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97baac4184
This also eliminates a use of a `Path` convenience function, in support of #80741, refactoring `std::path` to focus on pure data structures and algorithms.
42 lines
1.1 KiB
Rust
42 lines
1.1 KiB
Rust
#![allow(dead_code)] // not used on all platforms
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use crate::fs;
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use crate::io::{self, Error, ErrorKind};
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use crate::path::Path;
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pub fn copy(from: &Path, to: &Path) -> io::Result<u64> {
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let mut reader = fs::File::open(from)?;
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let metadata = reader.metadata()?;
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if !metadata.is_file() {
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return Err(Error::new(
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ErrorKind::InvalidInput,
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"the source path is not an existing regular file",
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));
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}
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let mut writer = fs::File::create(to)?;
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let perm = metadata.permissions();
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let ret = io::copy(&mut reader, &mut writer)?;
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writer.set_permissions(perm)?;
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Ok(ret)
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}
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pub fn remove_dir_all(path: &Path) -> io::Result<()> {
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let filetype = fs::symlink_metadata(path)?.file_type();
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if filetype.is_symlink() { fs::remove_file(path) } else { remove_dir_all_recursive(path) }
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}
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fn remove_dir_all_recursive(path: &Path) -> io::Result<()> {
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for child in fs::read_dir(path)? {
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let child = child?;
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if child.file_type()?.is_dir() {
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remove_dir_all_recursive(&child.path())?;
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} else {
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fs::remove_file(&child.path())?;
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}
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}
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fs::remove_dir(path)
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}
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