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Handle allocation failure in commands

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This commit is contained in:
Drew DeVault 2016-12-15 17:39:09 -05:00
parent 8691ff1b63
commit 248df18c24
11 changed files with 78 additions and 16 deletions
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9
sway/commands/bar.c
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@ -32,6 +32,9 @@ struct cmd_results *cmd_bar(int argc, char **argv) {
// Create new bar with default values
struct bar_config *bar = default_bar_config();
if (!bar) {
return cmd_results_new(CMD_FAILURE, "bar", "Unable to allocate bar state");
}
// set bar id
int i;
@ -39,7 +42,11 @@ struct cmd_results *cmd_bar(int argc, char **argv) {
if (bar == config->bars->items[i]) {
const int len = 5 + numlen(i); // "bar-" + i + \0
bar->id = malloc(len * sizeof(char));
snprintf(bar->id, len, "bar-%d", i);
if (bar->id) {
snprintf(bar->id, len, "bar-%d", i);
} else {
return cmd_results_new(CMD_FAILURE, "bar", "Unable to allocate bar ID");
}
break;
}
}