From e1cbd2364f536a1cef817961967e1738b89be734 Mon Sep 17 00:00:00 2001
From: Aapo Alasuutari <aapo.alasuutari@gmail.com>
Date: Sat, 23 Jul 2022 20:11:06 +0300
Subject: feat(ext/ffi): Add support to get ArrayBuffers from UnsafePointerView
 (#15143)

---
 ext/ffi/00_ffi.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'ext/ffi/00_ffi.js')

diff --git a/ext/ffi/00_ffi.js b/ext/ffi/00_ffi.js
index cdaf69e0d..ac8dda317 100644
--- a/ext/ffi/00_ffi.js
+++ b/ext/ffi/00_ffi.js
@@ -10,7 +10,6 @@
     ObjectPrototypeIsPrototypeOf,
     PromisePrototypeThen,
     TypeError,
-    Uint8Array,
   } = window.__bootstrap.primordials;
 
   function unpackU64([hi, lo]) {
@@ -107,9 +106,11 @@
     }
 
     getArrayBuffer(byteLength, offset = 0) {
-      const uint8array = new Uint8Array(byteLength);
-      this.copyInto(uint8array, offset);
-      return uint8array.buffer;
+      return core.opSync(
+        "op_ffi_get_buf",
+        offset ? this.pointer + BigInt(offset) : this.pointer,
+        byteLength,
+      );
     }
 
     copyInto(destination, offset = 0) {
-- 
cgit v1.2.3