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bar config: fix uninitialized accesses on init error

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If init fails halfway through it will call the destroy function,
which needs some coherent stuff filled.
Allocate with calloc and fill in what cannot fail first

Found through static analysis.
This commit is contained in:
Dominique Martinet 2018-07-01 23:22:21 +09:00
parent e67c8cf1cb
commit 248ea93c1a
1 changed files with 14 additions and 5 deletions
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19
sway/config/bar.c
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@ -70,16 +70,12 @@ void free_bar_config(struct bar_config *bar) {
struct bar_config *default_bar_config(void) { struct bar_config *default_bar_config(void) {
struct bar_config *bar = NULL; struct bar_config *bar = NULL;
bar = malloc(sizeof(struct bar_config)); bar = calloc(1, sizeof(struct bar_config));
if (!bar) { if (!bar) {
return NULL; return NULL;
} }
if (!(bar->mode = strdup("dock"))) goto cleanup;
if (!(bar->hidden_state = strdup("hide"))) goto cleanup;
bar->outputs = NULL; bar->outputs = NULL;
bar->position = strdup("bottom"); bar->position = strdup("bottom");
if (!(bar->bindings = create_list())) goto cleanup;
if (!(bar->status_command = strdup("while :; do date +'%Y-%m-%d %l:%M:%S %p'; sleep 1; done"))) goto cleanup;
bar->pango_markup = false; bar->pango_markup = false;
bar->swaybar_command = NULL; bar->swaybar_command = NULL;
bar->font = NULL; bar->font = NULL;
@ -91,6 +87,19 @@ struct bar_config *default_bar_config(void) {
bar->binding_mode_indicator = true; bar->binding_mode_indicator = true;
bar->verbose = false; bar->verbose = false;
bar->pid = 0; bar->pid = 0;
if (!(bar->mode = strdup("dock"))) {
goto cleanup;
}
if (!(bar->hidden_state = strdup("hide"))) {
goto cleanup;
}
if (!(bar->bindings = create_list())) {
goto cleanup;
}
if (!(bar->status_command =
strdup("while date +'%Y-%m-%d %l:%M:%S %p'; do sleep 1; done"))) {
goto cleanup;
}
// set default colors // set default colors
if (!(bar->colors.background = strndup("#000000ff", 9))) { if (!(bar->colors.background = strndup("#000000ff", 9))) {
goto cleanup; goto cleanup;