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std/sys/fd: Relax READ_LIMIT on Darwin #144452

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Merged
merged 1 commit into from
Aug 24, 2025
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std/sys/fd: Relax READ_LIMIT on Darwin #144452

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6 changes: 3 additions & 3 deletions library/std/src/sys/fd/unix.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -37,10 +37,10 @@ pub struct FileDesc(OwnedFd);
//
// On Apple targets however, apparently the 64-bit libc is either buggy or
// intentionally showing odd behavior by rejecting any read with a size
// larger than or equal to INT_MAX. To handle both of these the read
// size is capped on both platforms.
// larger than INT_MAX. To handle both of these the read size is capped on
// both platforms.
const READ_LIMIT: usize = if cfg!(target_vendor = "apple") {
libc::c_int::MAX as usize - 1
libc::c_int::MAX as usize
} else {
libc::ssize_t::MAX as usize
};
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