bjoernager/rust
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Merge pull request #24 from Wind-River/home_directory

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No home directory on vxWorks
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n-salim 2019-09-20 14:32:11 -07:00 • committed by GitHub
commit fbf9fa412d
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1 changed files with 1 additions and 22 deletions
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23
src/libstd/sys/vxworks/os.rs
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@ -287,28 +287,7 @@ pub fn temp_dir() -> PathBuf {
}
pub fn home_dir() -> Option<PathBuf> {
return crate::env::var_os("HOME").or_else(|| unsafe {
fallback()
}).map(PathBuf::from);
unsafe fn fallback() -> Option<OsString> {
let amt = match libc::sysconf(libc::_SC_GETPW_R_SIZE_MAX) {
n if n < 0 => 512 as usize,
n => n as usize,
};
let mut buf = Vec::with_capacity(amt);
let mut passwd: libc::passwd = mem::zeroed();
let mut result = ptr::null_mut();
match libc::getpwuid_r(libc::getuid(), &mut passwd, buf.as_mut_ptr(),
buf.capacity(), &mut result) {
0 if !result.is_null() => {
let ptr = passwd.pw_dir as *const _;
let bytes = CStr::from_ptr(ptr).to_bytes().to_vec();
Some(OsStringExt::from_vec(bytes))
},
_ => None,
}
}
None
}
pub fn exit(code: i32) -> ! {