Create BSD wrapper for uuid

[babeltrace.git] / include / babeltrace / uuid.h

diff --git a/include/babeltrace/uuid.h b/include/babeltrace/uuid.h
new file mode 100644 (file)
index 0000000..dfe1e02
--- /dev/null
+++ b/include/babeltrace/uuid.h
@@ -0,0 +1,109 @@
+#ifndef _BABELTRACE_UUID_H
+#define _BABELTRACE_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>
+
+/* Includes final \0. */
+#define BABELTRACE_UUID_STR_LEN                37
+#define BABELTRACE_UUID_LEN            16
+
+#ifdef BABELTRACE_HAVE_LIBUUID
+#include <uuid/uuid.h>
+
+static inline
+int babeltrace_uuid_generate(unsigned char *uuid_out)
+{
+       uuid_generate(uuid_out);
+       return 0;
+}
+
+static inline
+void babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out)
+{
+       return uuid_unparse(uuid_in, str_out);
+}
+
+static inline
+int babeltrace_uuid_parse(const char *str_in, unsigned char *uuid_out)
+{
+       return uuid_parse(str_in, uuid_out);
+}
+
+static inline
+int babeltrace_uuid_compare(const unsigned char *uuid_a,
+               const unsigned char *uuid_b)
+{
+       return uuid_compare(uuid_a, uuid_b);
+}
+
+#elif defined(BABELTRACE_HAVE_LIBC_UUID)
+#include <uuid.h>
+#include <stdint.h>
+
+static inline
+int babeltrace_uuid_generate(unsigned char *uuid_out)
+{
+       uint32_t status;
+
+       uuid_create((uuid_t *) uuid_out, &status);
+       if (status == uuid_s_ok)
+               return 0;
+       else
+               return -1;
+}
+
+static inline
+void babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out)
+{
+       uint32_t status;
+
+       uuid_to_string((uuid_t *) uuid_in, str_out, &status);
+       if (status == uuid_s_ok)
+               return 0;
+       else
+               return -1;
+}
+
+static inline
+int babeltrace_uuid_parse(const char *str_in, unsigned char *uuid_out)
+{
+       uint32_t status;
+
+       uuid_from_string(str_in, (uuid_t *) uuid_out, &status);
+       if (status == uuid_s_ok)
+               return 0;
+       else
+               return -1;
+}
+
+static inline
+int babeltrace_uuid_compare(const unsigned char *uuid_a,
+               const unsigned char *uuid_b)
+{
+       uint32_t status;
+
+       uuid_compare((uuid_t *) uuid_a, (uuid_t *) uuid_b, &status);
+       if (status == uuid_s_ok)
+               return 0;
+       else
+               return -1;
+}
+
+#else
+#error "Babeltrace needs to have a UUID generator configured."
+#endif
+
+#endif /* _BABELTRACE_UUID_H */