1 files changed, 51 insertions, 0 deletions
diff --git a/iphone/debug.h b/iphone/debug.h
new file mode 100644
index 0000000..8a35b62
--- /dev/null
+++ b/iphone/debug.h
@@ -0,0 +1,51 @@
+//------------------------------------------------------------------------
+//  Copyright 2009 (c) Jeff Brown <spadix@users.sourceforge.net>
+//
+//  This file is part of the ZBar Bar Code Reader.
+//
+//  The ZBar Bar Code Reader is free software; you can redistribute it
+//  and/or modify it under the terms of the GNU Lesser Public License as
+//  published by the Free Software Foundation; either version 2.1 of
+//  the License, or (at your option) any later version.
+//
+//  The ZBar Bar Code Reader 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 Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser Public License
+//  along with the ZBar Bar Code Reader; if not, write to the Free
+//  Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+//  Boston, MA  02110-1301  USA
+//
+//  http://sourceforge.net/projects/zbar
+//------------------------------------------------------------------------
+
+#include <mach/mach_time.h>
+#define xNSSTR(s) @ #s
+#define NSSTR(s)  xNSSTR(s)
+
+#ifdef DEBUG_OBJC
+#ifndef MODULE
+#define MODULE ZBarReaderController
+#endif
+#define zlog(fmt, ...) NSLog(NSSTR(MODULE) @": " fmt, ##__VA_ARGS__)
+
+#define timer_start uint64_t t_start = timer_now();
+
+#else
+#define zlog(...) while (0)
+#define timer_start
+#endif
+
+static inline uint64_t timer_now()
+{
+    return (mach_absolute_time());
+}
+
+static inline double timer_elapsed(uint64_t start, uint64_t end)
+{
+    mach_timebase_info_data_t info;
+    mach_timebase_info(&info);
+    return ((double)(end - start) * info.numer / (info.denom * 1000000000.));
+}