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Subject[RFC] kconfig/mconf.c: revision of curses initialization.
Date
Hello,

I noticed that in mconf, initscr() is called twice -- as far as I found
out since commit d0e1e09568.

In case you see a need to fix that:

I first thought about simply removing the call in init_dialog() in
util.c but then had the feeling that saving of initial cursor positions
also perhaps is better done in that function...

Dirk

------------------------------------------------------------------------
From 1a4022eedbee6032dea16f67bbe4028a8d3d07a0 Mon Sep 17 00:00:00 2001
From: Dirk Gouders <gouders@et.bocholt.fh-gelsenkirchen.de>
Date: Mon, 6 Aug 2012 16:48:23 +0200
Subject: [PATCH] kconfig/mconf.c: revision of curses initialization.

Since commit d0e1e09568 initscr() is called twice in mconf.

Do it only in init_dialog() in util.c and there also save the
cursor position for the signal handler in mconf.c.

Signed-off-by: Dirk Gouders <gouders@et.bocholt.fh-gelsenkirchen.de>
---
scripts/kconfig/lxdialog/dialog.h | 1 +
scripts/kconfig/lxdialog/util.c | 7 +++++++
scripts/kconfig/mconf.c | 4 ----
3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/scripts/kconfig/lxdialog/dialog.h b/scripts/kconfig/lxdialog/dialog.h
index b5211fc..43a58ec 100644
--- a/scripts/kconfig/lxdialog/dialog.h
+++ b/scripts/kconfig/lxdialog/dialog.h
@@ -144,6 +144,7 @@ struct dialog_info {
*/
extern struct dialog_info dlg;
extern char dialog_input_result[];
+extern int saved_x, saved_y; /* Needed in signal handler in mconf.c */

/*
* Function prototypes
diff --git a/scripts/kconfig/lxdialog/util.c b/scripts/kconfig/lxdialog/util.c
index f2375ad..109d531 100644
--- a/scripts/kconfig/lxdialog/util.c
+++ b/scripts/kconfig/lxdialog/util.c
@@ -23,6 +23,9 @@

#include "dialog.h"

+/* Needed in signal handler in mconf.c */
+int saved_x, saved_y;
+
struct dialog_info dlg;

static void set_mono_theme(void)
@@ -273,6 +276,10 @@ int init_dialog(const char *backtitle)
int height, width;

initscr(); /* Init curses */
+
+ /* Get current cursor position for signal handler in mconf.c */
+ getyx(stdscr, saved_y, saved_x);
+
getmaxyx(stdscr, height, width);
if (height < 19 || width < 80) {
endwin();
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index f584a28..d856d40 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -273,7 +273,6 @@ static struct menu *current_menu;
static int child_count;
static int single_menu_mode;
static int show_all_options;
-static int saved_x, saved_y;

static void conf(struct menu *menu);
static void conf_choice(struct menu *menu);
@@ -862,9 +861,6 @@ int main(int ac, char **av)
single_menu_mode = 1;
}

- initscr();
-
- getyx(stdscr, saved_y, saved_x);
if (init_dialog(NULL)) {
fprintf(stderr, N_("Your display is too small to run Menuconfig!\n"));
fprintf(stderr, N_("It must be at least 19 lines by 80 columns.\n"));
--
1.7.8.6


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