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Commit Graph

29 Commits

Author SHA1 Message Date
Carl Johnson
fd6ef06296 io: add an Err field to LimitedReader
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
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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Run-TryBot: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
2022-05-04 20:06:32 +00:00
Russ Cox
ffe48e00ad sync/atomic: add typed atomic values
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
Reviewed-by: Michael Pratt <mpratt@google.com>
Run-TryBot: Russ Cox <rsc@golang.org>
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2022-05-04 18:05:18 +00:00
Michael Anthony Knyszek
f01c20bf2b runtime/debug: export SetMemoryLimit
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>
Run-TryBot: Michael Knyszek <mknyszek@google.com>
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2022-05-03 15:14:09 +00:00
Russ Cox
349cc83389 os/exec: return error when PATH lookup would use current directory
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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2022-05-02 14:54:05 +00:00
Bryan Mills
f2b674756b Revert "os/exec: return error when PATH lookup would use current directory"
This reverts CL 381374.

Reason for revert: broke tests for x/sys/execabs.

Updates #43724.
Updates #43947.

Change-Id: I9eb3adb5728dead66dbd20f6afe1e7a77e2a26f1
Reviewed-on: https://go-review.googlesource.com/c/go/+/403058
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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2022-04-29 23:04:17 +00:00
Russ Cox
3ce203db80 os/exec: return error when PATH lookup would use current directory
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
Reviewed-by: Bryan Mills <bcmills@google.com>
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2022-04-29 20:16:31 +00:00
Carl Johnson
a5d61be040 net/http: add MaxBytesError
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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2022-04-25 23:36:50 +00:00
Ian Lance Taylor
0bf545e51f regexp/syntax: rename ErrInvalidDepth to ErrNestingDepth
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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2022-04-22 22:35:03 +00:00
Ian Lance Taylor
575fd8817a regexp: change ErrInvalidDepth message to match proposal
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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2022-04-22 00:10:17 +00:00
Bryan C. Mills
b34838913d os/exec: set PWD implicitly if Dir is non-empty and Env is nil
Fixes #50599.

Change-Id: I4e5dbb3972cdf21ede049567bfb98f2c992c5849
Reviewed-on: https://go-review.googlesource.com/c/go/+/401340
Run-TryBot: Bryan Mills <bcmills@google.com>
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2022-04-21 17:37:05 +00:00
Joe Tsai
35a92f92bd encoding/binary: add AppendVarint AppendUvarint
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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2022-04-15 01:19:37 +00:00
Roland Shoemaker
9298f604f4 crypto/x509: add CertPool.Clone
Export the previously private method copy as Clone.

Fixes #35044

Change-Id: I5403d6a3b9f344c980c1c89a6823e1a49dcda26b
Reviewed-on: https://go-review.googlesource.com/c/go/+/400175
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2022-04-13 19:04:59 +00:00
Russ Cox
27b7b1fa19 go/doc: use go/doc/comment
[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
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2022-04-11 16:31:52 +00:00
Russ Cox
6eceabf119 go/doc/comment: parse and print headings
[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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2022-04-11 16:31:46 +00:00
Russ Cox
910a33a0ee go/doc/comment: parse and print doc links
[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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2022-04-11 16:31:42 +00:00
Russ Cox
6130b88130 go/doc/comment: add Printer and basic comment printing
[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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2022-04-11 16:31:40 +00:00
Russ Cox
98b17892a0 go/doc/comment: add paragraph parsing and test framework
[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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2022-04-11 16:31:37 +00:00
Russ Cox
494b79f39a go/doc/comment: add data structures
[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
Run-TryBot: Russ Cox <rsc@golang.org>
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2022-04-11 16:31:33 +00:00
Eli Bendersky
063f4032f5 sort: add Find function
For golang/go#50340

Change-Id: I3b4d278affc8e7ec706db8c9777f7a8c8ce7441d
Reviewed-on: https://go-review.googlesource.com/c/go/+/396514
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2022-04-07 14:42:13 +00:00
Roland Shoemaker
2de2f6df64 crypto/x509: add new CRL parser, deprecate old one
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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2022-04-05 23:32:55 +00:00
Russ Cox
9e16cc1541 hash/maphash: add Bytes and String
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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2022-04-05 18:01:26 +00:00
Dmitri Shuralyov
eec47d06c1 api: add x509.CertPool.Equal to next/46057.txt
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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2022-04-05 03:54:36 +00:00
Xiaodong Liu
cd33b4089c debug: define ELF relocation for loong64
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
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Cherry Mui <cherryyz@google.com>
2022-04-04 21:43:42 +00:00
Russ Cox
1af60b2f49 regexp/syntax: add and use ErrInvalidDepth
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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2022-04-04 10:59:27 +00:00
Than McIntosh
378221bd6e debug/pe: add APIs for reading section def aux info
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
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2022-03-31 14:57:35 +00:00
Emmanuel T Odeke
81f1cc52ab html/template: make FuncMap a type alias of text/template.FuncMap
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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2022-03-31 00:54:34 +00:00
Patrick Gundlach
0eea25159f encoding/xml: expose decoder line and column
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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2022-03-27 20:26:46 +00:00
Carl Johnson
0bbd05b826 time: add Duration.Abs
Fixes #51414

Change-Id: Ia3b1674f2a902c8396fe029397536643a3bc1784
GitHub-Last-Rev: 67159648af
GitHub-Pull-Request: golang/go#51739
Reviewed-on: https://go-review.googlesource.com/c/go/+/393515
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2022-03-27 20:23:17 +00:00
Russ Cox
b7041c7ad1 cmd/api: require proposal # for new API features
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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2022-03-14 21:43:16 +00:00