commit 8481c8df81b1797d6413071e1fcec63880448bc4
author Rein Klazes <wijn@wanadoo.nl> Tue May 24 12:50:24 2005 +0000
committer Alexandre Julliard <julliard@winehq.org> Tue May 24 12:50:24 2005 +0000
tree 067401a71cf3352e0976615b39d4f10381e0a448
parent 97d1b11ebd67c2a795b62f054503270268c105b3

Work around a problem where WriteFile is asked to write memory
protected by DIBSection code.

dlls/kernel/file.c

diff --git a/dlls/kernel/file.c b/dlls/kernel/file.c
index 5242885..2e4efd9 100644
--- a/dlls/kernel/file.c
+++ b/dlls/kernel/file.c
@@ -451,6 +451,16 @@
     status = NtWriteFile(hFile, hEvent, NULL, NULL, piosb,
                          buffer, bytesToWrite, poffset, NULL);
 
+    /* FIXME: NtWriteFile does not always cause page faults, generate them now */
+    if (status == STATUS_INVALID_USER_BUFFER && !IsBadReadPtr( buffer, bytesToWrite ))
+    {
+        status = NtWriteFile(hFile, hEvent, NULL, NULL, piosb,
+                             buffer, bytesToWrite, poffset, NULL);
+        if (status != STATUS_INVALID_USER_BUFFER)
+            FIXME("Could not access memory (%p,%ld) at first, now OK. Protected by DIBSection code?\n",
+                  buffer, bytesToWrite);
+    }
+
     if (status != STATUS_PENDING && bytesWritten)
         *bytesWritten = piosb->Information;