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user32: Call the EnumChildWindows callback using a wrapper. 

Signed-off-by: Dmitry Timoshkov <dmitry@baikal.ru>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Dmitry Timoshkov 2015-12-09 13:11:16 +08:00 committed by Alexandre Julliard
parent e5ef460d7d
commit b08c400fe2
1 changed files with 26 additions and 1 deletions
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27
dlls/user32/win.c
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@ -3356,6 +3356,31 @@ BOOL WINAPI EnumDesktopWindows( HDESK desktop, WNDENUMPROC func, LPARAM lparam )
}
#ifdef __i386__
/* Some apps pass a non-stdcall proc to EnumChildWindows,
* so we need a small assembly wrapper to call the proc.
*/
extern LRESULT enum_callback_wrapper( WNDENUMPROC proc, HWND hwnd, LPARAM lparam );
__ASM_GLOBAL_FUNC( enum_callback_wrapper,
"pushl %ebp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
__ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
"movl %esp,%ebp\n\t"
__ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
"pushl 16(%ebp)\n\t"
"pushl 12(%ebp)\n\t"
"call *8(%ebp)\n\t"
"leave\n\t"
__ASM_CFI(".cfi_def_cfa %esp,4\n\t")
__ASM_CFI(".cfi_same_value %ebp\n\t")
"ret" )
#else
static inline LRESULT enum_callback_wrapper( WNDENUMPROC proc, HWND hwnd, LPARAM lparam )
{
return proc( hwnd, lparam );
}
#endif /* __i386__ */
/**********************************************************************
* WIN_EnumChildWindows
*
@ -3373,7 +3398,7 @@ static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
/* Build children list first */
childList = WIN_ListChildren( *list );
ret = func( *list, lParam );
ret = enum_callback_wrapper( func, *list, lParam );
if (childList)
{