Data_t Structure Formating

[Crsarmv7l]

I am doing some local modifications on one of the decoders. All of my calculations are fine, everything is caught and displayed.

The issue I am having is formatting the displayed information how I would like it to be. Here are the structures:

/* clang-format off */
    data_t *data = data_make(
            "model",            "",             DATA_STRING,    model_str,
            "yek",              "",             DATA_STRING,    yek_str,
            "key",              "",             DATA_STRING,    key_str,
            "button",           "",             DATA_INT,       btn,
            "id",               "",             DATA_STRING,    serial_str,
            "encrypted",        "",             DATA_STRING,    encrypted_str,
            "decrypted",        "",             DATA_STRING,    decrypted_str,
            NULL);
    /* clang-format on */

    decoder_output_data(decoder, data);
    return 1;
}

static char const *const output_fields[] = {
        "model",
        "yek",
        "key",
        "button",
        "id",
        "encrypted",        
        "decrypted",
        NULL,
};

and this is how I would like it to look in the terminal:

time      : 2025-10-03 23:09:36
model     : Doorhan      yek       : 23DBB1A7FFAFC706                        key       : 60E3F5FFE58DDBC4                        
button    : 2            id        : 3DBB1A7                                 encrypted : FFAFC706                    decrypted : 21A700A0

Unfortunately, this is how it currently looks:

I would appreciate any advice/help I can get

[zuckschwerdt]

Can you describe the difference you see /wish for? Is it about the line breaks? The display is adjusted to the terminal width.
Notes: the id should be directly after the model, the model should usually be a literal, not a var.

[Crsarmv7l]

Yeah its about linebreaks and overall lineup. Terminal is fullscreen so it should be apples to apples on all of these. I am abusing model a bit, its a keeloq decoder so I am using the model to display the keyname that correctly decodes (if any).

I got it looking a little better.
Oddly enough "id" must have special formatting applied to it (a line break applied):

    /* clang-format off */
    data_t *data = data_make(
            "model",            "",             DATA_STRING,    model_str,
            "key",              "",             DATA_STRING,    key_str,
            "id",        "encrypted",           DATA_STRING,    encrypted_str,
            "button",           "",             DATA_INT,       btn,
            "yek",              "",             DATA_STRING,    yek_str,
            "serial",           "",             DATA_STRING,    serial_str,
            "decrypted",        "",             DATA_STRING,    decrypted_str,
            NULL);
    /* clang-format on */

    decoder_output_data(decoder, data);
    return 1;
}

static char const *const output_fields[] = {
        "model",
        "key",
        "id",
        "button",
        "yek",  
        "serial",      
        "decrypted",
        NULL,
};

That vs this appear very differently

    /* clang-format off */
    data_t *data = data_make(
            "model",            "",             DATA_STRING,    model_str,
            "key",              "",             DATA_STRING,    key_str,
            "encrypted",        "",           DATA_STRING,    encrypted_str,
            "button",           "",             DATA_INT,       btn,
            "yek",              "",             DATA_STRING,    yek_str,
            "serial",           "",             DATA_STRING,    serial_str,
            "decrypted",        "",             DATA_STRING,    decrypted_str,
            NULL);
    /* clang-format on */

    decoder_output_data(decoder, data);
    return 1;
}

static char const *const output_fields[] = {
        "model",
        "key",
        "encrypted",
        "button",
        "yek",  
        "serial",      
        "decrypted",
        NULL,
};

[zuckschwerdt]

Yes, that line break logic is here https://github.com/merbanan/rtl_433/blob/master/src/output_file.c#L308 and https://github.com/merbanan/rtl_433/blob/master/src/output_file.c#L173-L189

[Crsarmv7l]

Thanks for the code reference. I should be able to adjust!