From 607dc5a7486e0ca87cd7f8fa9e2e8223e1eec490 Mon Sep 17 00:00:00 2001
From: Ruihang Lai <ruihangl@cs.cmu.edu>
Date: Tue, 27 Feb 2024 09:28:38 -0500
Subject: [PATCH] [Fix] Fix `u_char` for Windows build (#1848)

Prior to this PR, `u_char` was used while it is not a standard
type in C++, which causes Windows build failure.

This PR fixes it by using `unsigned char`.
---
 cpp/serve/data.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cpp/serve/data.cc b/cpp/serve/data.cc
index 54e404ae1f..770619f7c3 100644
--- a/cpp/serve/data.cc
+++ b/cpp/serve/data.cc
@@ -103,7 +103,7 @@ inline void TokenToLogProbJSON(const Tokenizer& tokenizer, const TokenProbPair&
   (*os) << "\"bytes\": [";
   int token_len = token.size();
   for (int pos = 0; pos < token_len; ++pos) {
-    (*os) << static_cast<int>(static_cast<u_char>(token[pos]));
+    (*os) << static_cast<int>(static_cast<unsigned char>(token[pos]));
     if (pos != token_len - 1) {
       (*os) << ", ";
     }