From 12211fa573ebe103a8602c7fcfda1da3f2b1b1c5 Mon Sep 17 00:00:00 2001
From: fj <fj@fj.fj>
Date: Wed, 30 Oct 2024 22:29:16 +0300
Subject: [PATCH] tweak: added os guards for the windows ci build

---
 src/lib.rs | 27 +++++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 013e68d..bf7c860 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -24,18 +24,37 @@ use std::ffi::c_void;
 #[cfg(unix)]
 use libc::{mlock, munlock, sysconf, _SC_PAGESIZE};
 
+#[cfg(windows)]
+use windows_sys::Win32::System::SystemInformation::{GetSystemInfo, SYSTEM_INFO};
+
 #[cfg(target_os = "linux")]
 use libc::{madvise, MADV_DODUMP, MADV_DONTDUMP};
 
 pub use zeroize;
 pub use zeroize::{Zeroize, ZeroizeOnDrop};
 
+#[cfg(unix)]
 static mut PAGE_SIZE: LazyCell<i64> = LazyCell::new(|| {
-    let page_size = unsafe { sysconf(_SC_PAGESIZE) };
-    if page_size == -1 {
-        panic!("Error getting page size: \n {}", errno())
+    {
+        let page_size = unsafe { sysconf(_SC_PAGESIZE) };
+        if page_size == -1 {
+            panic!("Error getting page size: \n {}", errno())
+        }
+        page_size
+    }
+});
+
+#[allow(dead_code)]
+#[cfg(windows)]
+static mut PAGE_SIZE: LazyCell<i64> = LazyCell::new(|| {
+    {
+        unsafe {
+            // Initialize SYSTEM_INFO using zeroed memory
+            let mut system_info: SYSTEM_INFO = std::mem::zeroed();
+            GetSystemInfo(&mut system_info);
+            system_info.dwPageSize as i64
+        }
     }
-    page_size
 });
 
 /// Wrapper for the inner secret. Can be exposed by [`ExposeSecret`]