kconfig: strip 'CONFIG_' automatically in kernel configuration search

Modify the ncurses configuration tool ('make menuconfig') in a way that the
user can enter the search string (/) both with or without the leading
'CONFIG_'.

This simplifies using copy & paste from .config files because you can
select the whole word.

Signed-off-by: Bernhard Walle <bwalle@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index d0e4fa5..d2c2a42 100644 (file)
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -419,11 +419,13 @@ static void search_conf(void)
 {
        struct symbol **sym_arr;
        struct gstr res;
+       char *dialog_input;
        int dres;
 again:
        dialog_clear();
        dres = dialog_inputbox(_("Search Configuration Parameter"),
-                             _("Enter CONFIG_ (sub)string to search for (omit CONFIG_)"),
+                             _("Enter CONFIG_ (sub)string to search for "
+                               "(with or without \"CONFIG\")"),
                              10, 75, "");
        switch (dres) {
        case 0:
@@ -435,7 +437,12 @@ again:
                return;
        }
 
-       sym_arr = sym_re_search(dialog_input_result);
+       /* strip CONFIG_ if necessary */
+       dialog_input = dialog_input_result;
+       if (strncasecmp(dialog_input_result, "CONFIG_", 7) == 0)
+               dialog_input += 7;
+
+       sym_arr = sym_re_search(dialog_input);
        res = get_relations_str(sym_arr);
        free(sym_arr);
        show_textbox(_("Search Results"), str_get(&res), 0, 0);