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use std::borrow::Cow;
use std::path::Path;
use {raw, Error};
#[doc(hidden)]
pub trait Binding: Sized {
type Raw;
unsafe fn from_raw(raw: Self::Raw) -> Self;
fn raw(&self) -> Self::Raw;
}
#[cfg(unix)]
pub fn path2bytes(p: &Path) -> Result<Cow<[u8]>, Error> {
use std::ffi::OsStr;
use std::os::unix::prelude::*;
let s: &OsStr = p.as_ref();
check(Cow::Borrowed(s.as_bytes()))
}
#[cfg(windows)]
pub fn path2bytes(p: &Path) -> Result<Cow<[u8]>, Error> {
p.to_str()
.map(|s| s.as_bytes())
.ok_or_else(|| {
Error::new(
raw::LIBSSH2_ERROR_INVAL,
"only unicode paths on windows may be used",
)
})
.map(|bytes| {
if bytes.contains(&b'\\') {
// Normalize to Unix-style path separators
let mut bytes = bytes.to_owned();
for b in &mut bytes {
if *b == b'\\' {
*b = b'/';
}
}
Cow::Owned(bytes)
} else {
Cow::Borrowed(bytes)
}
})
.and_then(check)
}
fn check(b: Cow<[u8]>) -> Result<Cow<[u8]>, Error> {
if b.iter().any(|b| *b == 0) {
Err(Error::new(
raw::LIBSSH2_ERROR_INVAL,
"path provided contains a 0 byte",
))
} else {
Ok(b)
}
}
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