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Message-Id: <20230325151817.2651544-3-masahiroy@kernel.org>
Date: Sun, 26 Mar 2023 00:18:17 +0900
From: Masahiro Yamada <masahiroy@...nel.org>
To: linux-kbuild@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
Masahiro Yamada <masahiroy@...nel.org>
Subject: [PATCH 3/3] kconfig: menuconfig: reorder functions to remove forward declarations
Define helper functions before the callers so that forward
declarations can go away.
Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---
scripts/kconfig/lxdialog/textbox.c | 258 ++++++++++++------------
scripts/kconfig/mconf.c | 314 ++++++++++++++---------------
2 files changed, 277 insertions(+), 295 deletions(-)
diff --git a/scripts/kconfig/lxdialog/textbox.c b/scripts/kconfig/lxdialog/textbox.c
index 4a6ff9de45b9..bc4d4fb1dc75 100644
--- a/scripts/kconfig/lxdialog/textbox.c
+++ b/scripts/kconfig/lxdialog/textbox.c
@@ -8,18 +8,136 @@
#include "dialog.h"
-static void back_lines(int n);
-static void print_page(WINDOW *win, int height, int width, update_text_fn
- update_text, void *data);
-static void print_line(WINDOW *win, int row, int width);
-static char *get_line(void);
-static void print_position(WINDOW * win);
-
static int hscroll;
static int begin_reached, end_reached, page_length;
static char *buf;
static char *page;
+/*
+ * Go back 'n' lines in text. Called by dialog_textbox().
+ * 'page' will be updated to point to the desired line in 'buf'.
+ */
+static void back_lines(int n)
+{
+ int i;
+
+ begin_reached = 0;
+ /* Go back 'n' lines */
+ for (i = 0; i < n; i++) {
+ if (*page == '\0') {
+ if (end_reached) {
+ end_reached = 0;
+ continue;
+ }
+ }
+ if (page == buf) {
+ begin_reached = 1;
+ return;
+ }
+ page--;
+ do {
+ if (page == buf) {
+ begin_reached = 1;
+ return;
+ }
+ page--;
+ } while (*page != '\n');
+ page++;
+ }
+}
+
+/*
+ * Return current line of text. Called by dialog_textbox() and print_line().
+ * 'page' should point to start of current line before calling, and will be
+ * updated to point to start of next line.
+ */
+static char *get_line(void)
+{
+ int i = 0;
+ static char line[MAX_LEN + 1];
+
+ end_reached = 0;
+ while (*page != '\n') {
+ if (*page == '\0') {
+ end_reached = 1;
+ break;
+ } else if (i < MAX_LEN)
+ line[i++] = *(page++);
+ else {
+ /* Truncate lines longer than MAX_LEN characters */
+ if (i == MAX_LEN)
+ line[i++] = '\0';
+ page++;
+ }
+ }
+ if (i <= MAX_LEN)
+ line[i] = '\0';
+ if (!end_reached)
+ page++; /* move past '\n' */
+
+ return line;
+}
+
+/*
+ * Print a new line of text.
+ */
+static void print_line(WINDOW *win, int row, int width)
+{
+ char *line;
+
+ line = get_line();
+ line += MIN(strlen(line), hscroll); /* Scroll horizontally */
+ wmove(win, row, 0); /* move cursor to correct line */
+ waddch(win, ' ');
+ waddnstr(win, line, MIN(strlen(line), width - 2));
+
+ /* Clear 'residue' of previous line */
+ wclrtoeol(win);
+}
+
+/*
+ * Print a new page of text.
+ */
+static void print_page(WINDOW *win, int height, int width, update_text_fn
+ update_text, void *data)
+{
+ int i, passed_end = 0;
+
+ if (update_text) {
+ char *end;
+
+ for (i = 0; i < height; i++)
+ get_line();
+ end = page;
+ back_lines(height);
+ update_text(buf, page - buf, end - buf, data);
+ }
+
+ page_length = 0;
+ for (i = 0; i < height; i++) {
+ print_line(win, i, width);
+ if (!passed_end)
+ page_length++;
+ if (end_reached && !passed_end)
+ passed_end = 1;
+ }
+ wnoutrefresh(win);
+}
+
+/*
+ * Print current position
+ */
+static void print_position(WINDOW *win)
+{
+ int percent;
+
+ wattrset(win, dlg.position_indicator.atr);
+ wbkgdset(win, dlg.position_indicator.atr & A_COLOR);
+ percent = (page - buf) * 100 / strlen(buf);
+ wmove(win, getmaxy(win) - 3, getmaxx(win) - 9);
+ wprintw(win, "(%3d%%)", percent);
+}
+
/*
* refresh window content
*/
@@ -33,7 +151,6 @@ static void refresh_text_box(WINDOW *dialog, WINDOW *box, int boxh, int boxw,
wrefresh(dialog);
}
-
/*
* Display text from a file in a dialog box.
*
@@ -259,128 +376,3 @@ int dialog_textbox(const char *title, char *tbuf, int initial_height,
*_hscroll = hscroll;
return key;
}
-
-/*
- * Go back 'n' lines in text. Called by dialog_textbox().
- * 'page' will be updated to point to the desired line in 'buf'.
- */
-static void back_lines(int n)
-{
- int i;
-
- begin_reached = 0;
- /* Go back 'n' lines */
- for (i = 0; i < n; i++) {
- if (*page == '\0') {
- if (end_reached) {
- end_reached = 0;
- continue;
- }
- }
- if (page == buf) {
- begin_reached = 1;
- return;
- }
- page--;
- do {
- if (page == buf) {
- begin_reached = 1;
- return;
- }
- page--;
- } while (*page != '\n');
- page++;
- }
-}
-
-/*
- * Print a new page of text.
- */
-static void print_page(WINDOW *win, int height, int width, update_text_fn
- update_text, void *data)
-{
- int i, passed_end = 0;
-
- if (update_text) {
- char *end;
-
- for (i = 0; i < height; i++)
- get_line();
- end = page;
- back_lines(height);
- update_text(buf, page - buf, end - buf, data);
- }
-
- page_length = 0;
- for (i = 0; i < height; i++) {
- print_line(win, i, width);
- if (!passed_end)
- page_length++;
- if (end_reached && !passed_end)
- passed_end = 1;
- }
- wnoutrefresh(win);
-}
-
-/*
- * Print a new line of text.
- */
-static void print_line(WINDOW * win, int row, int width)
-{
- char *line;
-
- line = get_line();
- line += MIN(strlen(line), hscroll); /* Scroll horizontally */
- wmove(win, row, 0); /* move cursor to correct line */
- waddch(win, ' ');
- waddnstr(win, line, MIN(strlen(line), width - 2));
-
- /* Clear 'residue' of previous line */
- wclrtoeol(win);
-}
-
-/*
- * Return current line of text. Called by dialog_textbox() and print_line().
- * 'page' should point to start of current line before calling, and will be
- * updated to point to start of next line.
- */
-static char *get_line(void)
-{
- int i = 0;
- static char line[MAX_LEN + 1];
-
- end_reached = 0;
- while (*page != '\n') {
- if (*page == '\0') {
- end_reached = 1;
- break;
- } else if (i < MAX_LEN)
- line[i++] = *(page++);
- else {
- /* Truncate lines longer than MAX_LEN characters */
- if (i == MAX_LEN)
- line[i++] = '\0';
- page++;
- }
- }
- if (i <= MAX_LEN)
- line[i] = '\0';
- if (!end_reached)
- page++; /* move past '\n' */
-
- return line;
-}
-
-/*
- * Print current position
- */
-static void print_position(WINDOW * win)
-{
- int percent;
-
- wattrset(win, dlg.position_indicator.atr);
- wbkgdset(win, dlg.position_indicator.atr & A_COLOR);
- percent = (page - buf) * 100 / strlen(buf);
- wmove(win, getmaxy(win) - 3, getmaxx(win) - 9);
- wprintw(win, "(%3d%%)", percent);
-}
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index e67e0db50b2e..53d8834d12fe 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -290,16 +290,6 @@ static int save_and_exit;
static int silent;
static void conf(struct menu *menu, struct menu *active_menu);
-static void conf_choice(struct menu *menu);
-static void conf_string(struct menu *menu);
-static void conf_load(void);
-static void conf_save(void);
-static int show_textbox_ext(const char *title, char *text, int r, int c,
- int *keys, int *vscroll, int *hscroll,
- update_text_fn update_text, void *data);
-static void show_textbox(const char *title, const char *text, int r, int c);
-static void show_helptext(const char *title, const char *text);
-static void show_help(struct menu *menu);
static char filename[PATH_MAX+1];
static void set_config_filename(const char *config_filename)
@@ -358,6 +348,37 @@ static void reset_subtitle(void)
set_dialog_subtitles(subtitles);
}
+static int show_textbox_ext(const char *title, char *text, int r, int c, int
+ *keys, int *vscroll, int *hscroll, update_text_fn
+ update_text, void *data)
+{
+ dialog_clear();
+ return dialog_textbox(title, text, r, c, keys, vscroll, hscroll,
+ update_text, data);
+}
+
+static void show_textbox(const char *title, const char *text, int r, int c)
+{
+ show_textbox_ext(title, (char *) text, r, c, (int []) {0}, NULL, NULL,
+ NULL, NULL);
+}
+
+static void show_helptext(const char *title, const char *text)
+{
+ show_textbox(title, text, 0, 0);
+}
+
+static void show_help(struct menu *menu)
+{
+ struct gstr help = str_new();
+
+ help.max_width = getmaxx(stdscr) - 10;
+ menu_get_ext_help(menu, &help);
+
+ show_helptext(menu_get_prompt(menu), str_get(&help));
+ str_free(&help);
+}
+
struct search_data {
struct list_head *head;
struct menu **targets;
@@ -643,158 +664,6 @@ static void build_conf(struct menu *menu)
indent -= doint;
}
-static void conf(struct menu *menu, struct menu *active_menu)
-{
- struct menu *submenu;
- const char *prompt = menu_get_prompt(menu);
- struct subtitle_part stpart;
- struct symbol *sym;
- int res;
- int s_scroll = 0;
-
- if (menu != &rootmenu)
- stpart.text = menu_get_prompt(menu);
- else
- stpart.text = NULL;
- list_add_tail(&stpart.entries, &trail);
-
- while (1) {
- item_reset();
- current_menu = menu;
- build_conf(menu);
- if (!child_count)
- break;
- set_subtitle();
- dialog_clear();
- res = dialog_menu(prompt ? prompt : "Main Menu",
- menu_instructions,
- active_menu, &s_scroll);
- if (res == 1 || res == KEY_ESC || res == -ERRDISPLAYTOOSMALL)
- break;
- if (item_count() != 0) {
- if (!item_activate_selected())
- continue;
- if (!item_tag())
- continue;
- }
- submenu = item_data();
- active_menu = item_data();
- if (submenu)
- sym = submenu->sym;
- else
- sym = NULL;
-
- switch (res) {
- case 0:
- switch (item_tag()) {
- case 'm':
- if (single_menu_mode)
- submenu->data = (void *) (long) !submenu->data;
- else
- conf(submenu, NULL);
- break;
- case 't':
- if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)
- conf_choice(submenu);
- else if (submenu->prompt->type == P_MENU)
- conf(submenu, NULL);
- break;
- case 's':
- conf_string(submenu);
- break;
- }
- break;
- case 2:
- if (sym)
- show_help(submenu);
- else {
- reset_subtitle();
- show_helptext("README", mconf_readme);
- }
- break;
- case 3:
- reset_subtitle();
- conf_save();
- break;
- case 4:
- reset_subtitle();
- conf_load();
- break;
- case 5:
- if (item_is_tag('t')) {
- if (sym_set_tristate_value(sym, yes))
- break;
- if (sym_set_tristate_value(sym, mod))
- show_textbox(NULL, setmod_text, 6, 74);
- }
- break;
- case 6:
- if (item_is_tag('t'))
- sym_set_tristate_value(sym, no);
- break;
- case 7:
- if (item_is_tag('t'))
- sym_set_tristate_value(sym, mod);
- break;
- case 8:
- if (item_is_tag('t'))
- sym_toggle_tristate_value(sym);
- else if (item_is_tag('m'))
- conf(submenu, NULL);
- break;
- case 9:
- search_conf();
- break;
- case 10:
- show_all_options = !show_all_options;
- break;
- }
- }
-
- list_del(trail.prev);
-}
-
-static int show_textbox_ext(const char *title, char *text, int r, int c, int
- *keys, int *vscroll, int *hscroll, update_text_fn
- update_text, void *data)
-{
- dialog_clear();
- return dialog_textbox(title, text, r, c, keys, vscroll, hscroll,
- update_text, data);
-}
-
-static void show_textbox(const char *title, const char *text, int r, int c)
-{
- show_textbox_ext(title, (char *) text, r, c, (int []) {0}, NULL, NULL,
- NULL, NULL);
-}
-
-static void show_helptext(const char *title, const char *text)
-{
- show_textbox(title, text, 0, 0);
-}
-
-static void conf_message_callback(const char *s)
-{
- if (save_and_exit) {
- if (!silent)
- printf("%s", s);
- } else {
- show_textbox(NULL, s, 6, 60);
- }
-}
-
-static void show_help(struct menu *menu)
-{
- struct gstr help = str_new();
-
- help.max_width = getmaxx(stdscr) - 10;
- menu_get_ext_help(menu, &help);
-
- show_helptext(menu_get_prompt(menu), str_get(&help));
- str_free(&help);
-}
-
static void conf_choice(struct menu *menu)
{
const char *prompt = menu_get_prompt(menu);
@@ -950,6 +819,127 @@ static void conf_save(void)
}
}
+static void conf(struct menu *menu, struct menu *active_menu)
+{
+ struct menu *submenu;
+ const char *prompt = menu_get_prompt(menu);
+ struct subtitle_part stpart;
+ struct symbol *sym;
+ int res;
+ int s_scroll = 0;
+
+ if (menu != &rootmenu)
+ stpart.text = menu_get_prompt(menu);
+ else
+ stpart.text = NULL;
+ list_add_tail(&stpart.entries, &trail);
+
+ while (1) {
+ item_reset();
+ current_menu = menu;
+ build_conf(menu);
+ if (!child_count)
+ break;
+ set_subtitle();
+ dialog_clear();
+ res = dialog_menu(prompt ? prompt : "Main Menu",
+ menu_instructions,
+ active_menu, &s_scroll);
+ if (res == 1 || res == KEY_ESC || res == -ERRDISPLAYTOOSMALL)
+ break;
+ if (item_count() != 0) {
+ if (!item_activate_selected())
+ continue;
+ if (!item_tag())
+ continue;
+ }
+ submenu = item_data();
+ active_menu = item_data();
+ if (submenu)
+ sym = submenu->sym;
+ else
+ sym = NULL;
+
+ switch (res) {
+ case 0:
+ switch (item_tag()) {
+ case 'm':
+ if (single_menu_mode)
+ submenu->data = (void *) (long) !submenu->data;
+ else
+ conf(submenu, NULL);
+ break;
+ case 't':
+ if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)
+ conf_choice(submenu);
+ else if (submenu->prompt->type == P_MENU)
+ conf(submenu, NULL);
+ break;
+ case 's':
+ conf_string(submenu);
+ break;
+ }
+ break;
+ case 2:
+ if (sym)
+ show_help(submenu);
+ else {
+ reset_subtitle();
+ show_helptext("README", mconf_readme);
+ }
+ break;
+ case 3:
+ reset_subtitle();
+ conf_save();
+ break;
+ case 4:
+ reset_subtitle();
+ conf_load();
+ break;
+ case 5:
+ if (item_is_tag('t')) {
+ if (sym_set_tristate_value(sym, yes))
+ break;
+ if (sym_set_tristate_value(sym, mod))
+ show_textbox(NULL, setmod_text, 6, 74);
+ }
+ break;
+ case 6:
+ if (item_is_tag('t'))
+ sym_set_tristate_value(sym, no);
+ break;
+ case 7:
+ if (item_is_tag('t'))
+ sym_set_tristate_value(sym, mod);
+ break;
+ case 8:
+ if (item_is_tag('t'))
+ sym_toggle_tristate_value(sym);
+ else if (item_is_tag('m'))
+ conf(submenu, NULL);
+ break;
+ case 9:
+ search_conf();
+ break;
+ case 10:
+ show_all_options = !show_all_options;
+ break;
+ }
+ }
+
+ list_del(trail.prev);
+}
+
+static void conf_message_callback(const char *s)
+{
+ if (save_and_exit) {
+ if (!silent)
+ printf("%s", s);
+ } else {
+ show_textbox(NULL, s, 6, 60);
+ }
+}
+
static int handle_exit(void)
{
int res;
--
2.34.1
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