From 6cdd3493a147605290df5cc66dcc5b6f2a21db8f Mon Sep 17 00:00:00 2001
From: yhirose <yuji.hirose.bug@gmail.com>
Date: Sun, 1 Sep 2024 01:55:27 -0400
Subject: [PATCH] Fix #1788

---
 httplib.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/httplib.h b/httplib.h
index 7b7b3f2..97c71a9 100644
--- a/httplib.h
+++ b/httplib.h
@@ -7720,6 +7720,14 @@ inline bool ClientImpl::process_request(Stream &strm, Request &req,
       return ret;
     };
 
+    if (res.has_header("Content-Length")) {
+      if (!req.content_receiver) {
+        auto len = std::min<size_t>(res.get_header_value_u64("Content-Length"),
+                                    res.body.max_size());
+        if (len > 0) { res.body.reserve(len); }
+      }
+    }
+
     int dummy_status;
     if (!detail::read_content(strm, res, (std::numeric_limits<size_t>::max)(),
                               dummy_status, std::move(progress), std::move(out),