X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Fopenssl.c;h=fffa05e1c7a1af719461221afed020b307bd8543;hp=2cb49cbb3551e77da9c8ddb78761b9cbfb3f2bdc;hb=ebc0168384e9bbc29c02b85adb01036609769761;hpb=0488c0bbbe87eee3a800797b91350c653e9f1711

diff --git a/apps/openssl.c b/apps/openssl.c
index 2cb49cbb35..fffa05e1c7 100644
--- a/apps/openssl.c
+++ b/apps/openssl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -27,8 +27,9 @@
 #ifdef OPENSSL_SYS_VMS
 # include <unixio.h>
 #endif
-#define INCLUDE_FUNCTION_TABLE
 #include "apps.h"
+#define INCLUDE_FUNCTION_TABLE
+#include "progs.h"
 
 /* Structure to hold the number of columns to be displayed and the
  * field width used to display them.
@@ -92,6 +93,7 @@ static int apps_startup()
 static void apps_shutdown()
 {
     destroy_ui_method();
+    destroy_prefix_method();
 }
 
 static char *make_config_name()
@@ -442,6 +444,8 @@ typedef enum HELP_CHOICE {
 } HELP_CHOICE;
 
 const OPTIONS help_options[] = {
+    {OPT_HELP_STR, 1, '-', "Usage: help [options]\n"},
+    {OPT_HELP_STR, 1, '-', "       help [command]\n"},
     {"help", OPT_hHELP, '-', "Display this summary"},
     {NULL}
 };
@@ -469,6 +473,14 @@ int help_main(int argc, char **argv)
         }
     }
 
+    if (opt_num_rest() == 1) {
+        char *new_argv[3];
+
+        new_argv[0] = opt_rest()[0];
+        new_argv[1] = "--help";
+        new_argv[2] = NULL;
+        return do_cmd(prog_init(), 2, new_argv);
+    }
     if (opt_num_rest() != 0) {
         BIO_printf(bio_err, "Usage: %s\n", prog);
         return 1;
@@ -787,12 +799,19 @@ static void list_disabled(void)
 
 static LHASH_OF(FUNCTION) *prog_init(void)
 {
-    LHASH_OF(FUNCTION) *ret;
+    static LHASH_OF(FUNCTION) *ret = NULL;
+    static int prog_inited = 0;
     FUNCTION *f;
     size_t i;
 
+    if (prog_inited)
+        return ret;
+
+    prog_inited = 1;
+
     /* Sort alphabetically within category. For nicer help displays. */
-    for (i = 0, f = functions; f->name != NULL; ++f, ++i) ;
+    for (i = 0, f = functions; f->name != NULL; ++f, ++i)
+        ;
     qsort(functions, i, sizeof(*functions), SortFnByName);
 
     if ((ret = lh_FUNCTION_new(function_hash, function_cmp)) == NULL)