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Fix potential null accesses

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Ashkan Kiani 2019-04-13 03:33:07 -07:00 committed by Drew DeVault
parent e7d6b8ec3e
commit 913445e112
2 changed files with 54 additions and 48 deletions
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90
sway/commands/move.c
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@ -311,37 +311,39 @@ static bool container_move_in_direction(struct sway_container *container,
while (current) { while (current) {
list_t *siblings = container_get_siblings(current); list_t *siblings = container_get_siblings(current);
enum sway_container_layout layout = container_parent_layout(current); if (siblings) {
int index = list_find(siblings, current); enum sway_container_layout layout = container_parent_layout(current);
int desired = index + offs; int index = list_find(siblings, current);
int desired = index + offs;
// Don't allow containers to move out of their // Don't allow containers to move out of their
// fullscreen or floating parent // fullscreen or floating parent
if (current->fullscreen_mode || container_is_floating(current)) { if (current->fullscreen_mode || container_is_floating(current)) {
return false; return false;
} }
if (is_parallel(layout, move_dir)) { if (is_parallel(layout, move_dir)) {
if (desired == -1 || desired == siblings->length) { if (desired == -1 || desired == siblings->length) {
if (current->parent == container->parent) { if (current->parent == container->parent) {
current = current->parent; current = current->parent;
continue; continue;
} else {
// Reparenting
if (current->parent) {
container_insert_child(current->parent, container,
index + (offs < 0 ? 0 : 1));
} else { } else {
workspace_insert_tiling(current->workspace, container, // Reparenting
index + (offs < 0 ? 0 : 1)); if (current->parent) {
container_insert_child(current->parent, container,
index + (offs < 0 ? 0 : 1));
} else {
workspace_insert_tiling(current->workspace, container,
index + (offs < 0 ? 0 : 1));
}
return true;
} }
} else {
// Container can move within its siblings
container_move_to_container_from_direction(container,
siblings->items[desired], move_dir);
return true; return true;
} }
} else {
// Container can move within its siblings
container_move_to_container_from_direction(container,
siblings->items[desired], move_dir);
return true;
} }
} }
@ -350,26 +352,28 @@ static bool container_move_in_direction(struct sway_container *container,
// Maybe rejigger the workspace // Maybe rejigger the workspace
struct sway_workspace *ws = container->workspace; struct sway_workspace *ws = container->workspace;
if (!is_parallel(ws->layout, move_dir)) { if (ws) {
workspace_rejigger(ws, container, move_dir); if (!is_parallel(ws->layout, move_dir)) {
return true; workspace_rejigger(ws, container, move_dir);
} else if (ws->layout == L_TABBED || ws->layout == L_STACKED) { return true;
workspace_rejigger(ws, container, move_dir); } else if (ws->layout == L_TABBED || ws->layout == L_STACKED) {
return true; workspace_rejigger(ws, container, move_dir);
} return true;
// Try adjacent output
struct sway_output *output =
output_get_in_direction(container->workspace->output, move_dir);
if (output) {
struct sway_workspace *ws = output_get_active_workspace(output);
if (!sway_assert(ws, "Expected output to have a workspace")) {
return false;
} }
container_move_to_workspace_from_direction(container, ws, move_dir);
return true; // Try adjacent output
struct sway_output *output =
output_get_in_direction(container->workspace->output, move_dir);
if (output) {
struct sway_workspace *ws = output_get_active_workspace(output);
if (!sway_assert(ws, "Expected output to have a workspace")) {
return false;
}
container_move_to_workspace_from_direction(container, ws, move_dir);
return true;
}
sway_log(SWAY_DEBUG, "Hit edge of output, nowhere else to go");
} }
sway_log(SWAY_DEBUG, "Hit edge of output, nowhere else to go");
return false; return false;
} }

12
sway/input/seat.c
View file

@ -1194,11 +1194,13 @@ void seat_consider_warp_to_focus(struct sway_seat *seat) {
} }
if (config->mouse_warping == WARP_OUTPUT) { if (config->mouse_warping == WARP_OUTPUT) {
struct sway_output *output = node_get_output(focus); struct sway_output *output = node_get_output(focus);
struct wlr_box box; if (output) {
output_get_box(output, &box); struct wlr_box box;
if (wlr_box_contains_point(&box, output_get_box(output, &box);
seat->cursor->cursor->x, seat->cursor->cursor->y)) { if (wlr_box_contains_point(&box,
return; seat->cursor->cursor->x, seat->cursor->cursor->y)) {
return;
}
} }
} }