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authorMazdak Farrokhzad <twingoow@gmail.com>2020-03-08 20:54:28 +0100
committerGitHub <noreply@github.com>2020-03-08 20:54:28 +0100
commitff961789bc11bcace77e789cd680ee18de37ca05 (patch)
tree7cefec3af0236d25ad21f816763b812de09c092e /src/libstd/sys/unix/stack_overflow.rs
parent85241b5aa6bd08b90f6ce88afdb9d0b3a1e2bdf7 (diff)
parent05f6482f435c498b19f3af56d1017c84323683f5 (diff)
downloadrust-ff961789bc11bcace77e789cd680ee18de37ca05.tar.gz
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Rollup merge of #69326 - JOE1994:os_str_widestring, r=RalfJung
mir-interpret: add method to read wide strings from Memory

Implemented *step2* from [instructions](https://github.com/rust-lang/miri/issues/707#issuecomment-561564057) laid out in rust-lang/miri#707.

Added 2 new methods to struct `rustc_mir::interpret::InterpCx`.

* `read_os_str_from_wide_str` (src/librustc_mir/interpret/operand.rs)
* `write_os_str_to_wide_str` (src/librustc_mir/interpret/place.rs)
  - used existing logic implemented in [MIRI/src/eval.rs](https://github.com/rust-lang/miri/blob/94732aaf7bf79fd01a4a48d11155c6586b937514/src/eval.rs#L132-L141)

These methods are intended to be used for environment variable emulation in Windows.
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