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2019-04-26Use "capacity" as parameter name in with_capacity() methodsMatthias Geier-3/+3
Closes #60271.
2019-04-22Remove double trailing newlinesvarkor-1/+0
2019-04-10Eliminate `FnBox` usages from libstd.CrLF0710-5/+3
2019-04-05Use for_each to extend collectionsJosh Stone-3/+1
This updates the `Extend` implementations to use `for_each` for many collections: `BinaryHeap`, `BTreeMap`, `BTreeSet`, `LinkedList`, `Path`, `TokenStream`, `VecDeque`, and `Wtf8Buf`. Folding with `for_each` enables better performance than a `for`-loop for some iterators, especially if they can just forward to internal iterators, like `Chain` and `FlatMap` do.
2019-04-05Rollup merge of #59690 - xfix:patch-17, r=cramertjMazdak Farrokhzad-0/+2
Mark unix::ffi::OsStrExt methods as inline This is a small change, but I found it surprising it's not inlined looking at the assembly.
2019-04-04Auto merge of #59619 - alexcrichton:wasi-fs, r=fitzgenbors-0/+42
wasi: Implement more of the standard library This commit fills out more of the `wasm32-unknown-wasi` target's standard library, notably the `std::fs` module and all of its internals. A few tweaks were made along the way to non-`fs` modules, but the last commit contains the bulk of the work which is to wire up all APIs to their equivalent on WASI targets instead of unconditionally returning "unsupported". After this some basic filesystem operations and such should all be working in WASI!
2019-04-04Mark unix::ffi::OsStrExt methods as inlineKonrad Borowski-0/+2
2019-04-03wasi: Fill out `std::fs` module for WASIAlex Crichton-0/+42
This commit fills out the `std::fs` module and implementation for WASI. Not all APIs are implemented, such as permissions-related ones and `canonicalize`, but all others APIs have been implemented and very lightly tested so far. We'll eventually want to run a more exhaustive test suite! For now the highlights of this commit are: * The `std::fs::File` type is now backed by `WasiFd`, a raw WASI file descriptor. * All APIs in `std::fs` (except permissions/canonicalize) have implementations for the WASI target. * A suite of unstable extension traits were added to `std::os::wasi::fs`. These traits expose the raw filesystem functionality of WASI, namely `*at` syscalls (opening a file relative to an already opened one, for example). Additionally metadata only available on wasi is exposed through these traits. Perhaps one of the most notable parts is the implementation of path-taking APIs. WASI actually has no fundamental API that just takes a path, but rather everything is relative to a previously opened file descriptor. To allow existing APIs to work (that only take a path) WASI has a few syscalls to learn about "pre opened" file descriptors by the runtime. We use these to build a map of existing directory names to file descriptors, and then when using a path we try to anchor it at an already-opened file. This support is very rudimentary though and is intended to be shared with C since it's likely to be so tricky. For now though the C library doesn't expose quite an API for us to use, so we implement it for now and will swap it out as soon as one is available.
2019-04-01SGX target: convert a bunch of panics to abortsJethro Beekman-0/+9
2019-03-31libstd: deny(elided_lifetimes_in_paths)Mazdak Farrokhzad-31/+33
2019-03-22Auto merge of #59370 - Centril:rollup, r=Centrilbors-0/+6
Rollup of 18 pull requests Successful merges: - #59106 (Add peer_addr function to UdpSocket) - #59170 (Add const generics to rustdoc) - #59172 (Update and clean up several parts of CONTRIBUTING.md) - #59190 (consistent naming for Rhs type parameter in libcore/ops) - #59236 (Rename miri component to miri-preview) - #59266 (Do not complain about non-existing fields after parse recovery) - #59273 (some small HIR doc improvements) - #59291 (Make Option<ThreadId> no larger than ThreadId, with NonZeroU64) - #59297 (convert field/method confusion help to suggestions) - #59304 (Move some bench tests back from libtest) - #59309 (Add messages for different verbosity levels. Output copy actions.) - #59321 (Unify E0109, E0110 and E0111) - #59322 (Tweak incorrect escaped char diagnostic) - #59323 (use suggestions for "enum instead of variant" error) - #59327 (Add NAN test to docs) - #59329 (cleanup: Remove compile-fail-fulldeps directory again) - #59347 (Move one test from run-make-fulldeps to ui) - #59360 (Add tracking issue number for `seek_convenience`) Failed merges: r? @ghost
2019-03-22Auto merge of #58953 - jethrogb:jb/unify-ffi, r=alexcrichtonbors-0/+252
Unify OsString/OsStr for byte-based implementations As requested in #57860 r? @joshtriplett
2019-03-21Unify OsString/OsStr for byte-based implementationsJethro Beekman-0/+252
2019-03-16Add peer_addr function to UdpSocketLinus Unnebäck-0/+6
2019-03-09Use lifetime contravariance to elide more lifetimes in core+alloc+stdScott McMurray-1/+1
2019-02-28Fix some imports and pathsTaiki Endo-1/+1
2019-02-28libstd => 2018Taiki Endo-108/+109
2019-02-26Auto merge of #58357 - sfackler:vectored-io, r=alexcrichtonbors-1/+9
Add vectored read and write support This functionality has lived for a while in the tokio ecosystem, where it can improve performance by minimizing copies. r? @alexcrichton
2019-02-20Rollup merge of #58553 - scottmcm:more-ihle, r=Centrilkennytm-6/+6
Use more impl header lifetime elision Inspired by seeing explicit lifetimes on these two: - https://doc.rust-lang.org/nightly/std/slice/struct.Iter.html#impl-FusedIterator - https://doc.rust-lang.org/nightly/std/primitive.u32.html#impl-Not And a follow-up to https://github.com/rust-lang/rust/pull/54687, that started using IHLE in libcore. Most of the changes in here fall into two big categories: - Removing lifetimes from common traits that can essentially never user a lifetime from an input (particularly `Drop`, `Debug`, and `Clone`) - Forwarding impls that are only possible because the lifetime doesn't matter (like `impl<R: Read + ?Sized> Read for &mut R`) I omitted things that seemed like they could be more controversial, like the handful of iterators that have a `Item: 'static` despite the iterator having a lifetime or the `PartialEq` implementations [where the flipped one cannot elide the lifetime](https://internals.rust-lang.org/t/impl-type-parameter-aliases/9403/2?u=scottmcm). I also removed two lifetimes that turned out to be completely unused; see https://github.com/rust-lang/rust/issues/41960#issuecomment-464557423
2019-02-17Use more impl header lifetime elisionScott McMurray-6/+6
There are two big categories of changes in here - Removing lifetimes from common traits that can essentially never user a lifetime from an input (particularly `Drop` & `Debug`) - Forwarding impls that are only possible because the lifetime doesn't matter (like `impl<R: Read + ?Sized> Read for &mut R`) I omitted things that seemed like they could be more controversial, like the handful of iterators that have a `Item: 'static` despite the iterator having a lifetime or the `PartialEq` implementations where the flipped one cannot elide the lifetime.
2019-02-13Add vectored read and write supportSteven Fackler-1/+9
This functionality has lived for a while in the tokio ecosystem, where it can improve performance by minimizing copies.
2019-02-10libs: doc commentsAlexander Regueiro-7/+7
2018-12-31Bound sgx target_env with fortanix as target_vendorYu Ding-1/+1
Signed-off-by: Yu Ding <dingelish@gmail.com>
2018-12-25Remove licensesMark Rousskov-199/+0
2018-12-24std: Use backtrace-sys from crates.ioAlex Crichton-51/+29
This commit switches the standard library to using the `backtrace-sys` crate from crates.io instead of duplicating the logic here in the Rust repositor with the `backtrace-sys`'s crate's logic. Eventually this will hopefully be a good step towards using the `backtrace` crate directly from crates.io itself, but we're not quite there yet! Hopefully this is a small incremental first step we can take.
2018-12-14std: Use `rustc_demangle` from crates.ioAlex Crichton-228/+11
No more need to duplicate the demangling routine between crates.io and the standard library, we can use the exact same one!
2018-12-11Remove unnecessary feature gates from const fnsOliver Scherer-3/+0
2018-12-07Various minor/cosmetic improvements to codeAlexander Regueiro-1/+1
2018-12-07SGX target: implement synchronization primitives and threadingJethro Beekman-0/+3
2018-12-07Add x86_64-fortanix-unknown-sgx target to libstd and dependenciesJethro Beekman-3/+5
The files src/libstd/sys/sgx/*.rs are mostly copied/adapted from the wasm target. This also updates the dlmalloc submodule to the very latest version.
2018-12-06Refactor net::each_addr/lookup_host to forward error from resolveJethro Beekman-16/+58
2018-12-06Refactor stderr_prints_nothing into a more modular functionJethro Beekman-4/+3
2018-12-04cleanup: remove static lifetimes from consts in libstdljedrz-1/+1
2018-11-11std: Delete the `alloc_system` crateAlex Crichton-0/+51
This commit deletes the `alloc_system` crate from the standard distribution. This unstable crate is no longer needed in the modern stable global allocator world, but rather its functionality is folded directly into the standard library. The standard library was already the only stable location to access this crate, and as a result this should not affect any stable code.
2018-11-06refactor: use shorthand fieldsteresy-3/+3
2018-09-15Improve output if no_lookup_host_duplicates failsPhilip Munksgaard-2/+3
If the test fails, output the offending addresses and a helpful error message. Also slightly improve legibility of the preceding line that puts the addresses into a HashMap.
2018-09-04Breaking change upgradesMark Rousskov-1/+1
2018-08-20Replace usages of ptr::offset with ptr::{add,sub}.Corey Farwell-1/+1
2018-08-08avoid using the word 'initialized' to talk about that non-reentrant-capable ↵Ralf Jung-3/+5
state of the mutex
2018-08-06actually, reentrant uninitialized mutex acquisition is outright UBRalf Jung-9/+7
2018-08-06argue why at_exit_imp is fineRalf Jung-3/+3
2018-08-06I think we have to strengthen Mutex::init UBRalf Jung-1/+1
2018-08-06clarify partially initialized Mutex issuesRalf Jung-0/+13
2018-07-29Auto merge of #52767 - ljedrz:avoid_format, r=petrochenkovbors-1/+1
Prefer to_string() to format!() Simple benchmarks suggest in some cases it can be faster by even 37%: ``` test converting_f64_long ... bench: 339 ns/iter (+/- 199) test converting_f64_short ... bench: 136 ns/iter (+/- 34) test converting_i32_long ... bench: 87 ns/iter (+/- 16) test converting_i32_short ... bench: 87 ns/iter (+/- 49) test converting_str ... bench: 54 ns/iter (+/- 15) test formatting_f64_long ... bench: 349 ns/iter (+/- 176) test formatting_f64_short ... bench: 145 ns/iter (+/- 14) test formatting_i32_long ... bench: 98 ns/iter (+/- 14) test formatting_i32_short ... bench: 93 ns/iter (+/- 15) test formatting_str ... bench: 86 ns/iter (+/- 23) ```
2018-07-27Auto merge of #52336 - ishitatsuyuki:dyn-rollup, r=Mark-Simulacrumbors-9/+9
Rollup of bare_trait_objects PRs All deny attributes were moved into bootstrap so they can be disabled with a line of config. Warnings for external tools are allowed and it's up to the tool's maintainer to keep it warnings free. r? @Mark-Simulacrum cc @ljedrz @kennytm
2018-07-27Prefer to_string() to format!()ljedrz-1/+1
2018-07-23libstd: Prefer `Option::map`/etc over `match` where applicableColin Wallace-5/+4
2018-07-10Deny bare trait objects in `src/libstd`.ljedrz-9/+9
2018-07-02Make Stdio handle UnwindSafeEvan Simmons-0/+4
2018-06-26migrate codebase to `..=` inclusive range patternsZack M. Davis-7/+7
These were stabilized in March 2018's #47813, and are the Preferred Way to Do It going forward (q.v. #51043).
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