z_error_message->value.str.val[ZEND_ERROR_BUFFER_SIZE - 1] = '\0';
z_error_message->value.str.len = strlen(z_error_message->value.str.val);
#else
- strncpy(z_error_message->value.str.val, va_arg(format, char *), ZEND_ERROR_BUFFER_SIZE);
+ strncpy(z_error_message->value.str.val, format, ZEND_ERROR_BUFFER_SIZE);
z_error_message->value.str.val[ZEND_ERROR_BUFFER_SIZE - 1] = '\0';
z_error_message->value.str.len = strlen(z_error_message->value.str.val);
/* This is risky... */