Function tr2_load_env_vars

trace2/tr2_cfg.c:49–64

* Parse a string containing a comma-delimited list of environment variable * names into a string list. */

 * names into a string list.
 */
static size_t tr2_load_env_vars(void)
{
	const char *varlist;

	if (tr2_cfg_env_vars_loaded)
		return tr2_cfg_env_vars.nr;
	tr2_cfg_env_vars_loaded = 1;

	varlist = tr2_sysenv_get(TR2_SYSENV_ENV_VARS);
	if (!varlist || !*varlist)
		return tr2_cfg_env_vars.nr;

	string_list_split_f(&tr2_cfg_env_vars, varlist, ",", -1,
			    STRING_LIST_SPLIT_TRIM);
	return tr2_cfg_env_vars.nr;
}

void tr2_cfg_free_env_vars(void)
{