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X11: Fix returned clipboard string freed too early

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The clipboard string should not be freed on SelectionClear.  The user
may have received it from glfwGetClipboardString and it should remain
valid until the next call to a public clipboard string function.

(cherry picked from commit f60547ac80)
This commit is contained in:
Camilla Löwy 2022-04-18 23:21:40 +02:00
parent bf5529512c
commit 946312fe93
1 changed files with 1 additions and 24 deletions
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25
src/x11_window.c
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@ -929,20 +929,6 @@ static Atom writeTargetToProperty(const XSelectionRequestEvent* request)
return None;
}
static void handleSelectionClear(XEvent* event)
{
if (event->xselectionclear.selection == _glfw.x11.PRIMARY)
{
free(_glfw.x11.primarySelectionString);
_glfw.x11.primarySelectionString = NULL;
}
else
{
free(_glfw.x11.clipboardString);
_glfw.x11.clipboardString = NULL;
}
}
static void handleSelectionRequest(XEvent* event)
{
const XSelectionRequestEvent* request = &event->xselectionrequest;
@ -1236,12 +1222,7 @@ static void processEvent(XEvent *event)
return;
}
if (event->type == SelectionClear)
{
handleSelectionClear(event);
return;
}
else if (event->type == SelectionRequest)
if (event->type == SelectionRequest)
{
handleSelectionRequest(event);
return;
@ -1946,10 +1927,6 @@ void _glfwPushSelectionToManagerX11(void)
handleSelectionRequest(&event);
break;
case SelectionClear:
handleSelectionClear(&event);
break;
case SelectionNotify:
{
if (event.xselection.target == _glfw.x11.SAVE_TARGETS)