Function args_init

components/lwp/lwp_args.c:243–269

* @brief implementation for initializing a light-weight process arguments info structure * * @param[in,out] ai Pointer to the arguments info structure to initialize * @param[in] str_buf_size Size of the string buffer to allocate * * @return rt_err_t * - RT_EOK on successful initialization * - -RT_ENOMEM if memory allocation fails */

 *   - -RT_ENOMEM if memory allocation fails
 */
static rt_err_t args_init(struct lwp_args_info *ai, size_t str_buf_size)
{
    void *str_buf;
    str_buf = rt_malloc(str_buf_size);
    if (!str_buf)
        return -RT_ENOMEM;

    memset(ai, 0, sizeof(*ai));

    _strvec_init(&ai->argv);
    if (!ai->argv.strvec)
    {
        rt_free(str_buf);
        return -RT_ENOMEM;
    }
    _strvec_init(&ai->envp);
    if (!ai->envp.strvec)
    {
        rt_free(str_buf);
        _strvec_detach(&ai->argv);
        return -RT_ENOMEM;
    }

    ai->str_buf_size = str_buf_size;
    ai->str_buf = str_buf;
    return RT_EOK;
}

#define STR_BUF_DEFAULT_SIZE 2048