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-rw-r--r--ac3dec/debug.c58
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diff --git a/ac3dec/debug.c b/ac3dec/debug.c
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+/*
+ *
+ * debug.c
+ *
+ * Copyright (C) Aaron Holtzman - May 1999
+ *
+ * This file is part of ac3dec, a free Dolby AC-3 stream decoder.
+ *
+ * ac3dec is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * ac3dec 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Make; see the file COPYING. If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdlib.h>
+#include "debug.h"
+
+static int debug_level = -1;
+
+// Determine is debug output is required.
+// We could potentially have multiple levels of debug info
+int debug_is_on(void)
+{
+ char *env_var;
+
+ if(debug_level < 0)
+ {
+ env_var = getenv("AC3_DEBUG");
+
+ if (env_var)
+ {
+ debug_level = 1;
+ }
+ else
+ debug_level = 0;
+ }
+
+ return debug_level;
+}
+
+//If you don't have gcc, then ya don't get debug output
+#ifndef __GNUC__
+void dprintf(char fmt[],...)
+{
+ int foo = 0;
+}
+#endif
+