resolving all remarks by @posborne, fixed max line length=99, fixed rust 1.2.0 error in doc-test

1 files changed, 15 insertions, 7 deletions

diff --git a/src/unistd.rs b/src/unistd.rs
index d7bd3b91..74d74c9c 100644
--- a/src/unistd.rs
+++ b/src/unistd.rs
@@ -5,7 +5,7 @@ use fcntl::{fcntl, OFlag, O_NONBLOCK, O_CLOEXEC, FD_CLOEXEC};
 use fcntl::FcntlArg::{F_SETFD, F_SETFL};
 use libc::{self, c_char, c_void, c_int, c_uint, size_t, pid_t, off_t, uid_t, gid_t, mode_t};
 use std::mem;
-use std::ffi::{CString,CStr,OsString};
+use std::ffi::{CString, CStr, OsString};
 use std::os::unix::ffi::OsStringExt;
 use std::path::PathBuf;
 use std::os::unix::io::RawFd;
@@ -118,13 +118,15 @@ pub fn chdir<P: ?Sized + NixPath>(path: &P) -> Result<()> {
 ///
 /// # Errors
 ///
-/// `Err` is returned in case of an error. There are several situations where mkdir might fail.
-/// For a full list consult `man mkdir(2)`
+/// There are several situations where mkdir might fail:
 ///
 /// - current user has insufficient rights in the parent directory
 /// - the path already exists
 /// - the path name is too long (longer than `PATH_MAX`, usually 4096 on linux, 1024 on OS X)
 ///
+/// For a full list consult 
+/// [man mkdir(2)](http://man7.org/linux/man-pages/man2/mkdir.2.html#ERRORS)
+///
 /// # Example
 ///
 /// ```rust
@@ -141,7 +143,7 @@ pub fn chdir<P: ?Sized + NixPath>(path: &P) -> Result<()> {
 ///
 ///     // create new directory and give read, write and execute rights to the owner
 ///     match unistd::mkdir(&tmp_dir, stat::S_IRWXU) {
-///        Ok(_) => println!("created {:?}", tmp_dir.display()),
+///        Ok(_) => println!("created {:?}", tmp_dir),
 ///        Err(err) => println!("Error creating directory: {}", err),
 ///     }
 /// }
@@ -157,15 +159,21 @@ pub fn mkdir<P: ?Sized + NixPath>(path: &P, mode: Mode) -> Result<()> {
 
 /// Returns the current directory as a PathBuf
 ///
-/// Err is returned if the current user doesn't have the permission to read or search a component of the current path.
+/// Err is returned if the current user doesn't have the permission to read or search a component
+/// of the current path.
 ///
 /// # Example
 ///
 /// ```rust
+/// extern crate nix;
+///
 /// use nix::unistd;
 ///
-/// let dir = unistd::getcwd().expect("not allowed to get current directory");
-/// println!("The current directory is {:?}", dir.display());
+/// fn main() {
+///     // assume that we are allowed to get current directory
+///     let dir = unistd::getcwd().unwrap();
+///     println!("The current directory is {:?}", dir);
+/// }
 /// ```
 #[inline]
 pub fn getcwd() -> Result<PathBuf> {