Marcus Meissner : winedbg: Check for buffer being NULL.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 102a3b9892cc4253aee595c915673cf537d15cb5
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=102a3b9892cc4253aee595c915...

Author: Marcus Meissner 
Date:   Sat Jan 31 19:53:19 2009 +0100

winedbg: Check for buffer being NULL.

---

programs/winedbg/symbol.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/programs/winedbg/symbol.c b/programs/winedbg/symbol.c
index c4b09a3..03efac1 100644
--- a/programs/winedbg/symbol.c
+++ b/programs/winedbg/symbol.c
@@ -102,7 +102,7 @@ static BOOL fill_sym_lvalue(const SYMBOL_INFO* sym, ULONG base,
          */
         if (!types_get_info(&type, TI_GET_VALUE, &v) || (v.n1.n2.vt & VT_BYREF))
         {
-            snprintf(buffer, sz, "Couldn't dereference pointer for const value");
+            if (buffer) snprintf(buffer, sz, "Couldn't dereference pointer for const value");
             return FALSE;
         }
         pdw = (DWORD*)lexeme_alloc_size(sizeof(*pdw));