From 441e316f0e002b31b450367e7f68844c11a47fb9 Mon Sep 17 00:00:00 2001
From: janbodnar <jan.bodnar@gmail.com>
Date: Sun, 31 Jan 2016 13:57:48 +0100
Subject: [PATCH] Create free_disk_space.c

---
 system/free_disk_space.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 system/free_disk_space.c

diff --git a/system/free_disk_space.c b/system/free_disk_space.c
new file mode 100644
index 0000000..bd0f5e1
--- /dev/null
+++ b/system/free_disk_space.c
@@ -0,0 +1,23 @@
+#include <windows.h>
+#include <wchar.h>
+
+int wmain(void) {
+
+    unsigned __int64 FreeBytesToCaller,
+                     TotalBytes,
+                     FreeBytes;
+
+    int r = GetDiskFreeSpaceExW(L"C:\\", (PULARGE_INTEGER) &FreeBytesToCaller,
+       (PULARGE_INTEGER) &TotalBytes, (PULARGE_INTEGER) &FreeBytes);
+
+    if (r == 0) {
+        wprintf(L"Failed to get free disk space %ld", GetLastError());
+        return 1;
+    }	
+
+    wprintf(L"Available space to caller: %I64u MB\n", FreeBytesToCaller / (1024*1024));
+    wprintf(L"Total space: %I64u MB\n", TotalBytes / (1024*1024));
+    wprintf(L"Free space on drive: %I64u MB\n", FreeBytes / (1024*1024));
+    
+    return 0;
+}