add C wrapper for libmetrics

c_metrics_library.h

Index: c_metrics_library.h
diff --git a/c_metrics_library.h b/c_metrics_library.h
new file mode 100644
index 0000000000000000000000000000000000000000..6d1e6f907f7f41a8c6de6200a612151d1a152896
--- /dev/null
+++ b/c_metrics_library.h
@@ -0,0 +1,33 @@
+// Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef C_METRICS_LIBRARY_H_
+#define C_METRICS_LIBRARY_H_
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+typedef struct CMetricsLibraryOpaque* CMetricsLibrary;
+
+// C wrapper for MetricsLibrary::MetricsLibrary.
+CMetricsLibrary CMetricsLibraryNew(void);

[petkov, 2010/06/17 21:00:32]

Do you need the "void" here?

+
+// C wrapper for MetricsLibrary::~MetricsLibrary.
+void CMetricsLibraryDelete(CMetricsLibrary handle);
+
+// C wrapper for MetricsLibrary::Init.
+void CMetricsLibraryInit(CMetricsLibrary handle);
+
+// C wrapper for MetricsLibrary::SendToUMA.
+int CMetricsLibrarySendToUMA(CMetricsLibrary handle,
+			     const char* name, int sample,
+			     int min, int max, int nbuckets);
+
+// C wrapper for MetricsLibrary::SendEnumToUMA.
+int CMetricsLibrarySendEnumToUMA(CMetricsLibrary handle,
+				 const char* name, int sample, int max);
+#if defined(__cplusplus)
+}
+#endif
+#endif	// C_METRICS_LIBRARY_H_