From 5a37e182deee09a873777ff3f8e901d117e5f39b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Sch=C3=A4pers?=
 <17547773+HazardyKnusperkeks@users.noreply.github.com>
Date: Mon, 21 Dec 2020 17:43:30 +0100
Subject: [PATCH] Disable warning about format string (#2067)

Reported by MinGW/GCC 10
---
 include/fmt/chrono.h | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/include/fmt/chrono.h b/include/fmt/chrono.h
index d68d8c9a..bbb6b502 100644
--- a/include/fmt/chrono.h
+++ b/include/fmt/chrono.h
@@ -383,12 +383,21 @@ inline std::tm gmtime(
 namespace detail {
 inline size_t strftime(char* str, size_t count, const char* format,
                        const std::tm* time) {
-  return std::strftime(str, count, format, time);
+  // Assign to a pointer to suppress GCCs -Wformat-nonliteral
+  // First assign the nullptr to suppress -Wsuggest-attribute=format
+  std::size_t (*strftime)(char*, std::size_t, const char*, const std::tm*) =
+      nullptr;
+  strftime = std::strftime;
+  return strftime(str, count, format, time);
 }
 
 inline size_t strftime(wchar_t* str, size_t count, const wchar_t* format,
                        const std::tm* time) {
-  return std::wcsftime(str, count, format, time);
+  // See above
+  std::size_t (*wcsftime)(wchar_t*, std::size_t, const wchar_t*,
+                          const std::tm*) = nullptr;
+  wcsftime = std::wcsftime;
+  return wcsftime(str, count, format, time);
 }
 }  // namespace detail