From c00faae26370682c307cfb107b12123d10d49053 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Leonardo=20Hern=C3=A1ndez=20Hern=C3=A1ndez?= Date: Wed, 7 Sep 2022 23:04:18 -0500 Subject: fix various segfaults when selmon is NULL --- dwl.c | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) diff --git a/dwl.c b/dwl.c index 3538cf3..0bb551e 100644 --- a/dwl.c +++ b/dwl.c @@ -880,7 +880,10 @@ createlayersurface(struct wl_listener *listener, void *data) struct wlr_layer_surface_v1_state old_state; if (!wlr_layer_surface->output) - wlr_layer_surface->output = selmon->wlr_output; + wlr_layer_surface->output = selmon ? selmon->wlr_output : NULL; + + if (!wlr_layer_surface->output) + wlr_layer_surface_v1_destroy(wlr_layer_surface); layersurface = ecalloc(1, sizeof(LayerSurface)); layersurface->type = LayerShell; @@ -1269,6 +1272,8 @@ fullscreennotify(struct wl_listener *listener, void *data) void incnmaster(const Arg *arg) { + if (!arg || !selmon) + return; selmon->nmaster = MAX(selmon->nmaster + arg->i, 0); arrange(selmon); } @@ -1948,6 +1953,8 @@ setfullscreen(Client *c, int fullscreen) void setlayout(const Arg *arg) { + if (!selmon) + return; if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt]) selmon->sellt ^= 1; if (arg && arg->v) @@ -1963,7 +1970,7 @@ setmfact(const Arg *arg) { float f; - if (!arg || !selmon->lt[selmon->sellt]->arrange) + if (!arg || !selmon || !selmon->lt[selmon->sellt]->arrange) return; f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0; if (f < 0.1 || f > 0.9) @@ -2250,9 +2257,8 @@ void tagmon(const Arg *arg) { Client *sel = selclient(); - if (!sel) - return; - setmon(sel, dirtomon(arg->i), 0); + if (sel) + setmon(sel, dirtomon(arg->i), 0); } void @@ -2324,7 +2330,7 @@ toggletag(const Arg *arg) void toggleview(const Arg *arg) { - unsigned int newtagset = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK); + unsigned int newtagset = selmon ? selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK) : 0; if (newtagset) { selmon->tagset[selmon->seltags] = newtagset; @@ -2445,7 +2451,7 @@ urgent(struct wl_listener *listener, void *data) void view(const Arg *arg) { - if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags]) + if (selmon && (arg->ui & TAGMASK) == selmon->tagset[selmon->seltags]) return; selmon->seltags ^= 1; /* toggle sel tagset */ if (arg->ui & TAGMASK) @@ -2507,7 +2513,7 @@ zoom(const Arg *arg) { Client *c, *sel = selclient(); - if (!sel || !selmon->lt[selmon->sellt]->arrange || sel->isfloating) + if (!sel || !selmon || !selmon->lt[selmon->sellt]->arrange || sel->isfloating) return; /* Search for the first tiled window that is not sel, marking sel as -- cgit v1.2.3