From 66067d6a8399dc8523c04068be0bc05ffacdef03 Mon Sep 17 00:00:00 2001
From: Lin Zhihao <59785146+LinZhihao-723@users.noreply.github.com>
Date: Wed, 22 Jan 2025 18:03:58 -0500
Subject: [PATCH] fix(core-clp): Handle 0-byte reads when `BufferReader`'s
 underlying buffer is fully consumed. (#687)

---
 components/core/src/clp/BufferReader.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/components/core/src/clp/BufferReader.cpp b/components/core/src/clp/BufferReader.cpp
index b0f8f2fb2..2b54b3b30 100644
--- a/components/core/src/clp/BufferReader.cpp
+++ b/components/core/src/clp/BufferReader.cpp
@@ -62,6 +62,10 @@ auto BufferReader::try_read(char* buf, size_t num_bytes_to_read, size_t& num_byt
 
     auto remaining_data_size = get_remaining_data_size();
     if (0 == remaining_data_size) {
+        if (0 == num_bytes_to_read) {
+            num_bytes_read = 0;
+            return ErrorCode_Success;
+        }
         return ErrorCode_EndOfFile;
     }