1 files changed, 45 insertions, 0 deletions
diff --git a/exim_monitor/em_xs.c b/exim_monitor/em_xs.c
new file mode 100644
index 0000000..b145fb9
--- /dev/null
+++ b/exim_monitor/em_xs.c
@@ -0,0 +1,45 @@
+/*************************************************
+*               Exim Monitor                     *
+*************************************************/
+
+/* Copyright (c) University of Cambridge, 1995 - 2016 */
+/* See the file NOTICE for conditions of use and distribution. */
+
+/* This file contains a number of subroutines that are in effect
+just alternative packaging for calls to various X functions that
+happen to be convenient for this program. */
+
+#include "em_hdr.h"
+
+
+
+/*************************************************
+*                  xs_SetValues                  *
+*************************************************/
+
+/* Unpick a variable-length argument list and set up an
+appropriate call to XtSetValues. To make it reasonably
+efficient, we keep a working Arg structure of length 15;
+the largest call in eximon sets 11 values. The code uses
+malloc/free if more, just in case there is ever a longer
+one that gets overlooked. */
+
+static Arg xs_temparg[15];
+
+void xs_SetValues(Widget w, Cardinal num_args, ...)
+{
+int i;
+va_list ap;
+Arg *aa = (num_args > 15)? (Arg *)malloc(num_args*sizeof(Arg)) : xs_temparg;
+va_start(ap, num_args);
+for (i = 0; i < num_args; i++)
+  {
+  aa[i].name = va_arg(ap, String);
+  aa[i].value = va_arg(ap, XtArgVal);
+  }
+va_end(ap);
+XtSetValues(w, aa, num_args);
+if (num_args > 15) free(aa);
+}
+
+/* End of em_xs.c */