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gdk_x11_display_get_monitor: fix monitor number test logic

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When asked for a nonexistent (positive) monitor number,
gdk_x11_display_get_monitor would (at best) return an uninitialized pointer,
instead of returning NULL.

https://gitlab.gnome.org/GNOME/gtk/merge_requests/107
This commit is contained in:
Sébastien Villemot 2018-04-09 15:36:36 +02:00 committed by Daniel Boles
parent 7a75b89efe
commit 59136773b8
1 changed files with 1 additions and 1 deletions
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2
gdk/x11/gdkdisplay-x11.c
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@ -3122,7 +3122,7 @@ gdk_x11_display_get_monitor (GdkDisplay *display,
{
GdkX11Display *x11_display = GDK_X11_DISPLAY (display);
if (0 <= monitor_num || monitor_num < x11_display->monitors->len)
if (0 <= monitor_num && monitor_num < x11_display->monitors->len)
return (GdkMonitor *)x11_display->monitors->pdata[monitor_num];
return NULL;