[PATCH] gunzip: Implement chunked decompression

Marek Vasut marek.vasut at mailbox.org
Thu Feb 5 01:01:45 CET 2026


On 2/4/26 1:42 AM, Simon Glass wrote:

Hello Simon,

>>>> +       /* Test various sizes of decompression chunk sizes */
>>>> +       for (j = 0; j < ARRAY_SIZE(sizes); j++) {
>>>> +               env_set_ulong("gzwrite_chunk", sizes[j]);
>>>> +               for (i = 0; i < ARRAY_SIZE(sizes); i++) {
>>>> +                       ret = do_test_cmd_zip_unzip(uts, sizes[i], true);
>>>> +                       if (ret)
>>>> +                               return ret;
>>>> +               }
>>>> +       }
>>>> +
>>>>           return 0;
>>>>    }
>>>>    DM_TEST(dm_test_cmd_zip_gzwrite, UTF_CONSOLE);
>>>> --
>>>> 2.51.0
>>>>
>>>
>>> Rather than an environment variable, you could create a variant of
>>> gzwrite() which allows it to be passed.
>> This test is invoking the command line 'gzwrite' command, it is not
>> calling the gzwrite() function . And I don't think the chunk size should
>> be configurable on command line by users ?
> 
> Agreed.
> 
> But the command test could just use the default, then add a C test to
> call the unzip function directly with a series of sizes. Going through
> the command is a bit of a pain. We have quite a few examples where the
> command tests are more basic than the 'lower-level' tests.
Isn't that what test/lib/compression.c test does already ?


More information about the U-Boot mailing list