replace localtime with _s/_r variant

cppcheck warns on localtime which is not necessarily threadsafe. Signed-off-by: Rosen Penev <[email protected]>
Exiv2 · Feb 11, 2023 · ebc2d6e · ebc2d6e
1 parent 3c36b30
commit ebc2d6e
Showing 1 changed file with 6 additions and 1 deletion.
diff --git 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) ? NULL : &r;
+#else
+  auto tm = localtime_r(&t, &r);
+#endif
   if (tm) {
     const size_t m = 20;
     char s[m];