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[lttngtop.git] / lib / babeltrace / compat / uuid.h

diff --git a/lib/babeltrace/compat/uuid.h b/lib/babeltrace/compat/uuid.h
new file mode 100644 (file)
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+++ b/lib/babeltrace/compat/uuid.h
@@ -0,0 +1,137 @@
+#ifndef _BABELTRACE_COMPAT_UUID_H
+#define _BABELTRACE_COMPAT_UUID_H
+
+/*
+ * babeltrace/compat/uuid.h
+ *
+ * Copyright (C) 2011   Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#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
+int babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out)
+{
+       uuid_unparse(uuid_in, str_out);
+       return 0;
+}
+
+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>
+#include <string.h>
+#include <stdlib.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
+int babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out)
+{
+       uint32_t status;
+       char *alloc_str;
+       int ret;
+
+       uuid_to_string((uuid_t *) uuid_in, &alloc_str, &status);
+       if (status == uuid_s_ok) {
+               strcpy(str_out, alloc_str);
+               ret = 0;
+       } else {
+               ret = -1;
+       }
+       free(alloc_str);
+       return ret;
+}
+
+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;
+}
+
+#elif defined(__MINGW32__)
+
+int babeltrace_uuid_generate(unsigned char *uuid_out);
+int babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out);
+int babeltrace_uuid_parse(const char *str_in, unsigned char *uuid_out);
+int babeltrace_uuid_compare(const unsigned char *uuid_a,
+               const unsigned char *uuid_b);
+
+#else
+#error "Babeltrace needs to have a UUID generator configured."
+#endif
+
+#endif /* _BABELTRACE_COMPAT_UUID_H */