LTTNG_HIDDEN
int lttng_check_tracing_group(void)
{
- struct group *grp_tracing; /* no free(). See getgrnam(3) */
- gid_t *grp_list;
+ gid_t *grp_list, tracing_gid;
int grp_list_size, grp_id, i;
int ret = -1;
const char *grp_name = tracing_group;
/* Get GID of group 'tracing' */
- grp_tracing = getgrnam(grp_name);
- if (!grp_tracing) {
+ if (utils_get_group_id(grp_name, false, &tracing_gid)) {
/* If grp_tracing is NULL, the group does not exist. */
goto end;
}
}
for (i = 0; i < grp_list_size; i++) {
- if (grp_list[i] == grp_tracing->gr_gid) {
+ if (grp_list[i] == tracing_gid) {
ret = 1;
break;
}
unsigned int free_filter_expression = 0;
struct filter_parser_ctx *ctx = NULL;
- memset(&send_buffer, 0, sizeof(send_buffer));
+ /*
+ * We have either a filter or some exclusions, so we need to set up
+ * a variable-length memory block from where to send the data.
+ */
+ lttng_dynamic_buffer_init(&send_buffer);
/*
* Cast as non-const since we may replace the filter expression
lsm.u.enable.exclusion_count = exclusion_count;
lsm.u.enable.bytecode_len = 0;
- /*
- * We have either a filter or some exclusions, so we need to set up
- * a variable-length memory block from where to send the data.
- */
- lttng_dynamic_buffer_init(&send_buffer);
-
/* Parse filter expression. */
if (filter_expression != NULL || handle->domain.type == LTTNG_DOMAIN_JUL
|| handle->domain.type == LTTNG_DOMAIN_LOG4J
lsm.cmd_type = LTTNG_LIST_SESSIONS;
ret = lttng_ctl_ask_sessiond(&lsm, (void**) &sessions);
if (ret <= 0) {
- ret = ret == 0 ? -LTTNG_ERR_FATAL : ret;
goto end;
}
if (!sessions) {