code logs -> 2020 -> Mon, 23 Mar 2020< code.20200322.log - code.20200324.log >
--- Log opened Mon Mar 23 00:00:28 2020
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20:19 * TheWatcher eyes this code
20:20
<@TheWatcher>
https://github.com/Seeed-Studio/Grove_LED_Bar/blob/master/Grove_LED_Bar.h#L43-L48
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20:20
<@TheWatcher>
Why on earth is he doing `LED_BAR_10 = 0 << LED_TYPE_SHIFT | 10` instead of just `LED_BAR_10 = 10` O.o
20:27
<&McMartin>
I'd want to look up operator precedence to ensure that it wasn't LED_BAR_10=0 -_-
20:28
<~Vornicus>
I knew the precedence because Ihave used that construct in the past month
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21:09
<&McMartin>
https://arstechnica.com/information-technology/2020/03/attackers-exploit-windows-zeroday-that-can-execute-malicious-code/
21:10
<&McMartin>
Fonts were our second most costly mistake after null pointers
21:16
<&Reiver>
why is it always fonts
21:17
<&McMartin>
I once read an article on this.
21:17
<&McMartin>
There is a reason! A reason that surely seemed like a good idea at the time.
21:17
<&McMartin>
A reason that I can no longer actually recall.
21:17
<&McMartin>
But your memory is not selective. Fonts are an implausibly large attack surface.
21:19
<@Alek>
dates back to DOS at least.
21:21 * Alek still remembers the font.exe from one share or freeware game that changed the system font when you ran the game, and persisted until a reboot.
21:21
<@Alek>
I liked the font, so I coopted the thing and added it to my autorun.bat
21:22
<@Alek>
it even changed the printed font on my dot matrix printer, which normally needed a font cartridge plugged into the side.
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21:42
<@gnolam>
A lot of the font rendering also used to be done in kernel space for some reason that I'm sure made sense at the time.
21:42
<&McMartin>
Well, in DOS, you're never not in kernel space.
21:43
<@gnolam>
Yeah, but in DOS, font exploits weren't really a thing.
21:43
<@gnolam>
Heck, exploits weren't really a thing. Nothing to exploit when everything's already completely open to you.~
21:44
<&McMartin>
Not entirely wrong.
21:45
<&McMartin>
DPMI allowed for some shenanigans, though most of us didn't get to play with them.
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--- Log closed Tue Mar 24 00:00:30 2020
code logs -> 2020 -> Mon, 23 Mar 2020< code.20200322.log - code.20200324.log >

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