From a5005789ff4cfc989e2eccc4213beda88ce3157c Mon Sep 17 00:00:00 2001
From: yhirose <yhirose@users.noreply.github.com>
Date: Sat, 25 Apr 2020 17:13:14 -0400
Subject: [PATCH] Fixed Visual Studio compiler warnings with x64 platform
 (Resolve #440 and #446) (#448)

---
 httplib.h | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/httplib.h b/httplib.h
index 1985123..56a70c1 100644
--- a/httplib.h
+++ b/httplib.h
@@ -2936,13 +2936,25 @@ inline bool SocketStream::is_writable() const {
 }
 
 inline ssize_t SocketStream::read(char *ptr, size_t size) {
-  if (is_readable()) { return recv(sock_, ptr, size, 0); }
-  return -1;
+  if (!is_readable()) { return -1; }
+
+#ifdef _WIN32
+  if (size > static_cast<size_t>(std::numeric_limits<int>::max())) { return -1; }
+  return recv(sock_, ptr, static_cast<int>(size), 0);
+#else
+  return recv(sock_, ptr, size, 0);
+#endif
 }
 
 inline ssize_t SocketStream::write(const char *ptr, size_t size) {
-  if (is_writable()) { return send(sock_, ptr, size, 0); }
-  return -1;
+  if (!is_writable()) { return -1; }
+
+#ifdef _WIN32
+  if (size > static_cast<size_t>(std::numeric_limits<int>::max())) { return -1; }
+  return send(sock_, ptr, static_cast<int>(size), 0);
+#else
+  return send(sock_, ptr, size, 0);
+#endif
 }
 
 inline void SocketStream::get_remote_ip_and_port(std::string &ip,