From 56593f419b2bf08e8b665b9efec504730cbb065b Mon Sep 17 00:00:00 2001
From: Charlie Gordon <github@chqrlie.org>
Date: Mon, 8 Apr 2024 17:02:20 +0200
Subject: [PATCH] Fix `JS_ReadString` for wide strings on big endian targets
 (#354)

swap words of wide character strings upon loading on a big endian target.
---
 quickjs.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/quickjs.c b/quickjs.c
index b35ed9f..a918691 100644
--- a/quickjs.c
+++ b/quickjs.c
@@ -33614,7 +33614,13 @@ static JSString *JS_ReadString(BCReaderState *s)
     }
     memcpy(p->u.str8, s->ptr, size);
     s->ptr += size;
-    if (!is_wide_char) {
+    if (is_wide_char) {
+        if (is_be()) {
+            uint32_t i;
+            for (i = 0; i < len; i++)
+                p->u.str16[i] = bswap16(p->u.str16[i]);
+        }
+    } else {
         p->u.str8[size] = '\0'; /* add the trailing zero for 8 bit strings */
     }
 #ifdef DUMP_READ_OBJECT