From a8fe20a1e2c3ca178325978c6fc3501b9670c052 Mon Sep 17 00:00:00 2001
From: Jeff <jeffdav@users.noreply.github.com>
Date: Fri, 28 Mar 2025 10:42:55 -0700
Subject: [PATCH] windows: Fix insecure CRT warning about getenv.

---
 PythonKit/PythonLibrary.swift | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/PythonKit/PythonLibrary.swift b/PythonKit/PythonLibrary.swift
index 6149478..b689b39 100644
--- a/PythonKit/PythonLibrary.swift
+++ b/PythonKit/PythonLibrary.swift
@@ -284,7 +284,17 @@ extension PythonLibrary {
         }
 
         var value: String? {
+#if os(Windows)
+            var cString: UnsafeMutablePointer<CChar>? = nil
+            var size: size_t = 0
+            let result = _dupenv_s(&cString, &size, key)
+            defer {
+                if let cString { free(cString) }
+            }
+            guard result == 0, let cString else { return nil }
+#else
             guard let cString = getenv(key) else { return nil }
+#endif
             let value = String(cString: cString)
             guard !value.isEmpty else { return nil }
             return value