gdb: remove unused parameters in print_doc_of_command, apropos_cmd

I noticed the prefix parameter was unused in print_doc_of_command.  And
when removing it, it becomes unused in apropos_cmd.

Change-Id: Id72980b03fe091b22931e6b85945f412b274ed5e

3 files changed, 9 insertions, 11 deletions

diff --git a/gdb/cli/cli-cmds.c b/gdb/cli/cli-cmds.c
index 0c68089..3b1c6a9 100644
--- a/gdb/cli/cli-cmds.c
+++ b/gdb/cli/cli-cmds.c
@@ -1768,7 +1768,7 @@ apropos_command (const char *arg, int from_tty)
   compiled_regex pattern (arg, REG_ICASE,
 			  _("Error in regular expression"));
 
-  apropos_cmd (gdb_stdout, cmdlist, verbose, pattern, "");
+  apropos_cmd (gdb_stdout, cmdlist, verbose, pattern);
 }
 
 /* The options for the "alias" command.  */
diff --git a/gdb/cli/cli-decode.c b/gdb/cli/cli-decode.c
index 2a4f9b4..948592a 100644
--- a/gdb/cli/cli-decode.c
+++ b/gdb/cli/cli-decode.c
@@ -1637,9 +1637,8 @@ fput_command_names_styled (const cmd_list_element &c,
    otherwise print only one-line help for command C.  */
 
 static void
-print_doc_of_command (const cmd_list_element &c, const char *prefix,
-		      bool verbose, compiled_regex &highlight,
-		      struct ui_file *stream)
+print_doc_of_command (const cmd_list_element &c, bool verbose,
+		      compiled_regex &highlight, struct ui_file *stream)
 {
   /* When printing the full documentation, add a line to separate
      this documentation from the previous command help, in the likely
@@ -1674,7 +1673,7 @@ print_doc_of_command (const cmd_list_element &c, const char *prefix,
 void
 apropos_cmd (struct ui_file *stream,
 	     struct cmd_list_element *commandlist,
-	     bool verbose, compiled_regex &regex, const char *prefix)
+	     bool verbose, compiled_regex &regex)
 {
   struct cmd_list_element *c;
   int returnvalue;
@@ -1698,7 +1697,7 @@ apropos_cmd (struct ui_file *stream,
 	  /* Try to match against the name.  */
 	  returnvalue = regex.search (c->name, name_len, 0, name_len, NULL);
 	  if (returnvalue >= 0)
-	    print_doc_of_command (*c, prefix, verbose, regex, stream);
+	    print_doc_of_command (*c, verbose, regex, stream);
 
 	  /* Try to match against the name of the aliases.  */
 	  for (const cmd_list_element &alias : c->aliases)
@@ -1707,7 +1706,7 @@ apropos_cmd (struct ui_file *stream,
 	      returnvalue = regex.search (alias.name, name_len, 0, name_len, NULL);
 	      if (returnvalue >= 0)
 		{
-		  print_doc_of_command (*c, prefix, verbose, regex, stream);
+		  print_doc_of_command (*c, verbose, regex, stream);
 		  break;
 		}
 	    }
@@ -1718,15 +1717,14 @@ apropos_cmd (struct ui_file *stream,
 
 	  /* Try to match against documentation.  */
 	  if (regex.search (c->doc, doc_len, 0, doc_len, NULL) >= 0)
-	    print_doc_of_command (*c, prefix, verbose, regex, stream);
+	    print_doc_of_command (*c, verbose, regex, stream);
 	}
       /* Check if this command has subcommands.  */
       if (c->is_prefix ())
 	{
 	  /* Recursively call ourselves on the subcommand list,
 	     passing the right prefix in.  */
-	  apropos_cmd (stream, *c->subcommands, verbose, regex,
-		       c->prefixname ().c_str ());
+	  apropos_cmd (stream, *c->subcommands, verbose, regex);
 	}
     }
 }
diff --git a/gdb/cli/cli-decode.h b/gdb/cli/cli-decode.h
index 013ffc8..8fe9325 100644
--- a/gdb/cli/cli-decode.h
+++ b/gdb/cli/cli-decode.h
@@ -283,7 +283,7 @@ private:
 extern void help_cmd (const char *, struct ui_file *);
 
 extern void apropos_cmd (struct ui_file *, struct cmd_list_element *,
-			 bool verbose, compiled_regex &, const char *);
+			 bool verbose, compiled_regex &);
 
 /* Used to mark commands that don't do anything.  If we just leave the
    function field NULL, the command is interpreted as a help topic, or