From c7252a928a8e033eed55c5912ea6e34e15af70d2 Mon Sep 17 00:00:00 2001
From: Huiba Li <huiba.lhb@alibaba-inc.com>
Date: Fri, 11 Oct 2024 11:40:55 +0800
Subject: [PATCH] fix recv_at_least() (#593)

---
 net/basic_socket.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/basic_socket.cpp b/net/basic_socket.cpp
index 5b5e8ac3..91665779 100644
--- a/net/basic_socket.cpp
+++ b/net/basic_socket.cpp
@@ -269,6 +269,7 @@ ssize_t ISocketStream::recv_at_least(void* buf, size_t count, size_t least, int
         if (ret < 0) return ret;
         if (ret == 0) break;    // EOF
         if ((n += ret) >= least) break;
+        (char*&)buf += ret;
         count -= ret;
     } while (count);
     return n;