move lttv to root

[lttv.git] / ltt / ltt-types.h

diff --git a/ltt/ltt-types.h b/ltt/ltt-types.h
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+/* This file is part of the Linux Trace Toolkit viewer
+ * Copyright (C) 2004-2005 Mathieu Desnoyers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License Version 2.1 as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef LTT_TYPES_H
+#define LTT_TYPES_H
+
+/* Set of functions to access the types portably, given the trace as parameter.
+ * */
+
+#include <ltt/ltt.h>
+#include <glib.h>
+#include <ltt/time.h>
+
+
+/*****************************************************************************
+ *Function name
+ *    ltt_get_int64        : get a 64 bits integer number
+ *Input params 
+ *    ptr                  : pointer to the integer
+ *Return value
+ *    gint64               : a 64 bits integer
+ *
+ * Takes care of endianness
+ *
+ ****************************************************************************/
+
+static inline gint64 ltt_get_int64(gboolean reverse_byte_order, void *ptr)
+{
+  guint64 value = *(guint64*)ptr;
+  return (gint64) (reverse_byte_order ? GUINT64_SWAP_LE_BE(value): value);
+}
+
+
+static inline guint64 ltt_get_uint64(gboolean reverse_byte_order, void *ptr)
+{
+  guint64 value = *(guint64*)ptr;
+  return (guint64) (reverse_byte_order ? GUINT64_SWAP_LE_BE(value): value);
+}
+
+static inline gint32 ltt_get_int32(gboolean reverse_byte_order, void *ptr)
+{
+  guint32 value = *(guint32*)ptr;
+  return (gint32) (reverse_byte_order ? GUINT32_SWAP_LE_BE(value): value);
+}
+
+static inline guint32 ltt_get_uint32(gboolean reverse_byte_order, void *ptr)
+{
+  guint32 value = *(guint32*)ptr;
+  return (guint32) (reverse_byte_order ? GUINT32_SWAP_LE_BE(value): value);
+}
+
+static inline gint16 ltt_get_int16(gboolean reverse_byte_order, void *ptr)
+{
+  guint16 value = *(guint16*)ptr;
+  return (gint16) (reverse_byte_order ? GUINT16_SWAP_LE_BE(value): value);
+}
+
+static inline guint16 ltt_get_uint16(gboolean reverse_byte_order, void *ptr)
+{
+  guint16 value = *(guint16*)ptr;
+  return (guint16) (reverse_byte_order ? GUINT16_SWAP_LE_BE(value): value);
+}
+
+static inline LttTime ltt_get_time(gboolean reverse_byte_order, void *ptr)
+{
+  LttTime output;
+
+  output.tv_sec = ltt_get_uint32(reverse_byte_order, ptr);
+  ptr += sizeof(guint32);
+  output.tv_nsec = ltt_get_uint32(reverse_byte_order, ptr);
+
+  return output;
+}
+
+#endif // LTT_TYPES_H