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swaynag: die on all allocation failures

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Nihal Jere 2022-02-25 11:40:04 -06:00 • committed by Simon Zeni
parent 0ee54a5243
commit 061ffc30ea
3 changed files with 36 additions and 0 deletions
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19
swaynag/config.c
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@ -19,6 +19,10 @@ static char *read_from_stdin(void) {
ssize_t nread;
while ((nread = getline(&line, &line_size, stdin)) != -1) {
buffer = realloc(buffer, buffer_len + nread + 1);
if (!buffer) {
perror("realloc");
return NULL;
}
snprintf(&buffer[buffer_len], nread + 1, "%s", line);
buffer_len += nread;
}
@ -152,6 +156,10 @@ int swaynag_parse_options(int argc, char **argv, struct swaynag *swaynag,
}
struct swaynag_button *button;
button = calloc(sizeof(struct swaynag_button), 1);
if (!button) {
perror("calloc");
return EXIT_FAILURE;
}
button->text = strdup(optarg);
button->type = SWAYNAG_ACTION_COMMAND;
button->action = strdup(argv[optind]);
@ -215,6 +223,9 @@ int swaynag_parse_options(int argc, char **argv, struct swaynag *swaynag,
if (swaynag) {
free(swaynag->details.message);
swaynag->details.message = read_from_stdin();
if (!swaynag->details.message) {
return EXIT_FAILURE;
}
swaynag->details.button_up.text = strdup("▲");
swaynag->details.button_down.text = strdup("▼");
}
@ -406,6 +417,10 @@ int swaynag_load_config(char *path, struct swaynag *swaynag, list_t *types) {
break;
}
char *name = calloc(1, close - line);
if (!name) {
perror("calloc");
return EXIT_FAILURE;
}
strncat(name, line + 1, close - line - 1);
type = swaynag_type_get(types, name);
if (!type) {
@ -415,6 +430,10 @@ int swaynag_load_config(char *path, struct swaynag *swaynag, list_t *types) {
free(name);
} else {
char *flag = malloc(nread + 3);
if (!flag) {
perror("calloc");
return EXIT_FAILURE;
}
snprintf(flag, nread + 3, "--%s", line);
char *argv[] = {"swaynag", flag};
result = swaynag_parse_options(2, argv, swaynag, types, type,