The new Clone function returns a copy of b[:len(b)]
for the input byte slice b.
The result may have additional unused capacity.
Clone(nil) returns nil.
Fixes#45038
Change-Id: I0469a202d77a7b491f1341c08915d07ddd1f0300
Reviewed-on: https://go-review.googlesource.com/c/go/+/359675
Run-TryBot: Martin Möhrmann <martin@golang.org>
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We use crypto/internal/edwards25519/field to implement X25519 directly,
so that golang.org/x/crypto/curve25519 can be dropped from the src
module dependencies, and eventually replaced with a crypto/ecdh wrapper,
removing the need to keep golang.org/x/crypto/curve25519/internal/field
in sync with crypto/internal/edwards25519/field.
In crypto/internal/nistec, we add BytesX to serialize only the x
coordinate, which we'll need for the horrible ECDSA x-coord-to-scalar
operation, too.
In crypto/tls, we replace the ECDHE implementation with crypto/ecdh,
dropping the X25519 special cases and related scaffolding.
Finally, FINALLY, we deprecate the ~white whale~ big.Int-based APIs of
the crypto/elliptic package. •_•) ( •_•)>⌐■-■ (⌐■_■)
Fixes#52182Fixes#34648Fixes#52221
Change-Id: Iccdda210319cc892e96bb28a0e7b7123551982c7
Reviewed-on: https://go-review.googlesource.com/c/go/+/398914
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Add named constants for the 3rd, 4th, and 13th most popular formats.
Fixes#52746
Change-Id: I7ce92e44dcae18c089124f1d6f5bc2d6359d436c
Reviewed-on: https://go-review.googlesource.com/c/go/+/412495
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Joseph Tsai <joetsai@digital-static.net>
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Sometimes when implementing a Formatter it's helpful to use the fmt
package without invoking the formatter. This new function, FormatString,
makes that easier in some cases by recreating the original formatting
directive (such as "%3.2f") that caused Formatter.Format to be
called.
The original Formatter interface is probably not what we would
design today, but we're stuck with it. FormatString, although it
takes a State as an argument, compensates by making Formatter a
little more flexible.
The State does not include the verb so (unlike in the issue), we
must provide it explicitly in the call to FormatString. Doing it there
minimizes allocations by returning the complete format string.
Fixes#51668
Updates #51195
Change-Id: Ie31c8256515864b2f460df45fbd231286b8b7a28
Reviewed-on: https://go-review.googlesource.com/c/go/+/400875
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Related: https://github.com/MicrosoftDocs/win32/pull/1067
Change-Id: I946253f217a5c616ae4a19be44634000cba5020e
Reviewed-on: https://go-review.googlesource.com/c/go/+/411616
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It was #51868 not #51686.
For #53310.
Change-Id: I2cf28ca4de65e7030fdbd05e7f32fe42c8f3ca0a
Reviewed-on: https://go-review.googlesource.com/c/go/+/414515
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Add newline endings to files without them. Delete empty lines. So
it is consistent and easier to put them together.
Change-Id: I84e6b7a1fe59e9f4d7f00f61539f6449f19a5d40
Reviewed-on: https://go-review.googlesource.com/c/go/+/411121
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We are having a hard time deciding the exact semantics
of the Err field, and we need to ship the beta.
So revert the Err field change; it can wait for Go 1.20.
For #51115.
This reverts CL 396215.
Change-Id: I7719386567d3da10a614058a11f19dbccf304b4d
Reviewed-on: https://go-review.googlesource.com/c/go/+/410133
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Historically, Objects in go/types were canonical, meaning each entity
was represented by exactly one variable and could thus be identified by
its address. With object instantiation this is no longer the case: Var
and Func objects must be copied to hold substituted type information,
and there may be more than one Var or Func variable representing the
same source-level entity.
This CL adds Origin methods to *Var and *Func, so users can efficiently
navigate to the corresponding canonical object on the generic type.
Fixes#51682
Change-Id: Ia49e15bd6515e1db1eb3b09b88ba666659601316
Reviewed-on: https://go-review.googlesource.com/c/go/+/395535
Reviewed-by: Robert Griesemer <gri@google.com>
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These are straightforward variants of the existing Sprintf etc.,
but append the resulting bytes to a provided buffer rather than
returning a string.
Internally, there is potentially some allocation because the package
uses a pool of buffers to build its output. We make no attempt to
override that, so the result is first printed into the pool and
then copied to the output. Since it is a managed pool, asymptotically
there should be no extra allocation.
Fixes#47579
RELNOTE=yes
Change-Id: Icef797f9b6f0c84d03e7035d95c06cdb819e2649
Reviewed-on: https://go-review.googlesource.com/c/go/+/406177
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The method Location.lookup returns the "start" and "end" times bracketing seconds when that zone is in effect.
This CL does these things:
1. Exported the "start" and "end" times as time.Time form
2. Keep the "Location" of the returned times be the same as underlying time
Fixes#50062.
Change-Id: I88888a100d0fc68f4984a85c75a85a83aa3e5d80
Reviewed-on: https://go-review.googlesource.com/c/go/+/405374
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Fixes#43401.
Change-Id: I2498e77e41d845130d95012bc8623bfb29c0dda1
Reviewed-on: https://go-review.googlesource.com/c/go/+/405675
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Fixes#51115
Change-Id: I3c5296e4adc71c1c1b1808a45abd4801ae43465a
GitHub-Last-Rev: 4c197acd51
GitHub-Pull-Request: golang/go#51990
Reviewed-on: https://go-review.googlesource.com/c/go/+/396215
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These implementations will inline to the lower-level primitives,
but they hide the underlying values so that all accesses are
forced to use the atomic APIs. They also allow the use of shorter
names (methods instead of functions) at call sites, making code
more readable.
Pointer[T] also avoids conversions using unsafe.Pointer at call sites.
Discussed on #47141.
See also https://research.swtch.com/gomm for background.
Fixes#50860.
Change-Id: I0b178ee0c7747fa8985f8e48cd7b01063feb7dcc
Reviewed-on: https://go-review.googlesource.com/c/go/+/381317
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This change also adds an end-to-end test for SetMemoryLimit as a
testprog.
Fixes#48409.
Change-Id: I102d64acf0f36a43ee17b7029e8dfdd1ee5f057d
Reviewed-on: https://go-review.googlesource.com/c/go/+/397018
Reviewed-by: Michael Pratt <mpratt@google.com>
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CL 381374 was reverted because x/sys/execabs broke.
This CL reapplies CL 381374, but adding a lookPathErr error
field back, for execabs to manipulate with reflect.
That field will just be a bit of scar tissue in this package forever,
to keep old code working with new toolchains.
CL 403256 fixes x/sys/execabs's test to be ready for the change.
Older versions of x/sys/execabs will keep working
(that is, will keep rejecting what they should reject),
but they will return a slightly different error from LookPath
without that CL, and the test fails because of the different
error text.
For #43724.
This reverts commit f2b674756b.
Change-Id: Iee55f8cd9939e1bd31e5cbdada50681cdc505117
Reviewed-on: https://go-review.googlesource.com/c/go/+/403274
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Following discussion on #43724, change os/exec to take the
approach of golang.org/x/sys/execabs, refusing to respect
path entries mentioning relative paths by default.
Code that insists on being able to find executables in relative
directories in the path will need to add a couple lines to override the error.
See the updated package docs in exec.go for more details.
Fixes#43724.
Fixes#43947.
Change-Id: I73c1214f322b60b4167a23e956e933d50470fe13
Reviewed-on: https://go-review.googlesource.com/c/go/+/381374
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Fixes#30715
Change-Id: Ia3712d248b6dc86abef71ccea6e705a571933d53
GitHub-Last-Rev: 6ae68402a5
GitHub-Pull-Request: golang/go#49359
Reviewed-on: https://go-review.googlesource.com/c/go/+/361397
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The proposal accepted the name ErrNestingDepth.
For #51684
Change-Id: I702365f19e5e1889dbcc3c971eecff68e0b08727
Reviewed-on: https://go-review.googlesource.com/c/go/+/401854
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Also update the file in $GOROOT/api/next to use proposal number.
For #51684
Change-Id: I28bfa6bc1cee98a17b13da196d41cda34d968bb0
Reviewed-on: https://go-review.googlesource.com/c/go/+/401076
Reviewed-by: Rob Pike <r@golang.org>
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This adds a straight-forward implementation of the functionality.
A more performant version could be added that unrolls the loop
as is done in google.golang.org/protobuf/encoding/protowire,
but usages that demand high performance can use that package instead.
Fixes#51644
Change-Id: I9d3b615a60cdff47e5200e7e5d2276adf4c93783
Reviewed-on: https://go-review.googlesource.com/c/go/+/400176
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[This CL is part of a sequence implementing the proposal #51082.
The design doc is at https://go.dev/s/godocfmt-design.]
Use go/doc/comment to implement the existing go/doc comment APIs,
as well as adding new APIs more tailored to the new world.
For #51082.
Change-Id: I05b97ecedbf7cf7b8dede7ace6736ed6d89204a9
Reviewed-on: https://go-review.googlesource.com/c/go/+/384265
Run-TryBot: Russ Cox <rsc@golang.org>
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[This CL is part of a sequence implementing the proposal #51082.
The design doc is at https://go.dev/s/godocfmt-design.]
Implement both old-style and new-style headings, like:
Text here.
Old Style Heading
More text here.
# New Style Heading
More text here.
For #51082.
Change-Id: I0d735782d0d345794fc2d4e1bdaa0251b8d4bba2
Reviewed-on: https://go-review.googlesource.com/c/go/+/397284
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[This CL is part of a sequence implementing the proposal #51082.
The design doc is at https://go.dev/s/godocfmt-design.]
Implement parsing and printing of documentation links,
like [math.Sqrt] or [*golang.org/x/text/runes.Set].
For #51082.
Change-Id: I1cc73afbac1c6568773f921ce4b73e52f17acef6
Reviewed-on: https://go-review.googlesource.com/c/go/+/397281
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[This CL is part of a sequence implementing the proposal #51082.
The design doc is at https://go.dev/s/godocfmt-design.]
Implement printing of plain text doc paragraphs.
For #51082.
Change-Id: Ieff0af64a900f566bfc833c3b5706488f1444798
Reviewed-on: https://go-review.googlesource.com/c/go/+/397279
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[This CL is part of a sequence implementing the proposal #51082.
The design doc is at https://go.dev/s/godocfmt-design.]
Implement parsing of plain text doc paragraphs,
as well as a txtar-based test framework. Subsequent CLs will
implement the rest of the possible markup.
For #51082.
Change-Id: I449aac69b44089f241fde8050ac134e17cb25116
Reviewed-on: https://go-review.googlesource.com/c/go/+/397278
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[This CL is part of a sequence implementing the proposal #51082.
The design doc is at https://go.dev/s/godocfmt-design.]
Implement just the data structures of the new API for
parsing and printing doc comments, as well as a syntax tree
form for inspecting and manipulating them.
The API itself was discussed and accepted as part of the
proposal process in #51082.
For #51082.
Change-Id: Iae7fbc85705964585273b970c5c62e394feb1288
Reviewed-on: https://go-review.googlesource.com/c/go/+/397276
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Adds a new, cryptobyte based, CRL parser, which returns a
x509.RevocaitonList, rather than a pkix.CertificateList. This allows us
to return much more detailed information, as well as leaving open the
option of adding further information since RevocationList is not a
direct ASN.1 representation like pkix.CertificateList. Additionally
a new method is added to RevocationList, CheckSignatureFrom, which is
analogous to the method with the same name on Certificate, which
properly checks that the signature is from an issuing certiifcate.
This change also deprecates a number of older CRL related functions and
types, which have been replaced with the new functionality introduced
in this change:
* crypto/x509.ParseCRL
* crypto/x509.ParseDERCRL
* crypto/x509.CheckCRLSignature
* crypto/x509/pkix.CertificateList
* crypto/x509/pkix.TBSCertificateList
Fixes#50674
Change-Id: I27dc219e39bef09a396e666b4fccaa32578fd913
Reviewed-on: https://go-review.googlesource.com/c/go/+/390834
Reviewed-by: Damien Neil <dneil@google.com>
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For very small inputs, h.Reset+h.Write+h.Sum64 is fundamentally
slower than a single operation, by about a factor of two, because
Write must copy the data into h's buffer, just in case there is another
Write before the Sum64.
A single function doing the whole sequence knows there is no extra
write that will happen, so it doesn't need the buffer, so it avoids the copy.
Fixes#42710.
Change-Id: Icc79c68ccb10827f6640071d026df86b4940fcc1
Reviewed-on: https://go-review.googlesource.com/c/go/+/392494
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CL 388915 added an exported API but was authored (and tested)
before the API check became stricter.
Updates #46057.
Change-Id: Iee6e4969ade77fb0539fa97fcef0047389fb2cf6
Reviewed-on: https://go-review.googlesource.com/c/go/+/398237
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Contributors to the loong64 port are:
Weining Lu <luweining@loongson.cn>
Lei Wang <wanglei@loongson.cn>
Lingqin Gong <gonglingqin@loongson.cn>
Xiaolin Zhao <zhaoxiaolin@loongson.cn>
Meidan Li <limeidan@loongson.cn>
Xiaojuan Zhai <zhaixiaojuan@loongson.cn>
Qiyuan Pu <puqiyuan@loongson.cn>
Guoqi Chen <chenguoqi@loongson.cn>
This port has been updated to Go 1.15.6:
https://github.com/loongson/go
For #46229
Change-Id: I0c58305754c20d2a59328adbd82caa527de254ec
Reviewed-on: https://go-review.googlesource.com/c/go/+/396735
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Trust: Cherry Mui <cherryyz@google.com>
The fix for #51112 introduced a depth check but used
ErrInternalError to avoid introduce new API in a CL that
would be backported to earlier releases.
New API accepted in proposal #51684.
This CL adds a distinct error for this case.
For #51112.
Fixes#51684.
Change-Id: I068fc70aafe4218386a06103d9b7c847fb7ffa65
Reviewed-on: https://go-review.googlesource.com/c/go/+/384617
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\u007f is not wrong but it's weird to use \u when we could use the
shorter \x.
Fixes#52062
Change-Id: Ica4bdc2463128051876f44e15297ed1e9edf1de8
Reviewed-on: https://go-review.googlesource.com/c/go/+/397255
Trust: Ian Lance Taylor <iant@golang.org>
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Add hooks to support reading of section definition symbol aux data
(including COMDAT information) from the aux symbols associated with
section definition symbols. The COFF symbol array made available by
"pe.File" includes entries for aux symbols, but doesn't expose their
structure (since it varies depending on the type of aux symbol). This
patch adds a function for returning a specific class of aux symbol
("type 5") that immediately follows a COFF symbol corresponding to a
section definition.
Updates #35006.
Updates #51868.
Change-Id: I21fcc057150f7a3c64f01a5961aabca0fa43399e
Reviewed-on: https://go-review.googlesource.com/c/go/+/394534
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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In preparation to make html/template and text/template use a
single generics package, this change make FuncMap a type alias
of text/template.FuncMap.
Fixes#46121
Change-Id: I5e94cc8fdf4fe029ff223992b5cdfe79f9c098ab
Reviewed-on: https://go-review.googlesource.com/c/go/+/389156
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The existing implementation of the xml decoder uses the line number
only for reporting syntax errors. The line number of the last read
token and the column within the line is useful for the users even
in non-error conditions.
Fixes#45628
Change-Id: I37b5033ff5ff8411793d8f5180f96aa4537e83f5
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Having the proposal numbers recorded in the API files
should help significantly when it comes time to audit
the new API additions at the end of each release cycle.
Change-Id: Id18e8cbdf892228a10ac17e4e21c7e17de5d4ff7
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Trust: Russ Cox <rsc@golang.org>
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Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
The TextVar function makes it easier to integrate the flag package
with any Go type that implements encoding.Text{Marshaler,Unmarshaler}.
Fixes#45754
Change-Id: Id23c37d59cf8c9699a7943a22ce27a45eb685c0f
Reviewed-on: https://go-review.googlesource.com/c/go/+/313329
Trust: Joseph Tsai <joetsai@digital-static.net>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Joseph Tsai <joetsai@digital-static.net>
TryBot-Result: Gopher Robot <gobot@golang.org>
CL 386017 added new API for encoding/binary package.
This file was accidentally not updated in the same CL.
Updates #50601
Change-Id: Iefeb596ba04b8c6576cf0fe42030f658a5848832
Reviewed-on: https://go-review.googlesource.com/c/go/+/389636
Trust: Joseph Tsai <joetsai@digital-static.net>
Run-TryBot: Joseph Tsai <joetsai@digital-static.net>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Since a String method cannot return an error, escape fields that may
contain unsanitized values, and unescape them during parsing.
Add a fuzz test to verify that calling the String method on any
BuildInfo returned by Parse produces a string that parses to the same
BuildInfo. (Note that this doesn't ensure that String always produces
a parseable input: we assume that a user constructing a BuildInfo
provides valid paths and versions, so we don't bother to escape those.
It also doesn't ensure that ParseBuildInfo accepts all inputs that
ought to be valid.)
Fixes#51026
Change-Id: Ida18010ce47622cfedb1494060f32bd7705df014
Reviewed-on: https://go-review.googlesource.com/c/go/+/384154
Trust: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Matloob <matloob@golang.org>
