From 007889b4128e8656c55ba31404a698e98719c262 Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@mobatime.cz>
Date: 周六, 14 7月 2018 01:57:31 +0800
Subject: [PATCH] Fix license wordings to correspond with BSD-2-Clause

---
 libscpi/src/fifo.c |   43 +++++++++++++++++++++++++++++++++++++------
 1 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/libscpi/src/fifo.c b/libscpi/src/fifo.c
index e81f55e..8cecc4e 100644
--- a/libscpi/src/fifo.c
+++ b/libscpi/src/fifo.c
@@ -1,3 +1,30 @@
+/*-
+ * BSD 2-Clause License
+ *
+ * Copyright (c) 2012-2018, 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:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ * * 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 COPYRIGHT HOLDERS AND CONTRIBUTORS "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
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
 
 #include "fifo_private.h"
 
@@ -5,7 +32,7 @@
  * Initialize fifo
  * @param fifo
  */
-void fifo_init(scpi_fifo_t * fifo, int16_t * data, int16_t size) {
+void fifo_init(scpi_fifo_t * fifo, scpi_error_t * data, int16_t size) {
     fifo->wr = 0;
     fifo->rd = 0;
     fifo->count = 0;
@@ -44,16 +71,20 @@
 /**
  * Add element to fifo. If fifo is full, return FALSE.
  * @param fifo
- * @param value
+ * @param err
+ * @param info
  * @return
  */
-scpi_bool_t fifo_add(scpi_fifo_t * fifo, int16_t value) {
+scpi_bool_t fifo_add(scpi_fifo_t * fifo, const scpi_error_t * value) {
     /* FIFO full? */
     if (fifo_is_full(fifo)) {
         return FALSE;
     }
+    if (!value) {
+        return FALSE;
+    }
 
-    fifo->data[fifo->wr] = value;
+    fifo->data[fifo->wr] = *value;
     fifo->wr = (fifo->wr + 1) % (fifo->size);
     fifo->count += 1;
     return TRUE;
@@ -65,7 +96,7 @@
  * @param value
  * @return FALSE - fifo is empty
  */
-scpi_bool_t fifo_remove(scpi_fifo_t * fifo, int16_t * value) {
+scpi_bool_t fifo_remove(scpi_fifo_t * fifo, scpi_error_t * value) {
     /* FIFO empty? */
     if (fifo_is_empty(fifo)) {
         return FALSE;
@@ -87,7 +118,7 @@
  * @param value
  * @return FALSE - fifo is empty
  */
-scpi_bool_t fifo_remove_last(scpi_fifo_t * fifo, int16_t * value) {
+scpi_bool_t fifo_remove_last(scpi_fifo_t * fifo, scpi_error_t * value) {
     /* FIFO empty? */
     if (fifo_is_empty(fifo)) {
         return FALSE;

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