X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fuuid.h;fp=include%2Fbabeltrace%2Fuuid.h;h=dfe1e020646ce6c6b24069813d37a932d399e90f;hp=0000000000000000000000000000000000000000;hb=a4dfa07bd488d4dd77e558ad9e611415441183e7;hpb=300d317acaa3bd38afafe0a440946e6c73e6fd73

diff --git a/include/babeltrace/uuid.h b/include/babeltrace/uuid.h
new file mode 100644
index 00000000..dfe1e020
--- /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 */