Latest update.

apps/lib/columns.c

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2017-2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <string.h>
+#include "apps.h"
+#include "function.h"
+
+void calculate_columns(FUNCTION *functions, DISPLAY_COLUMNS *dc)
+{
+    FUNCTION *f;
+    int len, maxlen = 0;
+
+    for (f = functions; f->name != NULL; ++f)
+        if (f->type == FT_general || f->type == FT_md || f->type == FT_cipher)
+            if ((len = strlen(f->name)) > maxlen)
+                maxlen = len;
+
+    dc->width = maxlen + 2;
+    dc->columns = (80 - 1) / dc->width;
+}
+