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add unistd::getcwd and unistd::mkdir
As a (late) followup of [this withdrawn PR](https://github.com/rust-lang/libc/pull/326) I have added getcwd (wrapper around `libc::getcwd`) and mkdir (wrapper around `libc::mkdir`) and added testing.
A few notes:
- I'm new to rust so I would appreciate some pair of eyes testing the code, plus I'm open for revision of code or general remarks about my coding style
- I have run the tests both on OSX as on Linux (Ubuntu)
- I've run `clippy` to see if my code is well formatted, however clippy issues many warnings about the project. I think I didn't add any more warnings
- the methods in unistd are not documented so I also left out the documentation of `getcwd` and `mkdir`, although I think it'd probably be good to add some documentation, especially some example code how to use the methods
- the base idea of `getcwd` is [taken from std](https://github.com/rust-lang/rust/blob/1.9.0/src/libstd/sys/unix/os.rs#L95-L119), should I mention that somewhere?
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against std::env::current_dir
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the implementation in std
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directory names, need to be created with mkdir first which doesn't exist yet)
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expect into proper try handling), needs testing still
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Replace ffi module by libc functions in mqueue.rs
This is almost finished. I still need to check if I introduced any breaking changes by changing signatures. I would want to record this in the change log, however, for that we still need to merge #391.
- [x] update change log
- [x] run rustfmt on `src/mqueue.rs`
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llseek and lseek64
impl Whence
fixed formatting
awful typo when refactoring
no llseek
wrong test name
using off64_t
got rid of offset
Added SeekHole/Data; formatted test; SeekCur/Set/End use libc constants
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unistd: Redesign the enum returned by fork()
This changes the name of the enum returned by `fork()` to `ForkResult`,
and changes the `Parent` variant to be struct-like.
The result can be matched like
use nix::unistd::ForkResult::*;
match fork().unwrap() {
Parent { child } => { ... }
Child => { ... }
}
using the shorthand matching syntax for struct-like enum variants.
This is a breaking change.
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This commit changes the name of the enum returned by `fork()` to
`ForkResult`, and changes the `Parent` variant to be struct-like.
The result can be matched like
use nix::unistd::ForkResult::*;
match fork().unwrap() {
Parent { child } => { ... }
Child => { ... }
}
using the shorthand matching syntax for struct-like enum variants.
This is a breaking change.
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Fixes #329
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Replace a busy loop with a call to `pause(2)`.
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The mount test runner uses unprivileged user namespaces. Previously,
failure from `unshare(2)` to create the user namespace would fail the
test. This changes that to simply print an error and exit successfully.
Refs https://github.com/nix-rust/nix/pull/326
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mqueue: change types to allow more cases
Part of https://github.com/nix-rust/nix/pull/270, fixed according to @kamalmarhubi's comments.
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Fixes https://github.com/carllerche/nix-rust/issues/85
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The returned length of AF_UNIX sockaddrs is significant, and generally
does not match the length of the entire structure. For filesystem
sockets, this is ignorable because the path is also NUL-terminated, but
for unbound sockets (e.g., a socketpair) or abstract-namespace
sockets (a Linux extension where the address is an arbitrary
bytestring), we need to keep track of the length.
Fixes #177. Also add a UnixAddr::new_abstract function and some better
handling of abstract-namespace socket addresses to fix #169.
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The best specification for control message layout appears to be
[RFC 2292, section 4](https://tools.ietf.org/html/rfc2292#section-4),
despite this not being a wire protocol. These definitions have also been
checked against glibc 2.19 <bits/socket.h> and Linux 4.0
<linux/socket.h>, and tested on Debian 8.1 and FreeBSD 10.2 x86_64.
The API differs a bit from the cmsg(3) API for type-safety reasons (and
also because the cmsg(3) API is terrible). See test/sys/test_socket.rs
for an example.
Only supports SCM_RIGHTS at the moment.
Fixes #88.
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This reverts commit 046af7d1ba82506f9bc48e62ac0584361025fc02.
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The best specification for control message layout appears to be
[RFC 2292, section 4](https://tools.ietf.org/html/rfc2292#section-4),
despite this not being a wire protocol. These definitions have also been
checked against glibc 2.19 <bits/socket.h> and Linux 4.0
<linux/socket.h>, and tested on Debian 8.1 and FreeBSD 10.2 x86_64.
The API differs a bit from the cmsg(4) API for type-safety reasons (and
also because the cmsg(4) API is terrible). See test/sys/test_socket.rs
for an example.
Only supports SCM_RIGHTS at the moment.
Fixes #88.
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On FreeBSD, st_rdev seems to be set to a unique value (correlated with,
but not identical to, st_ino) per file. Neither the FreeBSD nor Linux
man page makes any promises on st_rdev for regular files; useful test
coverage of st_rdev would check it on a special file.
All tests now pass on FreeBSD.
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This change also adds macro usages in the tests. Nothing is asserted
but the use of the macros provides a basic compile-time check that
is otherwise missing.
Signed-off-by: Paul Osborne <osbpau@gmail.com>
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