Bruno Jesus : ole32: Avoid a possible null dereference.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 959ca6ac0264e5a285d1360598cb813b1956a4cd
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=959ca6ac0264e5a285d1360598cb813b1956a4cd

Author: Bruno Jesus <00cpxxx at gmail.com>
Date:   Thu Nov 13 22:13:40 2014 -0200

ole32: Avoid a possible null dereference.

---

 dlls/ole32/clipboard.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/dlls/ole32/clipboard.c b/dlls/ole32/clipboard.c
index 6404f36..0c3be3b 100644
--- a/dlls/ole32/clipboard.c
+++ b/dlls/ole32/clipboard.c
@@ -210,13 +210,11 @@ UINT ole_private_data_clipboard_format = 0;
 
 static UINT wine_marshal_clipboard_format;
 
-static inline char *dump_fmtetc(FORMATETC *fmt)
+static inline const char *dump_fmtetc(FORMATETC *fmt)
 {
-    static char buf[100];
-
-    snprintf(buf, sizeof(buf), "cf %04x ptd %p aspect %x lindex %d tymed %x",
-             fmt->cfFormat, fmt->ptd, fmt->dwAspect, fmt->lindex, fmt->tymed);
-    return buf;
+    if (!fmt) return "(null)";
+    return wine_dbg_sprintf("cf %04x ptd %p aspect %x lindex %d tymed %x",
+                            fmt->cfFormat, fmt->ptd, fmt->dwAspect, fmt->lindex, fmt->tymed);
 }
 
 /*---------------------------------------------------------------------*