From 81fa478a642b25715adecf27c283e6f15334d705 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@gmail.com>
Date: Fri, 5 Jun 2026 08:55:54 +0200
Subject: magic: implement file descriptor support

---
 cabinet/magic.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'cabinet/magic.cpp')

diff --git a/cabinet/magic.cpp b/cabinet/magic.cpp
index b5c1aaa..08b3046 100644
--- a/cabinet/magic.cpp
+++ b/cabinet/magic.cpp
@@ -63,6 +63,16 @@ namespace cab
     return result;
   }
 
+  auto magic::process(int file_descriptor) -> std::expected<std::string, std::string>
+  {
+    auto result = ::magic_descriptor(m_cookie, file_descriptor);
+    if (!result)
+    {
+      return std::unexpected{std::string{::magic_error(m_cookie)}};
+    }
+    return result;
+  }
+
   auto swap(magic & lhs, magic & rhs) noexcept -> void
   {
     auto temp = std::move(lhs);
-- 
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