1 files changed, 74 insertions, 0 deletions
diff --git a/contrib/ncurses/ncurses/trace/trace_tries.c b/contrib/ncurses/ncurses/trace/trace_tries.c
new file mode 100644
index 000000000000..abd5db47a818
--- /dev/null
+++ b/contrib/ncurses/ncurses/trace/trace_tries.c
@@ -0,0 +1,74 @@
+/****************************************************************************
+ * Copyright (c) 1999 Free Software Foundation, Inc.                        *
+ *                                                                          *
+ * 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, distribute with modifications, 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 ABOVE 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.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *  Author: Thomas E. Dickey <dickey@clark.net> 1999                        *
+ ****************************************************************************/
+/*
+ *	trace_tries.c - Tracing/Debugging buffers (keycode tries-trees)
+ */
+
+#include <curses.priv.h>
+
+MODULE_ID("$Id: trace_tries.c,v 1.6 1999/03/06 22:51:07 tom Exp $")
+
+#ifdef TRACE
+static unsigned char *buffer;
+static unsigned len;
+
+static void recur_tries(struct tries *tree, unsigned level)
+{
+	if (level > len)
+		buffer = (unsigned char *)realloc(buffer, len = (level + 1) * 4);
+
+	while (tree != 0) {
+		if ((buffer[level] = tree->ch) == 0)
+			buffer[level] = 128;
+		buffer[level+1] = 0;
+		if (tree->value != 0) {
+			_tracef("%5d: %s (%s)", tree->value, _nc_visbuf((char *)buffer), keyname(tree->value));
+		}
+		if (tree->child)
+			recur_tries(tree->child, level+1);
+		tree = tree->sibling;
+	}
+}
+
+void _nc_trace_tries(struct tries *tree)
+{
+	buffer = typeMalloc(unsigned char, len = 80);
+	_tracef("BEGIN tries %p", tree);
+	recur_tries(tree, 0);
+	_tracef(". . . tries %p", tree);
+	free(buffer);
+}
+#else
+void _nc_trace_tries(struct tries *tree GCC_UNUSED)
+{
+}
+#endif