ringbuf: Add fill_with()

audacious-media-player · Nov 30, 2023 · 8a01eaa · 8a01eaa
1 parent 773b5a6
commit 8a01eaa
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Showing 2 changed files with 19 additions and 0 deletions.
diff --git a/src/libaudcore/ringbuf.h b/src/libaudcore/ringbuf.h
@@ -169,6 +169,15 @@ class RingBuf : private RingBufBase
         return val;
     }
 
+    template<class... Args>
+    void fill_with(Args &&... args)
+    {
+        discard();
+        add(raw(size()));
+        for (int i = 0; i < len(); i++)
+            aud::construct<T>::make(at(raw(i)), std::forward<Args>(args)...);
+    }
+
 private:
     static constexpr int raw(int len) { return len * sizeof(T); }
     static constexpr int cooked(int len) { return len / sizeof(T); }

diff --git a/src/libaudcore/tests/test.cc b/src/libaudcore/tests/test.cc
@@ -479,6 +479,16 @@ static void test_ringbuf()
     ring.discard(5);
     assert(ring.len() == 5);
 
+    ring.fill_with("fill");
+
+    assert(ring.size() == 10);
+    assert(ring.len() == 10);
+    assert(ring.linear() == 10);
+    assert(ring.space() == 0);
+
+    for (int i = 0; i < 10; i++)
+        assert(ring[i] == String("fill"));
+
     ring.discard();
     assert(ring.len() == 0);