From 3333f7cc6e5bee683ae7349ed86304e20db5a675 Mon Sep 17 00:00:00 2001
From: Egor Tensin <egor@tensin.name>
Date: Thu, 4 Jun 2026 23:00:02 +0200
Subject: upgrade to std::format

---
 include/winapi/buffer.hpp | 9 +++------
 include/winapi/error.hpp  | 6 ++----
 2 files changed, 5 insertions(+), 10 deletions(-)

(limited to 'include')

diff --git a/include/winapi/buffer.hpp b/include/winapi/buffer.hpp
index bebd05f..1009ebb 100644
--- a/include/winapi/buffer.hpp
+++ b/include/winapi/buffer.hpp
@@ -7,8 +7,8 @@
 
 #include <cstddef>
 #include <cstring>
+#include <format>
 #include <initializer_list>
-#include <sstream>
 #include <stdexcept>
 #include <string>
 #include <string_view>
@@ -67,11 +67,8 @@ public:
     std::wstring as_utf16() const {
         const auto c_str = reinterpret_cast<const wchar_t*>(data());
         const auto nb = size();
-        if (nb % 2 != 0) {
-            std::ostringstream oss;
-            oss << "Buffer size invalid at " << nb << " bytes";
-            throw std::runtime_error{oss.str()};
-        }
+        if (nb % 2 != 0)
+            throw std::runtime_error{std::format("Buffer size invalid at {} bytes", nb)};
         const auto nch = nb / 2;
         return {c_str, nch};
     }
diff --git a/include/winapi/error.hpp b/include/winapi/error.hpp
index 35e10f0..30237e3 100644
--- a/include/winapi/error.hpp
+++ b/include/winapi/error.hpp
@@ -13,7 +13,7 @@
 #include <windows.h>
 
 #include <cstdint>
-#include <sstream>
+#include <format>
 #include <stdexcept>
 #include <string>
 #include <system_error>
@@ -44,9 +44,7 @@ std::system_error windows(DWORD code, const char* function);
 
 template <typename Ret>
 std::runtime_error custom(Ret ret, const char* function) {
-    std::ostringstream oss;
-    oss << "Function " << function << " failed with error code " << ret;
-    return std::runtime_error{oss.str()};
+    return std::runtime_error{std::format("Function {} failed with error code {}", function, ret)};
 }
 
 } // namespace error
-- 
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