From 6d8a0c301bed97977dd23a9a2f2d9cadc143b4bd Mon Sep 17 00:00:00 2001
From: Matthias Moulin <matthias.moulin@gmail.com>
Date: Sun, 7 Apr 2024 12:50:27 +0200
Subject: [PATCH] Resolved warning C4996: 'fileno': The POSIX name for this
 item is deprecated. Instead, use the ISO C and C++ conformant name: _fileno.

---
 src/os.cc | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/os.cc b/src/os.cc
index 70a4a04c4d3d3..cfd86e819a73a 100644
--- a/src/os.cc
+++ b/src/os.cc
@@ -183,11 +183,9 @@ void buffered_file::close() {
 
 int buffered_file::descriptor() const {
 #ifdef FMT_HAS_SYSTEM
-  // fileno is a macro on OpenBSD.
-#  ifdef fileno
-#    undef fileno
-#  endif
   int fd = FMT_POSIX_CALL(fileno(file_));
+#elif defined(_WIN32)
+  int fd = _fileno(file_);
 #else
   int fd = fileno(file_);
 #endif