From 2e80cf9bbae086c0ab504e51a9f6ec3ac34435b2 Mon Sep 17 00:00:00 2001
From: Dave Murphy <davem@devkitpro.org>
Date: Sat, 27 May 2023 10:22:19 +0100
Subject: [PATCH] quote timezone to allow +/- & alphanumerics

---
 nx/source/runtime/newlib.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/nx/source/runtime/newlib.c b/nx/source/runtime/newlib.c
index b3a2de087..c348ef583 100644
--- a/nx/source/runtime/newlib.c
+++ b/nx/source/runtime/newlib.c
@@ -320,10 +320,13 @@ void __libnx_init_time(void)
         hour = tmp_offset % 24;
 
         memset(envstr, 0, sizeof(envstr));
-
+        strptr = envstr;
+         // Some tznames have numeric characters and '-'/'+', so quote tzname with <>.
+        *strptr++ = '<';
         //Avoid using *printf.
-        strncpy(envstr, /*info.timezoneName*/"NX", sizeof(envstr)-1); // Some tznames have numeric characters and '-'/'+', so the actual tzname can't be used.
+        strncpy(strptr, info.timezoneName, sizeof(envstr)-1);
         strptr = &envstr[strlen(envstr)];
+        *strptr++ = '>';
         *strptr++ = is_west ? '+' : '-';
 
         *strptr++ = '0' + (hour / 10);