Sync kconfig files with upstream 4.15

Last updated with 4.9-rc7.
This commit introduces the following upstream changes:

9059a3493efe kconfig: fix relational operators for bool and tristate symbols
88127dae6ed9 kconfig/symbol.c: use correct pointer type argument for sizeof
b24413180f56 License cleanup: add SPDX GPL-2.0 license identifier to files with no license
bb3290d91695 Remove gperf usage from toolchain
ad8181060788 kconfig: fix sparse warnings in nconfig
ff85a1a80e00 kconfig: Check for libncurses before menuconfig
9be3213b14d4 gconfig: remove misleading parentheses around a condition
83c3a1bad224 xconfig: fix missing suboption and help panels on first run
e039303ff71a xconfig: fix 'Show Debug' functionality
79e51b5c2dee kconfig/nconf: Fix hang when editing symbol with a long prompt
0eb47346968f Scripts: kconfig: nconf: fix _GNU_SOURCE redefined warning
237e3ad0f195 Kconfig: Introduce the "imply" keyword

Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>

1 files changed, 13 insertions, 6 deletions

diff --git a/kconfig/nconf.gui.c b/kconfig/nconf.gui.c
index 8275f0e..a64b1c3 100644
--- a/kconfig/nconf.gui.c
+++ b/kconfig/nconf.gui.c
@@ -129,7 +129,7 @@ static void no_colors_theme(void)
 	mkattrn(FUNCTION_TEXT, A_REVERSE);
 }
 
-void set_colors()
+void set_colors(void)
 {
 	start_color();
 	use_default_colors();
@@ -192,7 +192,7 @@ const char *get_line(const char *text, int line_no)
 	int lines = 0;
 
 	if (!text)
-		return 0;
+		return NULL;
 
 	for (i = 0; text[i] != '\0' && lines < line_no; i++)
 		if (text[i] == '\n')
@@ -364,12 +364,14 @@ int dialog_inputbox(WINDOW *main_window,
 	WINDOW *prompt_win;
 	WINDOW *form_win;
 	PANEL *panel;
-	int i, x, y;
+	int i, x, y, lines, columns, win_lines, win_cols;
 	int res = -1;
 	int cursor_position = strlen(init);
 	int cursor_form_win;
 	char *result = *resultp;
 
+	getmaxyx(stdscr, lines, columns);
+
 	if (strlen(init)+1 > *result_len) {
 		*result_len = strlen(init)+1;
 		*resultp = result = realloc(result, *result_len);
@@ -386,14 +388,19 @@ int dialog_inputbox(WINDOW *main_window,
 	if (title)
 		prompt_width = max(prompt_width, strlen(title));
 
+	win_lines = min(prompt_lines+6, lines-2);
+	win_cols = min(prompt_width+7, columns-2);
+	prompt_lines = max(win_lines-6, 0);
+	prompt_width = max(win_cols-7, 0);
+
 	/* place dialog in middle of screen */
-	y = (getmaxy(stdscr)-(prompt_lines+4))/2;
-	x = (getmaxx(stdscr)-(prompt_width+4))/2;
+	y = (lines-win_lines)/2;
+	x = (columns-win_cols)/2;
 
 	strncpy(result, init, *result_len);
 
 	/* create the windows */
-	win = newwin(prompt_lines+6, prompt_width+7, y, x);
+	win = newwin(win_lines, win_cols, y, x);
 	prompt_win = derwin(win, prompt_lines+1, prompt_width, 2, 2);
 	form_win = derwin(win, 1, prompt_width, prompt_lines+3, 2);
 	keypad(form_win, TRUE);