Rename uuid.h wrapper to lttng-ust-uuid.h

[lttng-ust.git] / liblttng-ust / lttng-ust-uuid.h

diff --git a/liblttng-ust/lttng-ust-uuid.h b/liblttng-ust/lttng-ust-uuid.h
new file mode 100644 (file)
index 0000000..1027acb
--- /dev/null
+++ b/liblttng-ust/lttng-ust-uuid.h
@@ -0,0 +1,54 @@
+#ifndef _LTTNG_UST_UUID_H
+#define _LTTNG_UST_UUID_H
+
+/*
+ * Copyright (C) 2011   Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
+ * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
+ *
+ * Permission is hereby granted to use or copy this program
+ * for any purpose,  provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ */
+
+#include <config.h>
+#include <lttng/ust-events.h> /* For LTTNG_UST_UUID_LEN */
+/*
+ * Includes final \0.
+ */
+#define LTTNG_UST_UUID_STR_LEN         37
+
+#include <uuid/uuid.h>
+
+#ifdef LTTNG_UST_HAVE_LIBUUID
+static inline
+int lttng_ust_uuid_generate(unsigned char *uuid_out)
+{
+       uuid_generate(uuid_out);
+       return 0;
+}
+
+#elif defined(LTTNG_UST_HAVE_LIBC_UUID)
+#include <uuid.h>
+#include <stdint.h>
+
+static inline
+int lttng_ust_uuid_generate(unsigned char *uuid_out)
+{
+       uint32_t status;
+
+       uuid_create(uuid_out, &status);
+       if (status == uuid_s_ok)
+               return 0;
+       else
+               return -1;
+}
+
+#else
+#error "LTTng-UST needs to have a UUID generator configured."
+#endif
+
+#endif /* _LTTNG_UST_UUID_H */