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Add some X11 error checking.

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This commit is contained in:
Brandon Wright 2018-04-16 16:56:36 -05:00
parent c4f818599c
commit 6aa33c8710
1 changed files with 7 additions and 2 deletions
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9
gfx/common/x11_common.c
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@ -66,7 +66,7 @@ Display *g_x11_dpy = NULL;
unsigned g_x11_screen = 0;
Colormap g_x11_cmap;
Window g_x11_win;
Window g_x11_win = None;
static Atom XA_NET_WM_STATE;
static Atom XA_NET_WM_STATE_FULLSCREEN;
@ -242,7 +242,12 @@ float x11_get_refresh_rate(void *data)
int screenid;
int dotclock;
XGetWindowAttributes(g_x11_dpy, g_x11_win, &attr);
if (!g_x11_dpy || g_x11_win == None)
return 0.0f;
if (!XGetWindowAttributes(g_x11_dpy, g_x11_win, &attr))
return 0.0f;
screen = attr.screen;
screenid = XScreenNumberOfScreen(screen);