pico_util: missing extern C in queue.h (#249)

raspberrypi · Mar 15, 2021 · 8b8611d · 8b8611d
1 parent de8beac
commit 8b8611d
Showing 1 changed file with 10 additions and 3 deletions.
diff --git a/src/common/pico_util/include/pico/util/queue.h b/src/common/pico_util/include/pico/util/queue.h
@@ -18,6 +18,10 @@
  * \ingroup pico_util
  */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct {
     spin_lock_t *lock;
     uint8_t *data;
@@ -67,11 +71,11 @@ void queue_free(queue_t *q);
  * spin lock is not externally locked
  */
 static inline uint queue_get_level_unsafe(queue_t *q) {
-    int32_t rc = (int32_t)q->wptr - (int32_t)q->rptr;
+    int32_t rc = (int32_t) q->wptr - (int32_t) q->rptr;
     if (rc < 0) {
-        rc += + q->element_count + 1;
+        rc += +q->element_count + 1;
     }
-    return (uint)rc;
+    return (uint) rc;
 }
 
 /*! \brief Check of level of the specified queue.
@@ -181,4 +185,7 @@ void queue_remove_blocking(queue_t *q, void *data);
  */
 void queue_peek_blocking(queue_t *q, void *data);
 
+#ifdef __cplusplus
+}
+#endif
 #endif