Aric Stewart : user: GetClipboardFormatNameA fix.

[Alexandre Julliard]

Module: wine
Branch: refs/heads/master
Commit: c50fbab47f99a5787e29892fce6686c5eb92939c
URL:    http://source.winehq.org/git/?p=wine.git;a=commit;h=c50fbab47f99a5787e29892f...

Author: Aric Stewart 
Date:   Wed Dec 14 10:49:54 2005 +0100

user: GetClipboardFormatNameA fix.
In the W->A translation make sure we have characters to translate
before doing the WideCharToMultiByte with -1.

---

dlls/user/clipboard.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/user/clipboard.c b/dlls/user/clipboard.c
index 5a51f01..2e54f76 100644
--- a/dlls/user/clipboard.c
+++ b/dlls/user/clipboard.c
@@ -271,7 +271,7 @@ INT WINAPI GetClipboardFormatNameA(UINT

ret = GetClipboardFormatNameW( wFormat, p, maxlen );

-    if (maxlen > 0 && !WideCharToMultiByte( CP_ACP, 0, p, -1, retStr, maxlen, 0, 0))
+    if (ret && maxlen > 0 && !WideCharToMultiByte( CP_ACP, 0, p, -1, retStr, maxlen, 0, 0))
         retStr[maxlen-1] = 0;
     HeapFree( GetProcessHeap(), 0, p );
     return ret;