From: Jakub Horký <jakub.git@horky.net>
Date: Tue, 14 Oct 2025 15:49:32 +0000 (+0200)
Subject: kconfig/mconf: Initialize the default locale at startup
X-Git-Tag: v6.18-rc4~8^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3927c4a1084c48ef97f11281a0a43ecb2cb4d6f1;p=thirdparty%2Fkernel%2Flinux.git

kconfig/mconf: Initialize the default locale at startup

Fix bug where make menuconfig doesn't initialize the default locale, which
causes ncurses menu borders to be displayed incorrectly (lqqqqk) in
UTF-8 terminals that don't support VT100 ACS by default, such as PuTTY.

Signed-off-by: Jakub Horký <jakub.git@horky.net>
Link: https://patch.msgid.link/20251014154933.3990990-1-jakub.git@horky.net
[nathan: Alphabetize locale.h include]
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
---

diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index 84ea9215c0a7..b8b7bba84a65 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -12,6 +12,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <limits.h>
+#include <locale.h>
 #include <stdarg.h>
 #include <stdlib.h>
 #include <string.h>
@@ -931,6 +932,8 @@ int main(int ac, char **av)
 
 	signal(SIGINT, sig_handler);
 
+	setlocale(LC_ALL, "");
+
 	if (ac > 1 && strcmp(av[1], "-s") == 0) {
 		silent = 1;
 		/* Silence conf_read() until the real callback is set up */