From: Bastian Dehn <hhaalo@arcor.de>
Date: Sun, 24 Apr 2022 15:56:05 +0000 (+0200)
Subject: add: two flags for ringbuffer
X-Git-Url: https://gitweb.hhaalo.de/?a=commitdiff_plain;h=429ced0c475e3412a2081c1210b0080755c86f35;p=ringbuffer.git

add: two flags for ringbuffer
---

diff --git a/ringbuffer.c b/ringbuffer.c
index e95fc4c..c90bbe2 100644
--- a/ringbuffer.c
+++ b/ringbuffer.c
@@ -4,6 +4,8 @@
 
 void initRingbuffer(ringbuffer *buf, int size)
 {
+	buf->full = false;
+	buf->finish = false;
 	buf->count = 0;
 	buf->tail = 0;
 	buf->head = 0;
@@ -21,6 +23,7 @@ void addValue(ringbuffer *buf, int value)
 {
 	if (buf->count >= buf->max) {
 		buf->count = buf->max;
+		buf->full = true;
 		buf->tail++;
 	}
 
@@ -37,6 +40,8 @@ void addValue(ringbuffer *buf, int value)
 
 int getValue(ringbuffer *buf)
 {
+	if (buf->full)
+		buf->full = false;
 
 	if (buf->tail >= buf->max)
 		buf->tail = 0;
diff --git a/ringbuffer.h b/ringbuffer.h
index f16e67b..39915a1 100644
--- a/ringbuffer.h
+++ b/ringbuffer.h
@@ -1,7 +1,10 @@
 #ifndef RINGBUFFER_H
 #define RINGBUFFER_H
+#include <stdbool.h>
 
 typedef struct {
+	bool full;
+	bool finish;
 	int count;
 	int tail;
 	int head;