magic: implement buffer processing support

1 files changed, 7 insertions, 0 deletions

diff --git a/cabinet/magic.cpp b/cabinet/magic.cpp
index 96b78a3..3c36881 100644
--- a/cabinet/magic.cpp
+++ b/cabinet/magic.cpp
@@ -3,8 +3,10 @@
 #include <magic.h>
 
 #include <cerrno>
+#include <cstddef>
 #include <expected>
 #include <filesystem>
+#include <span>
 #include <string>
 #include <string_view>
 #include <system_error>
@@ -68,6 +70,11 @@ namespace cab
     return handle_result(::magic_descriptor(m_cookie, file_descriptor));
   }
 
+  auto magic::process(std::span<std::byte> data) -> std::expected<std::string, std::error_code>
+  {
+    return handle_result(::magic_buffer(m_cookie, data.data(), data.size_bytes()));
+  }
+
   auto magic::handle_result(char const * result) -> std::expected<std::string, std::error_code>
   {
     auto errno_copy = errno;