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Windows: io.writeInt fails #4

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opened 2025-08-07 12:57:21 +00:00 by ed · 2 comments
ed commented 2025-08-07 12:57:21 +00:00
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The newly added io.writeInt fails on Windows only.
The examples where it's failing are factorial, fibonacci, fizzbuzz, gcd, collatz and prime.

The exit code in all cases is 3221225477 aka 0xC000005 which is a memory access violation.

The newly added `io.writeInt` fails on Windows only. The examples where it's failing are factorial, fibonacci, fizzbuzz, gcd, collatz and prime. The exit code in all cases is 3221225477 aka 0xC000005 which is a memory access violation.
ed commented 2025-08-07 14:12:06 +00:00
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Looking further into this, the reason seems to be a misaligned SP register in the 2nd extern call to kernel32.WriteFile in io.write.

Looking further into this, the reason seems to be a misaligned SP register in the 2nd extern call to `kernel32.WriteFile` in `io.write`.
ed self-assigned this 2025-08-07 17:05:36 +00:00
ed started working 2025-08-07 17:05:43 +00:00
ed commented 2025-08-07 17:13:41 +00:00
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Fixed in 407606fcf0.

Fixed in https://git.urbach.dev/cli/q/commit/407606fcf0ec2add800b36e3c68fe803d02d3335.
ed closed this issue 2025-08-07 17:13:41 +00:00
ed stopped working 2025-08-07 17:13:41 +00:00
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