From 1e65049d4842947ced6a807b93211542c46ca771 Mon Sep 17 00:00:00 2001
From: Jason Tsai <jason@pews.dev>
Date: Thu, 16 May 2024 18:32:41 +0800
Subject: [PATCH] fix(macos): check IPC message body is null before deference
 it (#1267)

---
 .changes/fix-macos-ipc-empty-body-crash.md | 5 +++++
 src/wkwebview/mod.rs                       | 4 +++-
 2 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 .changes/fix-macos-ipc-empty-body-crash.md

diff --git a/.changes/fix-macos-ipc-empty-body-crash.md b/.changes/fix-macos-ipc-empty-body-crash.md
new file mode 100644
index 000000000..268dbecd7
--- /dev/null
+++ b/.changes/fix-macos-ipc-empty-body-crash.md
@@ -0,0 +1,5 @@
+---
+"wry": patch
+---
+
+On macOS, fixed a crash when sending empty body by IPC.
diff --git a/src/wkwebview/mod.rs b/src/wkwebview/mod.rs
index a1ffb68f4..3b1b2312d 100644
--- a/src/wkwebview/mod.rs
+++ b/src/wkwebview/mod.rs
@@ -232,7 +232,9 @@ impl InnerWebView {
           if !body.is_null() {
             let length = msg_send![body, length];
             let data_bytes: id = msg_send![body, bytes];
-            sent_form_body = slice::from_raw_parts(data_bytes as *const u8, length).to_vec();
+            if !data_bytes.is_null() {
+              sent_form_body = slice::from_raw_parts(data_bytes as *const u8, length).to_vec();
+            }
           } else if !body_stream.is_null() {
             let _: () = msg_send![body_stream, open];