[PATCH] winedbg: Fix crash when no process attached in 'info wnd' command
Eric Pouech
eric.pouech at gmail.com
Fri Jul 2 02:43:32 CDT 2021
Ensure that ADDRSIZE and ADDRWIDTH macros can be used even when WineDbg
isn't attached to any process, by providing a default value.
Use case:
wine programs/winedbg/winedbg.exe.so
info wnd
was simply crashing.
(fixes #BZ49625 https://bugs.winehq.org/show_bug.cgi?id=49625)
Signed-off-by: Eric Pouech <eric.pouech at gmail.com>
---
programs/winedbg/debugger.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/programs/winedbg/debugger.h b/programs/winedbg/debugger.h
index b7c765ac545..3733e1b410f 100644
--- a/programs/winedbg/debugger.h
+++ b/programs/winedbg/debugger.h
@@ -39,7 +39,7 @@
#include "oaidl.h"
#include <wine/list.h>
-#define ADDRSIZE (dbg_curr_process->be_cpu->pointer_size)
+#define ADDRSIZE (dbg_curr_process ? dbg_curr_process->be_cpu->pointer_size : (int)sizeof(void*))
#define ADDRWIDTH (ADDRSIZE * 2)
/* the debugger uses these exceptions for its internal use */
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