From 671ba8312ae525622fa0fc610a899da7bf9d3e06 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Fri, 20 Jan 2017 14:45:41 -0500
Subject: [PATCH] Get the page size on Windows

---
 src/core/System.cc | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/core/System.cc b/src/core/System.cc
index 70117e7..ba8f4b3 100644
--- a/src/core/System.cc
+++ b/src/core/System.cc
@@ -17,14 +17,20 @@ static std::string Executable_Path;
 
 bool System::init(char * argv[])
 {
-    long sc_page_size = sysconf(_SC_PAGESIZE);
-    if (sc_page_size < 0)
+#if defined(PLATFORM_LINUX)
+    long system_page_size = sysconf(_SC_PAGESIZE);
+    if (system_page_size < 0)
     {
         fprintf(stderr, "Unable to determine operating system page size.\n");
         return false;
     }
+#elif defined(PLATFORM_WINDOWS)
+    SYSTEM_INFO system_info = {0};
+    GetSystemInfo(&system_info);
+    unsigned long system_page_size = system_info.dwPageSize;
+#endif
 
-    System::page_size = (unsigned long)sc_page_size;
+    System::page_size = (unsigned long)system_page_size;
     System::page_size_log = 0u;
     System::page_offset_mask = System::page_size - 1u;
     System::page_base_mask = ~System::page_offset_mask;