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cmd_results_to_json: return copied string and properly free the json

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The only user of this function would copy the string right away
to get rid of the const flag anyway, and freeing a const string
afterwards might work but is not meant to be done according to the
json-c API.
This commit is contained in:
Dominique Martinet 2018-07-05 07:07:59 +09:00
parent 9314c45c41
commit fe72e3b349
3 changed files with 8 additions and 9 deletions
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7
sway/ipc-server.c
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@ -481,11 +481,10 @@ void ipc_client_handle_command(struct ipc_client *client) {
case IPC_COMMAND:
{
struct cmd_results *results = execute_command(buf, NULL);
const char *json = cmd_results_to_json(results);
char reply[256];
int length = snprintf(reply, sizeof(reply), "%s", json);
char *json = cmd_results_to_json(results);
int length = strlen(json);
client_valid = ipc_send_reply(client, json, (uint32_t)length);
free(json);
client_valid = ipc_send_reply(client, reply, (uint32_t)length);
free_cmd_results(results);
goto exit_cleanup;
}