From bf352b7287b4d013c39d8d9a99d64526356b8f53 Mon Sep 17 00:00:00 2001
From: Mohammad Nejati <ashtumashtum@gmail.com>
Date: Thu, 18 Dec 2025 06:01:51 +0000
Subject: [PATCH] fix: parser uses flat_buffer::capacity()

---
 src/parser.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/parser.cpp b/src/parser.cpp
index 1e98c8c2..bd7fccfa 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -773,7 +773,7 @@ class parser::impl
         {
             BOOST_ASSERT(
                 m_.h_.size < svc_.cfg.headers.max_size);
-            std::size_t n = fb_.capacity() - fb_.size();
+            std::size_t n = fb_.capacity();
             BOOST_ASSERT(n <= svc_.max_overread());
             n = clamp(n, svc_.cfg.max_prepare);
             mbp_[0] = fb_.prepare(n);