From 8e9cd79855683efb9a3cbf14a1ecd637cfbf7b54 Mon Sep 17 00:00:00 2001
From: Isaac <>
Date: Wed, 4 Feb 2026 19:41:25 +0800
Subject: [PATCH] Fix buffer

---
 submodules/TelegramApi/Sources/Buffer.swift | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/submodules/TelegramApi/Sources/Buffer.swift b/submodules/TelegramApi/Sources/Buffer.swift
index 4a58e1f7bf..8ec5a23b82 100644
--- a/submodules/TelegramApi/Sources/Buffer.swift
+++ b/submodules/TelegramApi/Sources/Buffer.swift
@@ -363,13 +363,16 @@ public class BufferReader {
         if count == 0 {
             return 0
         }
-        else if count > 0 && count <= 4 || self.offset + UInt(count) <= self.buffer._size {
-            var value: Int32 = 0
-            memcpy(&value, self.buffer.data?.advanced(by: Int(self.offset)), count)
-            self.offset += UInt(count)
-            return value
+        guard count > 0, count <= 4, self.offset + UInt(count) <= self.buffer._size else {
+            return nil
         }
-        return nil
+        guard let bufferData = self.buffer.data else {
+            return nil
+        }
+        var value: Int32 = 0
+        memcpy(&value, bufferData.advanced(by: Int(self.offset)), count)
+        self.offset += UInt(count)
+        return value
     }
     
     public func readBuffer(_ count: Int) -> Buffer? {