From e93ddd2aa7a7fc430688c09d551afed835def160 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Gr=C3=A9goire?= <lectem@gmail.com>
Date: Fri, 29 May 2026 17:15:30 +0200
Subject: [PATCH] When using the MSVC C runtime, `fileno` doesn't actually
 exist, use `_fileno` instead.

OLDNAMES.lib may not be linked if you use /NODEFAULTLIB.
Note: This uses `_MSC_VER` as a gate and not _WIN32 as MinGW apparently uses `fileno` and not `_fileno`.
---
 public/client/TracyProfiler.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/public/client/TracyProfiler.cpp b/public/client/TracyProfiler.cpp
index 05ed9922..0e19d6e7 100644
--- a/public/client/TracyProfiler.cpp
+++ b/public/client/TracyProfiler.cpp
@@ -10,7 +10,9 @@
 #  include <inttypes.h>
 #  include <intrin.h>
 #  include "../common/TracyWinFamily.hpp"
-#  ifndef _MSC_VER
+#  if defined(_MSC_VER) // https://devblogs.microsoft.com/oldnewthing/20200730-00/?p=104021/
+#    define fileno _fileno
+#  else
 #    include <excpt.h>
 #  endif
 #else