39 lines
1.6 KiB
Rust
39 lines
1.6 KiB
Rust
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use std::path::{self, Path, PathBuf};
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use std::ffi::OsString;
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// Unfortunately, on windows, gcc cannot accept paths of the form `\\?\C:\...`
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// (a verbatim path). This form of path is generally pretty rare, but the
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// implementation of `fs::canonicalize` currently generates paths of this form,
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// meaning that we're going to be passing quite a few of these down to gcc.
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//
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// For now we just strip the "verbatim prefix" of `\\?\` from the path. This
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// will probably lose information in some cases, but there's not a whole lot
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// more we can do with a buggy gcc...
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pub fn fix_windows_verbatim_for_gcc(p: &Path) -> PathBuf {
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if !cfg!(windows) {
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return p.to_path_buf()
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}
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let mut components = p.components();
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let prefix = match components.next() {
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Some(path::Component::Prefix(p)) => p,
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_ => return p.to_path_buf(),
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};
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let disk = match prefix.kind() {
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path::Prefix::VerbatimDisk(disk) => disk,
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_ => return p.to_path_buf(),
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};
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let mut base = OsString::from(format!("{}:", disk as char));
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base.push(components.as_path());
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PathBuf::from(base)
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}
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