From 41f817fd5b7d3f9adbb9ce47c511d95fd1f7b7b8 Mon Sep 17 00:00:00 2001
From: Imbus <>
Date: Tue, 2 Jul 2024 05:50:59 +0200
Subject: [PATCH] rb_clear initial

---
 ringbuf.c | 8 ++++++++
 ringbuf.h | 7 +++++++
 2 files changed, 15 insertions(+)

diff --git a/ringbuf.c b/ringbuf.c
index 81c87c0..e3c7067 100644
--- a/ringbuf.c
+++ b/ringbuf.c
@@ -45,6 +45,14 @@ rb_destroy(struct RingBuf *rb, void(free)())
   free(rb->buffer);
 }
 
+void
+rb_clear(struct RingBuf *rb)
+{
+  rb->count = 0;
+  rb->write_head = rb->buffer;
+  rb->read_head = rb->buffer;
+}
+
 enum WriteResult
 rb_push_back(struct RingBuf *rb, const void *item, MEMCPY_T memcpy_fn)
 {
diff --git a/ringbuf.h b/ringbuf.h
index 9938c8f..0117887 100644
--- a/ringbuf.h
+++ b/ringbuf.h
@@ -39,6 +39,13 @@ enum ReadResult { Empty, ReadOk };  /** Result of a read */
 void rb_init(struct RingBuf *rb, rb_size_t capacity, ALLOC_T alloc,
              rb_size_t struct_size);
 
+/**
+ * @brief Clear the ring buffer
+ * @details This function will reset the read and write heads to the beginning
+ * of the buffer, and set the count to 0. It will not free the buffer.
+ * @param rb The ring buffer
+ */
+void rb_clear(struct RingBuf *rb);
 
 /**
  * @brief Insert data to the ring buffer