On Thu, May 17, 2018 at 03:16:44PM +0900, Masahiro Yamada wrote:
> Now that environments are expanded in the lexer, conf_parse() does
> not need to expand them explicitly.
>
> The hack introduced by commit 0724a7c32a54 ("kconfig: Don't leak
> main menus during parsing") can go away.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
> Reviewed-by: Ulf Magnusson <ulfalizer@xxxxxxxxx>
> ---
>
> Changes in v4: None
> Changes in v3: None
> Changes in v2:
> - Simplify the patch. Just remove the text expansion.
>
> scripts/kconfig/zconf.y | 24 +++++-------------------
> 1 file changed, 5 insertions(+), 19 deletions(-)
>
> diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
> index 3a4a0fa..22e318c 100644
> --- a/scripts/kconfig/zconf.y
> +++ b/scripts/kconfig/zconf.y
> @@ -109,7 +109,7 @@ static struct menu *current_menu, *current_entry;
> %%
> input: nl start | start;
>
> -start: mainmenu_stmt stmt_list | no_mainmenu_stmt stmt_list;
> +start: mainmenu_stmt stmt_list | stmt_list;
>
> /* mainmenu entry */
>
> @@ -118,19 +118,6 @@ mainmenu_stmt: T_MAINMENU prompt nl
> menu_add_prompt(P_MENU, $2, NULL);
> };
>
> -/* Default main menu, if there's no mainmenu entry */
> -
> -no_mainmenu_stmt: /* empty */
> -{
> - /*
> - * Hack: Keep the main menu title on the heap so we can safely free it
> - * later regardless of whether it comes from the 'prompt' in
> - * mainmenu_stmt or here
> - */
> - menu_add_prompt(P_MENU, xstrdup("Linux Kernel Configuration"), NULL);
> -};
> -
> -
> stmt_list:
> /* empty */
> | stmt_list common_stmt
> @@ -528,7 +515,6 @@ word_opt: /* empty */ { $$ = NULL; }
>
> void conf_parse(const char *name)
> {
> - const char *tmp;
> struct symbol *sym;
> int i;
>
> @@ -544,10 +530,10 @@ void conf_parse(const char *name)
> if (!modules_sym)
> modules_sym = sym_find( "n" );
>
> - tmp = rootmenu.prompt->text;
> - rootmenu.prompt->text = _(rootmenu.prompt->text);
> - rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
> - free((char*)tmp);
> + if (!menu_has_prompt(&rootmenu)) {
> + current_entry = &rootmenu;
> + menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL);
Could this be something less specific?
To help the other users of kconfig out is the wild.
For example:
menu_add_prompt(P_MENU, _("Main menu"), NULL);
Note, the added _() to make the text translateable.
Sam
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