From 02aeca02db90295a2f6e21fd0438cd2748e9426b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Kijewski?= <rene.kijewski@fu-berlin.de>
Date: Tue, 6 May 2014 20:45:29 +0200
Subject: [PATCH] ringbuffer: add static initializer
---
sys/include/ringbuffer.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/sys/include/ringbuffer.h b/sys/include/ringbuffer.h
index ad463c478a..5819f2a15f 100644
--- a/sys/include/ringbuffer.h
+++ b/sys/include/ringbuffer.h
@@ -30,6 +30,15 @@ typedef struct ringbuffer {
unsigned int avail; /**< Number of elements available for reading. */
} ringbuffer_t;
+/**
+ * @def RINGBUFFER_INIT(BUF)
+ * @brief Initialize a ringbuffer.
+ * @details This macro is meant for static ringbuffers.
+ * @param[in] BUF Buffer to use for the ringbuffer. The size is deduced through `sizeof (BUF)`.
+ * @returns The static initializer.
+ */
+#define RINGBUFFER_INIT(BUF) { (BUF), sizeof (BUF), 0, 0 }
+
/**
* @brief Initialize a ringbuffer.
* @param[out] rb Datum to initialize.
--
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