Function sysctl_debug_ddb_scripting_script

freebsd/ddb/db_script.c:504–536

    "List of defined scripts");

static int
sysctl_debug_ddb_scripting_script(SYSCTL_HANDLER_ARGS)
{
	char *buffer, *script, *scriptname;
	int error, len;

	/*
	 * Maximum length for an input string is DB_MAXSCRIPTNAME + '='
	 * symbol + DB_MAXSCRIPT.
	 */
	len = DB_MAXSCRIPTNAME + DB_MAXSCRIPTLEN + 1;
	buffer = malloc(len, M_TEMP, M_WAITOK | M_ZERO);
	error = sysctl_handle_string(oidp, buffer, len, req);
	if (error)
		goto out;

	/*
	 * Argument will be in form scriptname=script, so split into the
	 * scriptname and script.
	 */
	script = buffer;
	scriptname = strsep(&script, "=");
	if (script == NULL) {
		error = EINVAL;
		goto out;
	}
	mtx_lock(&db_script_mtx);
	error = db_script_set(scriptname, script);
	mtx_unlock(&db_script_mtx);
out:
	free(buffer, M_TEMP);
	return (error);
}
SYSCTL_PROC(_debug_ddb_scripting, OID_AUTO, script,
    CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 0,
    sysctl_debug_ddb_scripting_script, "A",