);
-	if (queue_overflow) {
-		SCPI_ErrorEmit(context, SCPI_ERROR_QUEUE_OVERFLOW);
-		SCPIDEFINE_free(&context->error_info_heap, info_ptr, true);
-	}
+    SCPI_ErrorEmit(context, err);
+    if (queue_overflow) {
+        SCPI_ErrorEmit(context, SCPI_ERROR_QUEUE_OVERFLOW);
+#if USE_DEVICE_DEPENDENT_ERROR_INFORMATION
+        SCPIDEFINE_free(&context->error_info_heap, info_ptr, true);
+#endif
+    }
 
-	if (context) {
-		context->cmd_error = TRUE;
-	}
+    if (context) {
+        context->cmd_error = TRUE;
+    }
 }
 
 /**
@@ -205,26 +202,8 @@
  * @param err - error number
  */
 void SCPI_ErrorPush(scpi_t * context, int16_t err) {
-	SCPI_ErrorPushEx(context, err, NULL);
-	return;
-    //int i;
-//
-    //scpi_bool_t queue_overflow = !SCPI_ErrorAddInternal(context, err, NULL);
-//
-    //for (i = 0; i < ERROR_DEFS_N; i++) {
-        //if ((err <= errs[i].from) && (err >= errs[i].to)) {
-            //SCPI_RegSetBits(context, SCPI_REG_ESR, errs[i].bit);
-        //}
-    //}
-//
-    //SCPI_ErrorEmit(context, err);
-    //if (queue_overflow) {
-        //SCPI_ErrorEmit(context, SCPI_ERROR_QUEUE_OVERFLOW);
-    //}
-//
-    //if (context) {
-        //context->cmd_error = TRUE;
-    //}
+    SCPI_ErrorPushEx(context, err, NULL, 0);
+    return;
 }
 
 /**

--
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