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Author SHA1 Message Date
The8472
1316c786a0 Workaround for copy_file_range spuriously returning EOPNOTSUPP when attemted on a NFS mount under RHEL/CentOS 7. 
The syscall is supposed to return ENOSYS in most cases but when calling it on NFS it may leak through
EOPNOTSUPP even though that's supposed to be handled by the kernel and not returned to userspace.
Since it returns ENOSYS in some cases anyway this will trip the  HAS_COPY_FILE_RANGE
detection anyway, so treat EOPNOTSUPP as if it were a ENOSYS.

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.8_release_notes/deprecated_functionality#the_literal_copy_file_range_literal_call_has_been_disabled_on_local_file_systems_and_in_nfs
https://bugzilla.redhat.com/show_bug.cgi?id=1783554
 2020-08-12 01:30:22 +02:00
Alexis Bourget
bd01bf9274 Remove two links by changing the doc for SystemTimeError::duration 2020-08-11 21:53:02 +02:00
Alexis Bourget
3ff06a9f2c Move the std::vec link back to a path-based link to make it compile with --stage 0 2020-08-11 21:30:20 +02:00
Nazım Can Altınova
8faf550e5f
Remove the unused bounds from Debug impl of HashMap::{IntoKeys,IntoValues} 2020-08-11 20:42:02 +02:00
Lzu Tao
e8ea6e59f0 prefer pattern matching over indexing 2020-08-11 16:07:39 +00:00
Prabakaran Kumaresshan
32fccc445a Revert #tymethods 2020-08-11 19:50:17 +05:30
Lukas Kalbertodt
709d1056b8
Fix minor things in the f32 primitive docs 
All of these were review comments in #74621 that I first fixed
in that PR, but later accidentally overwrote by a force push.
 2020-08-11 13:50:54 +02:00
Prabakaran Kumaresshan
29045b699e Switch to intra-doc links in library/std/src/os/*/fs.rs 2020-08-11 15:20:01 +05:30
Yuki Okushi
f26f201d42
Rollup merge of #75085 - lzutao:ip_union, r=cuviper 
Transmute big endian `s6_addr` and `[u16; 8]`

The old code already made the assumption to reinterpret
`Ipv6Addr` as `[u16; 8]`.

Glibc, Linux, FreeBSD, Win32 all makes this assumption.
The main motivation of using union it to better optimize code.
Godbolt: https://rust.godbolt.org/z/b4bGvo
Const is introducing unsafe when transmuting.

ref:
* https://docs.microsoft.com/en-us/windows/win32/api/in6addr/ns-in6addr-in6_addr
* 1d6e424741/contrib/ntp/lib/isc/include/isc/ipv6.h (L63)
* 8b531aa996/include/net/net_ip.h (L137)
* https://sourceware.org/git/?p=glibc.git;a=blob;f=inet/netinet/in.h;h=f6355c7efe5192b88337b136ef687fe9a5ed648c;hb=HEAD#l216
 2020-08-11 16:23:45 +09:00
Marcel Hellwig
00d537dcd0 deny(unsafe_op_in_unsafe_fn) in libstd/path.rs 2020-08-11 09:22:27 +02:00
Marcel Hellwig
73e27b3e18 deny(unsafe_op_in_unsafe_fn) in libstd/process.rs 2020-08-11 09:11:55 +02:00
bors
a9025c571e Auto merge of #74621 - LukasKalbertodt:float-docs, r=GuillaumeGomez 
Improve `f32` and `f64` primitive documentation

I noticed that the docs for the primitive floats were fairly short. I first only wanted to add the IEEE specification information (compare [the reference](https://doc.rust-lang.org/reference/types/numeric.html)), but then also added some more beginner-friendly docs. Let me know what you think!

Random doc team assign:
r? @rylev
 2020-08-11 04:10:39 +00:00
南浦月
d892a07c67 add Ipv6Addr::to_ipv4_mapped 2020-08-11 09:15:08 +08:00
Nazım Can Altınova
456738e3d1
Only print values in the Debug of HashMap::ValuesMut struct 2020-08-10 23:06:04 +02:00
Alexis Bourget
a6e492b5db Move to doc links inside the prelude 2020-08-10 21:09:37 +02:00
Alexis Bourget
26792a65cd Move to doc links inside std/time.rs 2020-08-10 21:01:58 +02:00
Ryan Levick
b9b8b5c96b Reverse formatting 2020-08-10 18:04:44 +02:00
Ryan Levick
6778baf516 Fix up docs 2020-08-10 17:39:06 +02:00
Lzu Tao
0210fd3d73 Transmute between big endian s6_addr and [u16; 8]. 
The old code already made the assumption to reinterpret
`Ipv6Addr` as `[u16; 8]`.

Glibc, Linux, FreeBSD, Win32 all makes this assumption.
The main motivation of using union it to better optimize code.

ref:
* https://docs.microsoft.com/en-us/windows/win32/api/in6addr/ns-in6addr-in6_addr
* 1d6e424741/contrib/ntp/lib/isc/include/isc/ipv6.h (L63)
* 8b531aa996/include/net/net_ip.h (L137)
* https://sourceware.org/git/?p=glibc.git;a=blob;f=inet/netinet/in.h;h=f6355c7efe5192b88337b136ef687fe9a5ed648c;hb=HEAD#l216

Co-authored-by: Josh Stone <cuviper@gmail.com>
Co-authored-by: Peter Atashian <retep998@gmail.com>
 2020-08-10 00:50:26 +00:00
Yuki Okushi
df2da4637f
Rollup merge of #75286 - pickfire:patch-9, r=jyn514 
Add additional case for Path starts with

Show what happens if there is an extra extension
 2020-08-10 09:07:52 +09:00
Yuki Okushi
62e5488198
Rollup merge of #74200 - poliorcetics:std-panicking-unsafe-block-in-unsafe-fn, r=Mark-Simulacrum 
Std panicking unsafe block in unsafe fn

Partial fix of #73904.

This encloses `unsafe` operations in `unsafe fn` in `libstd/ffi/panicking.rs`.

I also made a two lines change to `libstd/thread/local.rs` to add the necessary `unsafe` block without breaking everything else.

@rustbot modify labels: F-unsafe-block-in-unsafe-fn
 2020-08-10 09:07:46 +09:00
Ivan Tham
4b549fa043
show multiple slashes starts_with Path example 
Co-authored-by: Joshua Nelson <joshua@yottadb.com>
 2020-08-10 00:43:45 +08:00
Greg V
ddbc45673b Add RUST_STD_FREEBSD_12_ABI env variable 
Unfortunately, sanitizers do not support versioned symbols[1],
so they break filesystem access via the legacy, pre-ino64 ABI.

To use sanitizers on FreeBSD >= 12, we need to build the libc
crate with LIBC_CI=1 to use the new ABI -- including the libc
used for std. But that removes the st_lspare field std was
expecting for the deprecated metadata extension.

Add a way to skip that field to allow the build to work.

[1]: https://github.com/google/sanitizers/issues/628
 2020-08-09 17:52:00 +03:00
bors
8bc801b050 Auto merge of #75293 - poliorcetics:intra-doc-links-std-path, r=jyn514 
Move to intra-doc links in library/std/src/path.rs

Helps with #75080.

@rustbot modify labels: T-doc, A-intra-doc-links, T-rustdoc

Known issue: The following links are broken (they are inside trait impls, undocumented in this file, inheriting from the original doc):

- [`Hasher`]
- [`Self`] (referencing `../primitive.slice.html`)
- [`Ordering`]
 2020-08-09 12:31:03 +00:00
Eric Seppanen
f85d231301 clarify documentation of remove_dir errors 
remove_dir will error if the path doesn't exist or isn't a directory.

It's useful to clarify that this is "remove dir or fail" not "remove dir
if it exists".

I don't think this belongs in the title. "Removes an existing, empty
directory" is strangely worded-- there's no such thing as a non-existing
directory.  Better to just say explicitly it will return an error.
 2020-08-08 22:50:56 -07:00
Yuki Okushi
3038ecb07b
Rollup merge of #75289 - pickfire:patch-12, r=jonas-schievink 
Remove ambiguity from PathBuf pop example
 2020-08-09 06:41:33 +09:00
Yuki Okushi
6baee9557a
Rollup merge of #75288 - pickfire:patch-11, r=jonas-schievink 
Use assert! for Path exists example to check bool
 2020-08-09 06:41:32 +09:00
Yuki Okushi
42e163bf40
Rollup merge of #75287 - pickfire:patch-10, r=jonas-schievink 
Show Path extension example change multi extension
 2020-08-09 06:41:30 +09:00
Yuki Okushi
28ab318f57
Rollup merge of #75285 - pickfire:patch-8, r=jonas-schievink 
Separate example for Path strip_prefix
 2020-08-09 06:41:28 +09:00
Yuki Okushi
27b864b154
Rollup merge of #75284 - pickfire:patch-7, r=LukasKalbertodt 
Show relative example for Path ancestors
 2020-08-09 06:41:27 +09:00
Yuki Okushi
cbc6914baa
Rollup merge of #75262 - pickfire:patch-6, r=jyn514 
Show multi extension example for Path in doctests
 2020-08-09 06:41:23 +09:00
Yuki Okushi
ccffe18c3e
Rollup merge of #75162 - poliorcetics:move-documentation-fix, r=jyn514 
Fix the documentation for move about Fn traits implementations

Fixes #74997.

This uses the note from the [reference](https://doc.rust-lang.org/reference/types/closure.html#call-traits-and-coercions) but I can also just put a link to it or do both.

@rusbot modify labels: C-bug T-doc T-libs
 2020-08-09 06:41:20 +09:00
Yuki Okushi
dde4fb3fd2
Rollup merge of #74842 - hermitcore:thread_local, r=Mark-Simulacrum 
adjust remaining targets

- fix commit 7dc3886
- previous commit doesn't adjust all targets
 2020-08-09 06:41:16 +09:00
bors
1facd4a77b Auto merge of #75163 - canova:map_into_keys_values, r=dtolnay 
Implement `into_keys` and `into_values` for associative maps

This PR implements `into_keys` and `into_values` for HashMap and BTreeMap types. They are implemented as unstable, under `map_into_keys_values` feature.
Fixes #55214.
r? @dtolnay
 2020-08-08 18:15:50 +00:00
Nazım Can Altınova
4cd2637e2b
Update the tracking issue number of map_into_keys_values 2020-08-08 16:35:54 +02:00
Alexis Bourget
1cd8dffdae Add an example about the behaviour of move and Fn* traits 2020-08-08 15:57:17 +02:00
Alexis Bourget
6d77e40afe Move to intra-doc links in library/std/src/path.rs 2020-08-08 14:21:27 +02:00
bors
c989ac132a Auto merge of #74289 - lzutao:unroll, r=LukasKalbertodt 
Remove some redundant parts from `unrolled_find_u16s`

See each commit message for details.

r? @wesleywiser from old PR #67705 .
 2020-08-08 11:34:18 +00:00
Ivan Tham
4b15b809eb
Remove abmiguity from PathBuf pop example 2020-08-08 18:28:55 +08:00
Ivan Tham
b3ae88f6bb
Use assert! for Path exists example to check bool 2020-08-08 18:23:18 +08:00
Ivan Tham
9532b83912
Show Path extension example change multi extension 2020-08-08 18:14:29 +08:00
Ivan Tham
e7e41a8465
Add additonal case for Path starts with 
Show what happens if there is an extra extension
 2020-08-08 18:06:04 +08:00
Ivan Tham
6dffd2d18e
Separate example for Path strip_prefix 2020-08-08 18:01:34 +08:00
Ivan Tham
a11c27925d
Show relative example for Path ancestors 2020-08-08 17:53:16 +08:00
Alan Egerton
5792840bf5 Prevent __rust_begin_short_backtrace frames from being tail-call optimised away 2020-08-07 19:31:25 +01:00
Ivan Tham
06cf40f8a1
Show multi extension example for Path in doctests 2020-08-08 00:48:12 +08:00
Nazım Can Altınova
25545ed180
Only print the fields that are relevant to iterators for Debug of IntoKeys and IntoValues 2020-08-07 13:47:04 +02:00
Nazım Can Altınova
41dd4ee7ff
Add unit tests for new HashMap::into_{keys,values} methods 2020-08-07 13:13:41 +02:00
Nazım Can Altınova
e31116af50
Add into_{keys,values} methods for HashMap 2020-08-07 13:13:37 +02:00
bors
8b26609481 Auto merge of #70052 - Amanieu:hashbrown7, r=Mark-Simulacrum 
Update hashbrown to 0.8.1

This update includes:
- https://github.com/rust-lang/hashbrown/pull/146, which improves the performance of `Clone` and implements `clone_from`.
- https://github.com/rust-lang/hashbrown/pull/159, which reduces the size of `HashMap` by 8 bytes.
- https://github.com/rust-lang/hashbrown/pull/162, which avoids creating small 1-element tables.

Fixes #28481
 2020-08-07 08:36:15 +00:00