From dea64f773e2dc079b112334882fcf4840f5f6eea Mon Sep 17 00:00:00 2001
From: maleicacid <4982384+kazuki0824@users.noreply.github.com>
Date: Sun, 1 Sep 2024 22:13:17 +0900
Subject: [PATCH] =?UTF-8?q?decoder=E3=81=8B=E3=82=89=E3=81=AE=E8=AA=AD?=
 =?UTF-8?q?=E3=81=BF=E5=8F=96=E3=82=8A=E6=99=82=E3=81=AENull=E3=83=81?=
 =?UTF-8?q?=E3=82=A7=E3=83=83=E3=82=AF=E3=82=92=E8=BF=BD=E5=8A=A0=20(#121)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 b25-sys/src/bindings/mod.rs | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/b25-sys/src/bindings/mod.rs b/b25-sys/src/bindings/mod.rs
index bd352dd..ca999b4 100644
--- a/b25-sys/src/bindings/mod.rs
+++ b/b25-sys/src/bindings/mod.rs
@@ -140,12 +140,16 @@ impl Read for InnerDecoder {
             };
 
             let code = self.dec.as_ref().get(&mut buffer_struct);
-            std::ptr::copy_nonoverlapping(
-                buffer_struct.data as *const u8,
-                buf.as_mut_ptr(),
-                buffer_struct.size as usize,
-            );
-            (code, buffer_struct.size as usize)
+            if buffer_struct.data.is_null() {
+                (0, 0)
+            } else {
+                std::ptr::copy_nonoverlapping(
+                    buffer_struct.data as *const u8,
+                    buf.as_mut_ptr(),
+                    buffer_struct.size as usize,
+                );
+                (code, buffer_struct.size as usize)
+            }
         };
 
         match code {