Opened 7 months ago

Closed 7 months ago

#7 closed defect (fixed)

[libstd] std::fs::read_dir does not iterate

Reported by: nielx Owned by: nielx
Priority: major Milestone: 1.0.0-beta
Component: libstd Version: 1.17.0
Keywords: Cc:


Tested on both x86 and x86_64 with Rust 1.17.0 and 1.18.0.

The script of the backtrace-sys package uses this function to call objcopy. In the console output it seems that objcopy is called endlessly on the first entry of the directory.

This indicates something is wrong with the function.

Change History (5)

comment:1 Changed 7 months ago by nielx

Component: rustclibstd

comment:2 Changed 7 months ago by nielx

Milestone: 1.0.0-beta

I have tested the working of the function in a separate test, and then it works fine.

My hypothesis is that Haiku rewinds the iterator when the underlying file is removed and re-added. The underlying call is opendir.


If the hypothesis is correct, the question is what the right behavior should be. Should Haiku be 'fixed' or does the backtrace-sys package rely on undocumented behavior.

comment:5 Changed 7 months ago by nielx

Resolution: fixed
Status: newclosed

Fixed upstream; turned out to be a bug of the script of backtrace-sys, which relied on undefined behavior.

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