1 files changed, 80 insertions, 0 deletions
diff --git a/contrib/ncurses/ncurses/trace/trace_buf.c b/contrib/ncurses/ncurses/trace/trace_buf.c
new file mode 100644
index 000000000000..48f93d43d1ef
--- /dev/null
+++ b/contrib/ncurses/ncurses/trace/trace_buf.c
@@ -0,0 +1,80 @@
+/****************************************************************************
+ * Copyright (c) 1998 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> 1997                        *
+ ****************************************************************************/
+/*
+ *	trace_buf.c - Tracing/Debugging buffers (attributes)
+ */
+
+#include <curses.priv.h>
+
+MODULE_ID("$Id: trace_buf.c,v 1.7 1999/02/27 19:50:58 tom Exp $")
+
+typedef struct {
+	char *text;
+	size_t size;
+} LIST;
+
+char * _nc_trace_buf(int bufnum, size_t want)
+{
+	static LIST *list;
+	static size_t have;
+
+#if NO_LEAKS
+	if (bufnum < 0) {
+		if (have) {
+			while (have--) {
+				free(list[have].text);
+			}
+			free(list);
+		}
+		return 0;
+	}
+#endif
+
+	if ((size_t)(bufnum+1) > have) {
+		size_t need = (bufnum + 1) * 2;
+		if ((list = typeRealloc(LIST, need, list)) == 0)
+			return(0);
+		while (need > have)
+			list[have++].text = 0;
+	}
+
+	if (list[bufnum].text == 0
+	 || want > list[bufnum].size)
+	{
+		if ((list[bufnum].text = typeRealloc(char, want, list[bufnum].text)) != 0)
+			list[bufnum].size = want;
+	}
+
+	if (list[bufnum].text != 0)
+		*(list[bufnum].text) = '\0';
+	return list[bufnum].text;
+}