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Merge pull request #2501 from RedSoxFan/fix-bad-free-swaynag

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Fix bad-free in swaynag
This commit is contained in:
Drew DeVault 2018-08-20 15:21:34 -04:00 committed by GitHub
parent 881f729af9 f0d21c46dd
commit 99631c5050
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 12 additions and 9 deletions
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2
include/swaynag/swaynag.h
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@ -58,7 +58,7 @@ struct swaynag_details {
int offset;
int visible_lines;
int total_lines;
struct swaynag_button button_details;
struct swaynag_button *button_details;
struct swaynag_button button_up;
struct swaynag_button button_down;
};

4
swaynag/config.c
View file

@ -180,8 +180,8 @@ int swaynag_parse_options(int argc, char **argv, struct swaynag *swaynag,
break;
case 'L': // Detailed Button Text
if (swaynag) {
free(swaynag->details.button_details.text);
swaynag->details.button_details.text = strdup(optarg);
free(swaynag->details.button_details->text);
swaynag->details.button_details->text = strdup(optarg);
}
break;
case 'm': // Message

15
swaynag/main.c
View file

@ -34,9 +34,10 @@ int main(int argc, char **argv) {
button_close->type = SWAYNAG_ACTION_DISMISS;
list_add(swaynag.buttons, button_close);
swaynag.details.button_details.text = strdup("Toggle Details");
swaynag.details.button_details.type = SWAYNAG_ACTION_EXPAND;
swaynag.details.button_details =
calloc(sizeof(struct swaynag_button), 1);
swaynag.details.button_details->text = strdup("Toggle Details");
swaynag.details.button_details->type = SWAYNAG_ACTION_EXPAND;
char *config_path = NULL;
bool debug = false;
@ -99,9 +100,10 @@ int main(int argc, char **argv) {
swaynag_types_free(types);
if (swaynag.details.message) {
list_add(swaynag.buttons, &swaynag.details.button_details);
list_add(swaynag.buttons, swaynag.details.button_details);
} else {
free(swaynag.details.button_details.text);
free(swaynag.details.button_details->text);
free(swaynag.details.button_details);
}
wlr_log(WLR_DEBUG, "Output: %s", swaynag.type->output);
@ -123,7 +125,8 @@ int main(int argc, char **argv) {
cleanup:
swaynag_types_free(types);
free(swaynag.details.button_details.text);
free(swaynag.details.button_details->text);
free(swaynag.details.button_details);
swaynag_destroy(&swaynag);
return exit_code;
}