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sprinkle more if p == null return.

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we should audit all functions for this.
This commit is contained in:
Marco Peereboom 2009-10-08 04:50:27 +00:00
parent db031f1cc5
commit f0c9f65a11
1 changed files with 14 additions and 1 deletions
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15
scrotwm.c
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@ -997,6 +997,9 @@ client_msg(struct ws_win *win, Atom a)
{
XClientMessageEvent cm;
if (win == NULL)
return;
bzero(&cm, sizeof cm);
cm.type = ClientMessage;
cm.window = win->id;
@ -1014,6 +1017,10 @@ config_win(struct ws_win *win)
DNPRINTF(SWM_D_MISC, "config_win: win %lu x %d y %d w %d h %d\n",
win->id, win->g.x, win->g.y, win->g.w, win->g.h);
if (win == NULL)
return;
ce.type = ConfigureNotify;
ce.display = display;
ce.event = win->id;
@ -1123,6 +1130,9 @@ fake_keypress(struct ws_win *win, int keysym, int modifiers)
{
XKeyEvent event;
if (win == NULL)
return;
event.display = display; /* Ignored, but what the hell */
event.window = win->id;
event.root = win->s->root;
@ -1261,7 +1271,8 @@ unfocus_win(struct ws_win *win)
{
if (win == NULL)
return;
if (win->ws == NULL)
return;
if (win->ws->r == NULL)
return;
@ -1296,6 +1307,8 @@ focus_win(struct ws_win *win)
if (win == NULL)
return;
if (win->ws == NULL)
return;
/* use big hammer to make sure it works under all use cases */
unfocus_all();