From fb318e54fea6b8532833faef98c8b7720a30b29d Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 26 Mar 2023 00:18:17 +0900
Subject: 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@kernel.org>
---
scripts/kconfig/lxdialog/textbox.c | 258 ++++++++++++++++++-------------------
1 file changed, 125 insertions(+), 133 deletions(-)
(limited to 'scripts/kconfig/lxdialog/textbox.c')
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 @@ do_resize:
*_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);
-}
--
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