kernel32: add more tracing to GetDiskFreeSpaceW

[Austin English]

http://bugs.winehq.org/show_bug.cgi?id=30592

-- 
-Austin
-------------- next part --------------
diff --git a/dlls/kernel32/volume.c b/dlls/kernel32/volume.c
index 23bcca1..0d1df5f 100644
--- a/dlls/kernel32/volume.c
+++ b/dlls/kernel32/volume.c
@@ -1652,6 +1652,7 @@ BOOL WINAPI GetDiskFreeSpaceW( LPCWSTR root, LPDWORD cluster_sectors,
     NTSTATUS status;
     HANDLE handle;
     UINT units;
+    int capped = 0;
 
     TRACE( "%s,%p,%p,%p,%p\n", debugstr_w(root),
            cluster_sectors, sector_bytes, free_clusters, total_clusters );
@@ -1670,6 +1671,7 @@ BOOL WINAPI GetDiskFreeSpaceW( LPCWSTR root, LPDWORD cluster_sectors,
 
     if( GetVersion() & 0x80000000) {    /* win3.x, 9x, ME */
         /* cap the size and available at 2GB as per specs */
+        capped = 1;
         if (info.TotalAllocationUnits.QuadPart * units > 0x7fffffff) {
             info.TotalAllocationUnits.QuadPart = 0x7fffffff / units;
             if (info.AvailableAllocationUnits.QuadPart * units > 0x7fffffff)
@@ -1687,6 +1689,8 @@ BOOL WINAPI GetDiskFreeSpaceW( LPCWSTR root, LPDWORD cluster_sectors,
     if (sector_bytes) *sector_bytes = info.BytesPerSector;
     if (free_clusters) *free_clusters = info.AvailableAllocationUnits.u.LowPart;
     if (total_clusters) *total_clusters = info.TotalAllocationUnits.u.LowPart;
+    TRACE("%u, %u, %u, %u, capped=%d\n", cluster_sectors ? *cluster_sectors : 0, sector_bytes ? *sector_bytes : 0,
+                              free_clusters ? *free_clusters : 0, total_clusters ? *total_clusters : 0, capped);
     return TRUE;
 }