From 75dae3fb96fc0dcd2cd13a64e98165c7f316419b Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Sat, 11 Feb 2023 14:05:01 -0800
Subject: [PATCH] replace localtime with _s/_r variant

cppcheck warns on localtime which is not necessarily threadsafe.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 src/crwimage_int.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/crwimage_int.cpp b/src/crwimage_int.cpp
index 10746418..69b1a3f3 100644
--- a/src/crwimage_int.cpp
+++ b/src/crwimage_int.cpp
@@ -741,7 +741,12 @@ void CrwMap::decode0x180e(const CiffComponent& ciffComponent, const CrwMapping*
   ULongValue v;
   v.read(ciffComponent.pData(), 8, byteOrder);
   time_t t = v.value_.at(0);
-  auto tm = std::localtime(&t);
+  struct tm r;
+#ifdef _WIN32
+  auto tm = localtime_s(&r, &t) ? nullptr : &r;
+#else
+  auto tm = localtime_r(&t, &r);
+#endif
   if (tm) {
     const size_t m = 20;
     char s[m];