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Add commands for configuring systemd console-mode #5

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@silkeh silkeh commented Jun 23, 2024

Add set-console-mode and get-console-mode commands for managing the console-mode in systemd.

Resolves #2.

@ikeycode
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For any newly landing commands/modes please also open a linked issue over in blsforme so I can keep track and ensure compat is maintained, ty :)

return _write_sysconf_file(self, "console_mode", NULL);
}

return _write_sysconf_file(self, "console_mode", mode);
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The NULL check seems a bit pointless here as you still pass NULL. Perhaps it's better to ensure all the self vtable functions do an assert against self being valid per the older APIS?

LOG_ERROR("Failed to parse config file, defaulting to no timeout");
return -1;
}

return t_val;
}

char *boot_manager_get_console_mode(BootManager *self)
{
char *value = (char*)malloc(64);
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I'm not sure I like this use of magic buffer lengths and mallocs. Also note this isn't a zero initialised (calloc) call, so any failures will result in a garbage value floating around, i.e. not NULL. Would it not be better to simply read a single line from a file (getline on an fp), free the internal getline pointer due to alloca crap in some implementations, then strdup the return. The console-mode check could just directly wrap it, whereas the timeout mode would simply pull it in as an autofree() and convert to a number (atoi)

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I'm not sure I like this use of magic buffer lengths and mallocs.

I definitely don't. I changed it as suggested.

{
char list[][5] = {"", "0", "1", "2", "auto", "max", "keep"};

for(size_t i = 0; i < sizeof list; i++) {
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Not sure why there isn't a space after for - is this why the clang-format file was changed? Looks inconsistent :D

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is this why the clang-format file was changed?

No, it was changed because my editor didn't pick it up (as it was invalid). I probably wrote this line before fixing the file 😞.

I ran a clang-format on all the changed bits, so those should be OK now.

return false;
}

bool cbm_command_set_console_mode(int argc, char **argv)
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For the benefit of looking back at this project for blsforme work could we return to using doxygen style comments for all non static APIs?

* published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*/

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TBH the Solus fork needs to add a copyright section to impacted files since The Events, post 2018. Otherwise only Intel is benefiting from protection of their (and my old) copyrights, rather than Solus for current works.

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minor clean up changes requested :)

@silkeh silkeh force-pushed the console-mode-support branch 2 times, most recently from 4a33b97 to 20eddb7 Compare June 26, 2024 13:12
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silkeh commented Jun 26, 2024

@ikeycode: Thanks for the review. I think I addressed all changes. Sorry about the messy force-pushes, actual diff can be seen here.

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RFE: Add support for setting console-mode in systemd-boot
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