1 files changed, 44 insertions, 0 deletions
diff --git a/apps/include/function.h b/apps/include/function.h
new file mode 100644
index 000000000000..14e8dd388670
--- /dev/null
+++ b/apps/include/function.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2019-2020 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
+ */
+
+#ifndef OSSL_APPS_FUNCTION_H
+# define OSSL_APPS_FUNCTION_H
+
+# include <openssl/lhash.h>
+# include "opt.h"
+
+#define DEPRECATED_NO_ALTERNATIVE   "unknown"
+
+typedef enum FUNC_TYPE {
+    FT_none, FT_general, FT_md, FT_cipher, FT_pkey,
+    FT_md_alg, FT_cipher_alg
+} FUNC_TYPE;
+
+typedef struct function_st {
+    FUNC_TYPE type;
+    const char *name;
+    int (*func)(int argc, char *argv[]);
+    const OPTIONS *help;
+    const char *deprecated_alternative;
+    const char *deprecated_version;
+} FUNCTION;
+
+DEFINE_LHASH_OF(FUNCTION);
+
+/* Structure to hold the number of columns to be displayed and the
+ * field width used to display them.
+ */
+typedef struct {
+    int columns;
+    int width;
+} DISPLAY_COLUMNS;
+
+void calculate_columns(FUNCTION *functions, DISPLAY_COLUMNS *dc);
+
+#endif