From d3690ff0060f0856b528562d94986382913922db Mon Sep 17 00:00:00 2001
From: Edo <edoardo.sanguineti222@gmail.com>
Date: Sun, 2 Apr 2023 21:24:56 +0200
Subject: [PATCH] fix(preprocessor): initialize tm structure (#96)

---
 include/xsk/gsc/preprocessor.hpp |  1 +
 src/gsc/preprocessor.cpp         | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/include/xsk/gsc/preprocessor.hpp b/include/xsk/gsc/preprocessor.hpp
index 63703242..1a4fa8e2 100644
--- a/include/xsk/gsc/preprocessor.hpp
+++ b/include/xsk/gsc/preprocessor.hpp
@@ -83,6 +83,7 @@ private:
     auto eval_expr_factor() -> i32;
     auto eval_expr_unary() -> i32;
     auto eval_expr_primary() -> i32;
+    auto get_local_time(std::tm& ltime) -> void;
     auto get_date_define(std::tm* time_p) -> void;
     auto get_time_define(std::tm* time_p) -> void;
 };
diff --git a/src/gsc/preprocessor.cpp b/src/gsc/preprocessor.cpp
index 7cf91940..a47953aa 100644
--- a/src/gsc/preprocessor.cpp
+++ b/src/gsc/preprocessor.cpp
@@ -40,6 +40,7 @@ preprocessor::preprocessor(context* ctx, std::string const& name, char const* da
     directives_.insert({ "using_animtree", directive::USINGTREE });
 
     std::tm l_time = {};
+    get_local_time(l_time);
     get_date_define(&l_time);
     get_time_define(&l_time);
 }
@@ -1357,6 +1358,17 @@ auto preprocessor::eval_expr_primary() -> i32
     throw ppr_error(eval_peek().pos, "invalid preprocessor expression");
 }
 
+auto preprocessor::get_local_time(std::tm& l_time) -> void
+{
+    std::time_t t;
+    time(&t);
+#ifndef _WIN32
+    localtime_r(&t, &l_time);
+#else
+    localtime_s(&l_time, &t);
+#endif
+}
+
 auto preprocessor::get_date_define(std::tm* time_p) -> void
 {
     char buf[] = "??? ?? ????";