Jon Griffiths : oleaut32: Fix memcpy overlapping ranges in SysReAllocStringLen.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 8c16ae7a7f89fbf4f07211122b89ebe5fab9942c
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=8c16ae7a7f89fbf4f07211122b...

Author: Jon Griffiths <jon_p_griffiths(a)yahoo.com>
Date:   Sun Jul  6 08:42:27 2008 -0700

oleaut32: Fix memcpy overlapping ranges in SysReAllocStringLen.

---

 dlls/oleaut32/oleaut.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/oleaut32/oleaut.c b/dlls/oleaut32/oleaut.c
index 9fdac76..9884416 100644
--- a/dlls/oleaut32/oleaut.c
+++ b/dlls/oleaut32/oleaut.c
@@ -287,7 +287,7 @@ BSTR WINAPI SysAllocStringLen(const OLECHAR *str, unsigned int len)
  *
  * NOTES
  *  See BSTR(), SysAllocStringByteLen().
- *  *pbstr may be changed by this function.
+ *  *old may be changed by this function.
  */
 int WINAPI SysReAllocStringLen(BSTR* old, const OLECHAR* str, unsigned int len)
 {
@@ -301,7 +301,7 @@ int WINAPI SysReAllocStringLen(BSTR* old, const OLECHAR* str, unsigned int len)
       *old = (BSTR)(ptr+1);
       *ptr = newbytelen;
       if (str) {
-        memcpy(*old, str, newbytelen);
+        memmove(*old, str, newbytelen);
         (*old)[len] = 0;
       } else {
 	/* Subtle hidden feature: The old string data is still there