avoid allocating a new win struct if possible
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02e2deea54
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@ -1573,16 +1573,15 @@ set_opacity(Display *dpy, win *w, unsigned long opacity) {
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static void
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add_win(Display *dpy, Window id, Window prev, Bool override_redirect) {
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if (find_win(dpy, id)) {
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return;
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}
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win *new = malloc(sizeof(win));
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win **p;
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if (!new) return;
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if (find_win(dpy, id)) {
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free(new);
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return;
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}
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if (prev) {
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for (p = &list; *p; p = &(*p)->next) {
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if ((*p)->id == prev && !(*p)->destroyed)
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