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cmuratori's profile
Casey Muratori
Casey Muratori
Casey Muratori
@cmuratori

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Casey Muratori

@cmuratori

I'm worried that the baby thinks people can't change.

Seattle
caseymuratori.com
Joined March 2009

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    Casey Muratori‏ @cmuratori Jul 20

    Casey Muratori Retweeted Jonathan Blow

    I never use CRT routines in production code because: 1) Less efficient, 2) Possible additional bugs in the CRT layer, 3) Less control over ops than native, and 4) Even when a bug is my fault, it is harder to find with the extra CRT layer of crap on top.https://twitter.com/Jonathan_Blow/status/1417544504916135936 …

    Casey Muratori added,

    Jonathan Blow @Jonathan_Blow
    Advisory: Don't use fopen() on Windows. It appears there is a very bad bug where, as soon as you are doing file stuff from multiple threads, file flushes do not happen at a predictable time, even if you explicitly flush. So...
    Show this thread
    11:24 AM - 20 Jul 2021
    • 4 Retweets
    • 84 Likes
    • Guntha_fr Nicolas Steven Logan Behiri etmixCS Joshua Mehmet Cemil Özkaya Justin🚶‍♂️🔥 The Sandvich Maker
    7 replies 4 retweets 84 likes
      1. New conversation
      2. Beast‏ @beast_pixels Jul 20
        Replying to @cmuratori

        Kinda weird, since one would expect the C-runtime be as low level as it gets. Heck, most software makes this assumption, so that has such a huge negative impact on the whole industry.

        1 reply 0 retweets 3 likes
      3. Casey Muratori‏ @cmuratori Jul 20
        Replying to @beast_pixels

        The C runtime is not low-level at all. I'm not sure why anyone would think that?

        5 replies 0 retweets 12 likes
      4. Show replies
      1. New conversation
      2. Gideon Ung‏ @Gidcheeen Jul 20
        Replying to @cmuratori

        Ever since i tried zig i don't link the crt at all anymore. Have to implement the mem functions and custom allocators etc but that's a small price to pay for a way smaller binary without the shitty API that the crt has.

        1 reply 0 retweets 2 likes
      3. Eto Demerzel‏ @sigodme Jul 21
        Replying to @Gidcheeen @cmuratori

        Why "since .. zig"?

        1 reply 0 retweets 0 likes
      4. Show replies
      1. New conversation
      2. George Liontos‏ @LiontosGeorge Jul 20
        Replying to @cmuratori

        I recently wrote the classic code that you read the file size using ftell and fseek and I was getting different results than the actual file size. When I read then entire file, fread returned the correct number of bytes. No multithreading involved...

        2 replies 0 retweets 0 likes
      3. Casey Muratori‏ @cmuratori Jul 20
        Replying to @LiontosGeorge

        I mean it's ridiculous to begin with that there isn't a CRT function for "what is the size of this file". It's just a bad API - it should have be EOL'd a long time ago, but unfortunately there is no new alternative, so...

        2 replies 0 retweets 3 likes
      4. Show replies
      1. New conversation
      2. Robbie Rigel‏ @DontPanicRob Jul 20
        Replying to @cmuratori

        Tell that to malware authors. Every time I reverse engineer something I learn a few new CRT functions.

        1 reply 0 retweets 2 likes
      3. ؜‏ @phillip_trudeau Jul 21
        Replying to @DontPanicRob @cmuratori

        Amateurs!

        0 replies 0 retweets 0 likes
      4. End of conversation
      1. New conversation
      2. Cooper‏ @faircall Jul 20
        Replying to @cmuratori

        n00b question: is 'native' in this context referring to direct operating system calls? E.g the Windows ones, the Unix ones etc?

        1 reply 0 retweets 2 likes
      3. Casey Muratori‏ @cmuratori Jul 21
        Replying to @faircall

        Yes. Like instead of fopen(), call CreateFileW.

        0 replies 0 retweets 7 likes
      4. End of conversation

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