Alistair Leslie-Hughes : regedit: Grow the buffer when modifying a DWORD value.
Alexandre Julliard
julliard at winehq.org
Thu Mar 21 17:21:19 CDT 2019
Module: wine
Branch: master
Commit: 75d8081dc6c6dda04f583c01c301e3c7b8087904
URL: https://source.winehq.org/git/wine.git/?a=commit;h=75d8081dc6c6dda04f583c01c301e3c7b8087904
Author: Alistair Leslie-Hughes <leslie_alistair at hotmail.com>
Date: Wed Mar 20 21:53:19 2019 +0000
regedit: Grow the buffer when modifying a DWORD value.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=19098
Signed-off-by: Alistair Leslie-Hughes <leslie_alistair at hotmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
programs/regedit/edit.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/programs/regedit/edit.c b/programs/regedit/edit.c
index a3cf17b..5f2cc52 100644
--- a/programs/regedit/edit.c
+++ b/programs/regedit/edit.c
@@ -283,7 +283,9 @@ BOOL ModifyValue(HWND hwnd, HKEY hKeyRoot, LPCWSTR keyPath, LPCWSTR valueName)
}
} else if ( type == REG_DWORD ) {
static const WCHAR x[] = {'%','x',0};
- wsprintfW(stringValueData, x, *((DWORD*)stringValueData));
+ DWORD value = *((DWORD*)stringValueData);
+ stringValueData = heap_xrealloc(stringValueData, 64);
+ wsprintfW(stringValueData, x, value);
if (DialogBoxW(0, MAKEINTRESOURCEW(IDD_EDIT_DWORD), hwnd, modify_dlgproc) == IDOK) {
DWORD val;
CHAR* valueA = GetMultiByteString(stringValueData);
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