From 6e6f72a5210085a8c00b1858114744e810215edf Mon Sep 17 00:00:00 2001
From: Max Kellermann <max.kellermann@gmail.com>
Date: Wed, 20 Dec 2023 15:12:19 +0100
Subject: [PATCH] win32/HResult: convert assert() to runtime check to work
 around -Walloc-size-larger-than

---
 src/win32/HResult.cxx | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/win32/HResult.cxx b/src/win32/HResult.cxx
index a4e04caa6..c5e522464 100644
--- a/src/win32/HResult.cxx
+++ b/src/win32/HResult.cxx
@@ -100,9 +100,11 @@ FormatHResultError(HRESULT result, const char *fmt, ...) noexcept
 	va_start(args1, fmt);
 	va_copy(args2, args1);
 
-	const int size = vsnprintf(nullptr, 0, fmt, args1);
+	int size = vsnprintf(nullptr, 0, fmt, args1);
 	va_end(args1);
-	assert(size >= 0);
+
+	if (size < 0)
+		size = 0;
 
 	auto buffer = std::make_unique<char[]>(size + 1);
 	vsprintf(buffer.get(), fmt, args2);