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winex11: Added an error handler to catch bad atoms in clipboard selections.

This commit is contained in:
Alexandre Julliard 2008-04-09 20:09:40 +02:00
parent 10629e233d
commit 704ac5a51e
1 changed files with 13 additions and 8 deletions
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21
dlls/winex11.drv/clipboard.c
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@ -1728,6 +1728,11 @@ static BOOL X11DRV_CLIPBOARD_QueryTargets(Display *display, Window w, Atom selec
}
static int is_atom_error( Display *display, XErrorEvent *event, void *arg )
{
return (event->error_code == BadAtom);
}
/**************************************************************************
* X11DRV_CLIPBOARD_InsertSelectionProperties
*
@ -1759,7 +1764,7 @@ static VOID X11DRV_CLIPBOARD_InsertSelectionProperties(Display *display, Atom* p
lpFormat = X11DRV_CLIPBOARD_LookupProperty(lpFormat, properties[i]);
}
}
else
else if (properties[i])
{
/* add it to the list of atoms that we don't know about yet */
if (!atoms) atoms = HeapAlloc( GetProcessHeap(), 0,
@ -1774,13 +1779,13 @@ static VOID X11DRV_CLIPBOARD_InsertSelectionProperties(Display *display, Atom* p
char **names = HeapAlloc( GetProcessHeap(), 0, nb_atoms * sizeof(*names) );
if (names)
{
wine_tsx11_lock();
/* FIXME: we're at the mercy of the app sending the event here.
* Currently if they send a bogus atom, we will crash.
* We should handle BadAtom errors gracefully in this call.
*/
XGetAtomNames( display, atoms, nb_atoms, names );
wine_tsx11_unlock();
X11DRV_expect_error( display, is_atom_error, NULL );
if (!XGetAtomNames( display, atoms, nb_atoms, names )) nb_atoms = 0;
if (X11DRV_check_error())
{
WARN( "got some bad atoms, ignoring\n" );
nb_atoms = 0;
}
for (i = 0; i < nb_atoms; i++)
{
WINE_CLIPFORMAT *lpFormat;