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avoid allocating a new win struct if possible

This commit is contained in:
Christopher Jeffrey 2012-09-08 21:13:56 -05:00
parent 02e2deea54
commit eb3b13145d
1 changed files with 4 additions and 5 deletions
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9
src/compton.c
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@ -1573,16 +1573,15 @@ set_opacity(Display *dpy, win *w, unsigned long opacity) {
static void static void
add_win(Display *dpy, Window id, Window prev, Bool override_redirect) { add_win(Display *dpy, Window id, Window prev, Bool override_redirect) {
if (find_win(dpy, id)) {
return;
}
win *new = malloc(sizeof(win)); win *new = malloc(sizeof(win));
win **p; win **p;
if (!new) return; if (!new) return;
if (find_win(dpy, id)) {
free(new);
return;
}
if (prev) { if (prev) {
for (p = &list; *p; p = &(*p)->next) { for (p = &list; *p; p = &(*p)->next) {
if ((*p)->id == prev && !(*p)->destroyed) if ((*p)->id == prev && !(*p)->destroyed)