Fixes#54768
Change-Id: I588ae33c13e0bbd9d324c11771667b22a864047d
Reviewed-on: https://go-review.googlesource.com/c/go/+/483175
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Expose "http: server gave HTTP response to HTTPS client" error as `ErrSchemeMismatch`, so that it can be compared with `errors.Is` .
Fixes#44855
Change-Id: If96e0d000fdef641fea407310faf9e1c4f7ad0f0
GitHub-Last-Rev: 22879fc883
GitHub-Pull-Request: golang/go#50939
Reviewed-on: https://go-review.googlesource.com/c/go/+/382117
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These are replaced by unsafe.String etc, which were added in Go 1.20.
Per https://go.dev/wiki/Deprecated, we must wait until Go 1.21
to mark them deprecated.
Fixes#56906.
Change-Id: I4198c3f3456e9e2031f6c7232842e187e6448892
Reviewed-on: https://go-review.googlesource.com/c/go/+/452762
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This adds the three functions from #56102 to the sync package. These
provide a convenient API for the most common uses of sync.Once.
The performance of these is comparable to direct use of sync.Once:
$ go test -run ^$ -bench OnceFunc\|OnceVal -count 20 | benchstat -row .name -col /v
goos: linux
goarch: amd64
pkg: sync
cpu: 11th Gen Intel(R) Core(TM) i7-1185G7 @ 3.00GHz
│ Once │ Global │ Local │
│ sec/op │ sec/op vs base │ sec/op vs base │
OnceFunc 1.3500n ± 6% 2.7030n ± 1% +100.22% (p=0.000 n=20) 0.3935n ± 0% -70.86% (p=0.000 n=20)
OnceValue 1.3155n ± 0% 2.7460n ± 1% +108.74% (p=0.000 n=20) 0.5478n ± 1% -58.35% (p=0.000 n=20)
The "Once" column represents the baseline of how code would typically
express these patterns using sync.Once. "Global" binds the closure
returned by OnceFunc/OnceValue to global, which is how I expect these
to be used most of the time. Currently, this defeats some inlining
opportunities, which roughly doubles the cost over sync.Once; however,
it's still *extremely* fast. Finally, "Local" binds the returned
closure to a local variable. This unlocks several levels of inlining
and represents pretty much the best possible case for these APIs, but
is also unlikely to happen in practice. In principle the compiler
could recognize that the global in the "Global" case is initialized in
place and never mutated and do the same optimizations it does in the
"Local" case, but it currently does not.
Fixes#56102
Change-Id: If7355eccd7c8de7288d89a4282ff15ab1469e420
Reviewed-on: https://go-review.googlesource.com/c/go/+/451356
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Auto-Submit: Austin Clements <austin@google.com>
Similar to dialMPTCP, this listenMPTCP function is called when the user
has requested MPTCP via SetMultipathTCP in the ListenConfig.
This function falls back to listenTCP on operating systems that do not
support MPTCP or if MPTCP is not supported.
On ListenConfig side, MultipathTCP function can be used to know if the
package will try to use MPTCP or not when Listen is called.
Note that this new listenMPTCP function returns a TCPListener object and
not a new MPTCP dedicated one. The reasons are similar as the ones
explained in the parent commit introducing dialTCP: if MPTCP is used by
default later, Listen will return a different object that could break
existing applications expecting TCPListener.
This work has been co-developped by Gregory Detal
<gregory.detal@tessares.net>.
Updates #56539
Change-Id: I010f1d87f921bbac9e157cef2212c51917852353
Reviewed-on: https://go-review.googlesource.com/c/go/+/471137
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This function is called when the user has requested MPTCP via
SetMultipathTCP in the Dialer.
This new function falls back to dialTCP on operating systems that do not
support MPTCP or if MPTCP is not supported.
On Dialer side, MultipathTCP function can be used to know if the package
will try to use MPTCP or not when Dial is called.
Note that this new dialMPTCP function returns a TCPConn object, like
dialTCP. A new MPTCPConn object using the following composition could
have been returned:
type MPTCPConn struct {
*TCPConn
}
But the drawback is that if MPTCP is used by default one day (see #56539
issue on GitHub), Dial will return a different object: this new
MPTCPConn type instead of the previously expected TCPConn. This can
cause issues for apps checking the returned object.
This work has been co-developped by Gregory Detal
<gregory.detal@tessares.net>.
Updates #56539
Change-Id: I0f9b5b81f630b39142bdd553d4f1b4c775f1dff0
Reviewed-on: https://go-review.googlesource.com/c/go/+/471136
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WithoutCancel returns a copy of parent that is not canceled when parent is canceled.
The returned context returns no Deadline or Err, and its Done channel is nil.
Calling Cause on the returned context returns nil.
API changes:
+pkg context, func WithoutCancel(Context) Context
Fixes#40221
Change-Id: Ide29631c08881176a2c2a58409fed9ca6072e65d
Reviewed-on: https://go-review.googlesource.com/c/go/+/479918
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The slog structured logging package.
This code was copied from the slog directory of the x/exp repo
at commit 642cacee5cc05231f45555a333d07f1005ffc287, with the
following changes:
- Change import paths.
- Delete unused files list.go, list_test.go.
- Rename example_depth_test.go to example_wrap_test.go and
adjust example output.
- Change the tag safe_values to safe_slog_values.
- Make captureHandler goroutine-safe to fix a race condition
in benchmarks.
- Other small changes as suggested in review comments.
Also, add dependencies to go/build/deps_test.go.
Also, add new API for the API checker.
Updates golang/go#56345.
Change-Id: Id8d720967571ced5c5f32c84a8dd9584943cd7df
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Fixes#53747
Based on CL 416514
Change-Id: I1ff79c6290b06dfa8672a473045e8fe80c22afcf
GitHub-Last-Rev: 74fba9b309
GitHub-Pull-Request: golang/go#59013
Reviewed-on: https://go-review.googlesource.com/c/go/+/476015
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Per the updated go.dev/wiki/Deprecated, those APIs replaced by
crypto/ecdh (added in Go 1.20) can now be marked as deprecated
in Go 1.21.
Updates #52221
Updates #34648
Change-Id: Id0e11d7faa3a58a1716ce1ec6e2fff97bab96259
Reviewed-on: https://go-review.googlesource.com/c/go/+/459977
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The Testing function reports whether the program is a test created
by "go test".
Fixes#52600
Change-Id: Ie0fff7c7dfdfdf997c18b4b6112632600b327cc8
Reviewed-on: https://go-review.googlesource.com/c/go/+/475496
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Creates x509.RevocationListEntry, a new type representing a single
revoked certificate entry in a CRL. Like the existing Certificate and
RevocationList types, this new type has a field for its Raw bytes, and
exposes its mostly-commonly-used extension (ReasonCode) as a top-level
field. This provides more functionality to the user than the existing
pkix.RevokedCertificate type.
Adds a RevokedCertificateEntries field which is a []RevocationListEntry
to RevocationList. This field deprecates the RevokedCertificates field.
When the RevokedCertificates field is removed in a future release, this
will remove one of the last places where a pkix type is directly exposed
in the x509 package API.
Updates the ParseRevocationList function to populate both fields for
now, and updates the CreateRevocationList function to prefer the new
field if it is populated, but use the deprecated field if not. Finally,
also updates the x509 unit tests to use the new .ReasonCode field in
most cases.
Fixes#53573
Change-Id: Ia6de171802a5bd251938366508532e806772d7d8
Reviewed-on: https://go-review.googlesource.com/c/go/+/468875
Reviewed-by: Cherry Mui <cherryyz@google.com>
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This adds a new Buffer.AvailableBuffer method that returns
an empty buffer with a possibly non-empty capacity for use
with append-like APIs.
The typical usage pattern is something like:
b := bb.AvailableBuffer()
b = appendValue(b, v)
bb.Write(b)
It allows logic combining append-like APIs with Buffer
to avoid needing to allocate and manage buffers themselves and
allows the append-like APIs to directly write into the Buffer.
The Buffer.Write method uses the builtin copy function,
which avoids copying bytes if the source and destination are identical.
Thus, Buffer.Write is a constant-time call for this pattern.
Performance:
BenchmarkBufferAppendNoCopy 2.909 ns/op 5766942167.24 MB/s
This benchmark should only be testing the cost of bookkeeping
and never the copying of the input slice.
Thus, the MB/s should be orders of magnitude faster than RAM.
Fixes#53685
Change-Id: I0b41e54361339df309db8d03527689b123f99085
Reviewed-on: https://go-review.googlesource.com/c/go/+/474635
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Fixes#41198
Change-Id: Ib33a11d0eb311f8e2b81de24d11df49e00b2fc81
Reviewed-on: https://go-review.googlesource.com/c/go/+/473935
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Add support for concurrently reading from an HTTP/1 request body
while writing the response.
Normally, the HTTP/1 server automatically consumes any remaining
request body before starting to write a response, to avoid deadlocking
clients which attempt to write a complete request before reading the
response.
Add a ResponseController.EnableFullDuplex method which disables this
behavior.
For #15527
For #57786
Change-Id: Ie7ee8267d8333e9b32b82b9b84d4ad28ab8edf01
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Add functionality to retrieve values for .dynamic entries that don't
correspond to entries in the string table.
Fixes#56892
Change-Id: I6edabc8ca331c819e442d06e19b7f4df8343372b
Reviewed-on: https://go-review.googlesource.com/c/go/+/452617
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For #56986, go/build needs to report up to cmd/go
about //go:debug lines found in the source code.
Rather than make a special case for //go:debug,
this change gathers all top-level directives above the
package line and includes them in the result.
The go command's module index must match go/build,
so this CL contains the code to update the index as well.
A future CL will use the //go:debug lines to prepare the default
GODEBUG settings, as well as rejecting such lines in non-main
packages.
Change-Id: I66ab8dc72f9cd65c503b10b744367caca233f8a6
Reviewed-on: https://go-review.googlesource.com/c/go/+/453603
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Introduce a new SysProcAttr member called Jail on FreeBSD. This allows
supplying an existing jail's ID to which the child process is attached
before calling the exec system call.
Fixes#46259
Change-Id: Ie282e5b83429131f9a9e1e27cfcb3bcc995d1d4d
Reviewed-on: https://go-review.googlesource.com/c/go/+/458335
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The freebsd/riscv64 port was added in go1.20, make cmd/api aware of it and
backfill API files.
For #58582
Change-Id: I242b161cdb6221c8f60a1868c6435be26fca0078
Reviewed-on: https://go-review.googlesource.com/c/go/+/469135
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The freebsd/arm64 port was added in go1.14, make cmd/api aware of it and
backfill API files.
For #58582
Change-Id: I8b25c6cf5a66611d90d225762b257679a4abface
Reviewed-on: https://go-review.googlesource.com/c/go/+/469115
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This change introduces the Compare and Compare32 functions
based on the total-ordering predicate in IEEE-754, section 5.10.
In particular,
* -NaN is ordered before any other value
* +NaN is ordered after any other value
* -0 is ordered before +0
* All other values are ordered the usual way
Compare-8 0.4537n ± 1%
Compare32-8 0.3752n ± 1%
geomean 0.4126n
Fixes#56491.
Change-Id: I5c9c77430a2872f380688c1b0a66f2105b77d5ac
Reviewed-on: https://go-review.googlesource.com/c/go/+/467515
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This copies parts of x/exp/slices into the standard library.
We omit all functions that depend on constraints.Ordered,
and the Func variants of all such functions. In particular this
omits the various Sort and Search functions.
Fixes#57433
Change-Id: I3c28f4c2e6bd1e3c9ad70e120a0dd68065388f77
Reviewed-on: https://go-review.googlesource.com/c/go/+/467417
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This change introduces the Compare and Compare32 functions
based on the total-ordering predicate in IEEE-754, section 5.10.
In particular,
* -NaN is ordered before any other value
* +NaN is ordered after any other value
* -0 is ordered before +0
* All other values are ordered the usual way
name time/op
Compare-8 0.24ns ± 1%
Compare32-8 0.24ns ± 0%
Fixes#56491.
Change-Id: I9444fbfefe26741794c4436a26d403b8da97bdaf
Reviewed-on: https://go-review.googlesource.com/c/go/+/459435
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Update unicode/tables.go to reflect changes in the Unicode Standard up to
Unicode 15.0.0, released 13 Sept 2022.
In order to accommodate this update, strconv/isPrint has been updated to
reflect changes in printable characters.
Also changed is template/exec_test.go for both text and html packages- in
the test "TestJSEscaping", rune U+FDFF was used as a placeholder for an
unprintable character. This codepoint was assigned and made printable in
Unicode 14.0.0, breaking this test. It has been replaced with the assigned
and never-printable U+FFFE to fix the test and provide resiliency in the
future.
This upgrade bypasses Unicode 14.0.0, but is compatible.
Updates https://github.com/golang/go/issues/48621
Fixes https://github.com/golang/go/issues/55079
Change-Id: I40efd097eb746db0727ebf7437280916d1242e47
GitHub-Last-Rev: c8885cab7a
GitHub-Pull-Request: golang/go#57265
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This copies x/exp/maps into the standard library (except for the Clear
function which is now available as the clear builtin.)
Fixes#57436
Change-Id: I30dd470c2f7ae34c7c82b4c1025a7582d61fabaa
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This operation converts a big.Int to float64,
reporting the accuracy of the result, with
a fast path in hardware.
Fixes#56984
Change-Id: I86d0fb0e105a06a4009986f2f5fd87a4d446f6f9
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This method returns the array updated by SetLines, for
use in exporter packages.
Fixes#57708
Change-Id: I12ed5e7e1bae7517f40cb25e76e51997c25d84f4
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Updates #57237
Change-Id: I149c8b7eeac91b87b5810250f96d48ca87135807
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Long ago we decided that panic(nil) was too unlikely to bother
making a special case for purposes of recover. Unfortunately,
it has turned out not to be a special case. There are many examples
of code in the Go ecosystem where an author has written panic(nil)
because they want to panic and don't care about the panic value.
Using panic(nil) in this case has the unfortunate behavior of
making recover behave as though the goroutine isn't panicking.
As a result, code like:
func f() {
defer func() {
if err := recover(); err != nil {
log.Fatalf("panicked! %v", err)
}
}()
call1()
call2()
}
looks like it guarantees that call2 has been run any time f returns,
but that turns out not to be strictly true. If call1 does panic(nil),
then f returns "successfully", having recovered the panic, but
without calling call2.
Instead you have to write something like:
func f() {
done := false
defer func() {
if err := recover(); !done {
log.Fatalf("panicked! %v", err)
}
}()
call1()
call2()
done = true
}
which defeats nearly the whole point of recover. No one does this,
with the result that almost all uses of recover are subtly broken.
One specific broken use along these lines is in net/http, which
recovers from panics in handlers and sends back an HTTP error.
Users discovered in the early days of Go that panic(nil) was a
convenient way to jump out of a handler up to the serving loop
without sending back an HTTP error. This was a bug, not a feature.
Go 1.8 added panic(http.ErrAbortHandler) as a better way to access the feature.
Any lingering code that uses panic(nil) to abort an HTTP handler
without a failure message should be changed to use http.ErrAbortHandler.
Programs that need the old, unintended behavior from net/http
or other packages can set GODEBUG=panicnil=1 to stop the run-time error.
Uses of recover that want to detect panic(nil) in new programs
can check for recover returning a value of type *runtime.PanicNilError.
Because the new GODEBUG is used inside the runtime, we can't
import internal/godebug, so there is some new machinery to
cross-connect those in this CL, to allow a mutable GODEBUG setting.
That won't be necessary if we add any other mutable GODEBUG settings
in the future. The CL also corrects the handling of defaulted GODEBUG
values in the runtime, for #56986.
Fixes#25448.
Change-Id: I2b39c7e83e4f7aa308777dabf2edae54773e03f5
Reviewed-on: https://go-review.googlesource.com/c/go/+/461956
Reviewed-by: Robert Griesemer <gri@google.com>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Russ Cox <rsc@golang.org>
The darwin arm64 port was added in Go 1.16 and is a first-class port,
so it should be tracked by cmd/api. This CL does that, backfilling
API files as needed.
It also removes a spurious cgo.Incomplete API feature.
Change-Id: Idd995677915e81bf1c2e09be65b31e084b75f668
Reviewed-on: https://go-review.googlesource.com/c/go/+/453260
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
End-of-line comments are not doc comments,
so Deprecated notes in them are not recognized
as deprecation notices. Rewrite the comments.
Change-Id: I275fa9aec403132fda45853e52daa22bc06fcd36
Reviewed-on: https://go-review.googlesource.com/c/go/+/453617
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
Reviewed-by: Ian Lance Taylor <iant@google.com>
End-of-line comments are not doc comments,
so Deprecated notes in them are not recognized
as deprecation notices. Rewrite the comments.
Change-Id: Idc4681924f9a7e9ead62f672ef8a763e70db1f0f
Reviewed-on: https://go-review.googlesource.com/c/go/+/453616
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Russ Cox <rsc@golang.org>
Auto-Submit: Russ Cox <rsc@golang.org>
End-of-line comments are not doc comments,
so Deprecated notes in them are not recognized
as deprecation notices. Rewrite the comments.
Change-Id: Idb19603d7fc2ec8e3a2f74bacb74fbbec5583d20
Reviewed-on: https://go-review.googlesource.com/c/go/+/453615
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Deprecating an API creates notices that go out to potentially
millions of Go developers encouraging them to update their code.
The choice to deprecate an API is as important as the choice to
add a new API. We should track those and make them explicit.
This will also ensure that deprecations go through proposal review.
Change-Id: Ide9f60c32e5a88fb133e0dfedd984b8b0f70f510
Reviewed-on: https://go-review.googlesource.com/c/go/+/453259
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Auto-Submit: Russ Cox <rsc@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Ordinary interface types now satisfy comparable constraints. This
is a fully backward-compatible change: it simply permits additional
code to be valid that wasn't valid before.
This change makes the new comparable semantics the default behavior,
depending on the Go -lang version.
It also renames the flag types2.Config.AltComparableSemantics to
types2.Config.OldComparableSemantics and inverts its meaning
(or types.Config.oldComparableSemantics respectively).
Add new predicate Satisfies (matching the predicate Implements but
for constraint satisfaction), per the proposal description.
Adjust some existing tests by setting -oldComparableSemantics
and add some new tests that verify version-dependent behavior.
The compiler flag -oldcomparable may be used to temporarily
switch back to the Go 1.18/1.19 behavior should this change
cause problems, or to identify that a problem is unrelated
to this change. The flag will be removed for Go 1.21.
For #52509.
For #56548.
For #57011.
Change-Id: I8b3b3d9d492fc24b0693567055f0053ccb5aeb42
Reviewed-on: https://go-review.googlesource.com/c/go/+/454575
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@google.com>
Run-TryBot: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
This is missing a test for Ed25519ph with context, since the RFC doesn't
provide one.
Fixes#31804
Change-Id: I20947374c51c6b22fb2835317d00edf816c9a2d2
Reviewed-on: https://go-review.googlesource.com/c/go/+/404274
Auto-Submit: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Adds a method which allows users to set a fallback certificate pool for
usage during verification if the system certificate pool is empty.
Updates #43958
Change-Id: I279dd2f753743bce19790f2ae29f063c89c9359d
Reviewed-on: https://go-review.googlesource.com/c/go/+/449235
Run-TryBot: Roland Shoemaker <roland@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Roland Shoemaker <roland@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Return a distinguishable error when reading an archive file
with a path that is:
- absolute
- escapes the current directory (../a)
- on Windows, a reserved name such as NUL
Users may ignore this error and proceed if they do not need name
sanitization or intend to perform it themselves.
Fixes#25849Fixes#55356
Change-Id: Ieefa163f00384bc285ab329ea21a6561d39d8096
Reviewed-on: https://go-review.googlesource.com/c/go/+/449937
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Damien Neil <dneil@google.com>
Auto-Submit: Damien Neil <dneil@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
IsLocal reports whether a path lexically refers to a location
contained within the directory in which it is evaluated.
It identifies paths that are absolute, escape a directory
with ".." elements, and (on Windows) paths that reference
reserved device names.
For #56219.
Change-Id: I35edfa3ce77b40b8e66f1fc8e0ff73cfd06f2313
Reviewed-on: https://go-review.googlesource.com/c/go/+/449239
Run-TryBot: Damien Neil <dneil@google.com>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Joedian Reid <joedian@golang.org>
