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output: apply oc to outputs using wl_for_each_safe 

If applying an output config to an output fails, the output may be
destroyed. To be able to handle this situation correctly,
apply_output_config_to_outputs needs to use wl_list_for_each_safe.
This commit is contained in:
Brian Ashworth 2020-01-16 21:26:15 -05:00 committed by Drew DeVault
parent 162743da85
commit 0bc8d01b1c
1 changed files with 2 additions and 2 deletions
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4
sway/config/output.c
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@ -550,8 +550,8 @@ void apply_output_config_to_outputs(struct output_config *oc) {
// will be applied during normal "new output" event from wlroots.
bool wildcard = strcmp(oc->name, "*") == 0;
char id[128];
struct sway_output *sway_output;
wl_list_for_each(sway_output, &root->all_outputs, link) {
struct sway_output *sway_output, *tmp;
wl_list_for_each_safe(sway_output, tmp, &root->all_outputs, link) {
char *name = sway_output->wlr_output->name;
output_get_identifier(id, sizeof(id), sway_output);
if (wildcard || !strcmp(name, oc->name) || !strcmp(id, oc->name)) {