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Commit Graph

11036 Commits

Author SHA1 Message Date
Shenghou Ma
31eedd7f3e io: SectionReader.ReadAt should return EOF when buf is not fully read
Fixes #4392.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6858062
2012-12-13 18:36:24 +08:00
Mikio Hara
feb509c794 net: make TestDialTimeoutFDLeak a bit robust
TestDialTimeoutFDLeak will fail when system state somaxconn is
greater than expected fixed value.

Fixes #4384 (again).

R=fullung, dave, rsc
CC=golang-dev
https://golang.org/cl/6873069
2012-12-13 16:21:25 +09:00
Albert Strasheim
b978995f5d runtime/race: fix test for GOMAXPROCS>1
Fixes #4530.

R=dvyukov, dave
CC=golang-dev
https://golang.org/cl/6933052
2012-12-13 10:14:32 +04:00
James David Chalfant
309eae1923 database/sql: Alter *DB.begin to return driver.ErrBadConn when driver.Conn.Begin returns driver.ErrBadConn
Fixes #4433

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6845094
2012-12-12 22:04:55 -08:00
Dave Cheney
ae12e96350 log/syslog: fix flakey test on slow hosts
Fixes #4467.

The syslog tests can fail if the timeout fires before the data arrives at the mock server. Moving the timeout onto the goroutine that is calling ReadFrom() and always processing the data returned before handling the error should improve the reliability of the test.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6920047
2012-12-13 16:26:20 +11:00
Brad Fitzpatrick
f85b94aa85 net/http: return nicer error when Client request Host is blank
Update #4271

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6931052
2012-12-12 12:23:01 -08:00
Brad Fitzpatrick
be5ce4e027 net/http: remove a stale cookie TODO comment, add a test
Fixes #4528

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6922054
2012-12-12 11:36:44 -08:00
Brad Fitzpatrick
08ce7f1d5c net/http: follow certain redirects after POST requests
Fixes #4145

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6923055
2012-12-12 11:09:55 -08:00
Daniel Morsing
bf59aafddc cmd/gc: Give better line numbers for errors in composite literals.
Credit to Russ for suggesting this fix.

Fixes #3925.

R=golang-dev, franciscossouza, rsc
CC=golang-dev
https://golang.org/cl/6920051
2012-12-12 16:43:54 +01:00
Dave Cheney
11d96dd7f5 go/build: give better explanation for "cannot find package"
Fixes #4079.

Some example output:

% go install foo/bar
can't load package: package foo/bar: cannot find package "foo/bar" in any of:
        /home/dfc/go/src/pkg/foo/bar (from $GOROOT)
        /home/dfc/src/foo/bar (from $GOPATH)
        /home/dfc/src2/src/foo/bar

% GOPATH= go install foo/bar
can't load package: package foo/bar: cannot find package "foo/bar" in any of:
	/home/dfc/go/src/pkg/foo/bar (from $GOROOT)
	($GOPATH not set)

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6899057
2012-12-12 21:38:52 +11:00
Dave Cheney
5bdf40dcca cmd/5g: avoid temporary during OMINUS
Saves one MOVW and one register during the fast div/mod introduced in CL 6819123.

linux/arm (armv5)

benchmark               old ns/op    new ns/op    delta
BenchmarkInt64Mod1             12           12   +7.50%
BenchmarkUint16Mod2             7            7   +0.28%
BenchmarkUint16Mod4             7            7   -0.28%
BenchmarkUint64Mod1            15           11  -23.72%
BenchmarkInt8Neg                8            7  -17.66%
BenchmarkInt16Neg               8            7  -17.66%
BenchmarkInt32Neg               5            5   -9.04%
BenchmarkUint8Neg               7            6  -14.35%
BenchmarkUint16Neg              8            7  -17.66%
BenchmarkUint32Neg              5            5   -9.04%

R=rsc
CC=golang-dev
https://golang.org/cl/6842045
2012-12-12 19:25:22 +11:00
Rémy Oudompheng
11999306df cmd/gc: don't import the same package multiple times.
Implementation suggested by DMorsing.

R=golang-dev, dave, daniel.morsing, rsc
CC=golang-dev
https://golang.org/cl/6903059
2012-12-12 08:47:09 +01:00
Rémy Oudompheng
a617d06252 cmd/6g, cmd/8g: simplify integer division code.
Change suggested by iant. The compiler generates
special code for a/b when a is -0x80...0 and b = -1.
A single instruction can cover the case where b is -1,
so only one comparison is needed.

Fixes #3551.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6922049
2012-12-12 08:35:08 +01:00
Dave Cheney
4766a35e7c net: TestDialTimeoutFDLeak failure
Fixes #4384.

Implments the suggestion by rsc in comment 15, http://code.google.com/p/go/issues/detail?id=4384#c15

An alternate suggestion would be to temporarily set GOMAXPROCS to 1 during this test.

R=fullung, rsc
CC=golang-dev
https://golang.org/cl/6923046
2012-12-12 07:25:07 +11:00
Ryan Slade
9a12a9c594 encoding/csv: add Error method to Writer
Fixed issue 3931

R=bradfitz, rsc
CC=golang-dev
https://golang.org/cl/6923049
2012-12-11 13:29:13 -05:00
Robert Griesemer
1a6f8dcbaf exp/types: filling in more blanks
- implemented built-in complex()
- implemented missing expression switch checks

R=rsc
CC=golang-dev
https://golang.org/cl/6920046
2012-12-11 10:17:33 -08:00
Miquel Sabaté Solà
0dd0e1ad0c cmd/gc: merge casep and casee labels
The code inside the casee and casep labels can perfectly be merged since
they essentially do the same. The character to be stored where cp points is
just the character contained by the c variable.

R=golang-dev, dave, rsc
CC=golang-dev
https://golang.org/cl/6845112
2012-12-11 12:23:04 -05:00
Russ Cox
3c6c88319e regexp: re-enable TestBadCompile
The code that was commented out was for the old regexp package.
In the new one the errors and the space of valid regexps are different.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6873063
2012-12-11 12:19:39 -05:00
Luit van Drongelen
f4fc163d17 math/big: add SetUint64 and Uint64 functions to *Int
Implementation is mostly identical to passing a non-negative int64 to
SetInt64, and calling Int64 with a non-negative value in the *Int.
Fixes #4389.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6929048
2012-12-11 12:19:10 -05:00
Brad Fitzpatrick
a6701f2699 net/http, net/url: permit Request-URI "*"
Also, implement a global OPTIONS * handler, like Apache.

Permit sending "*" requests to handlers, but not path-based
(ServeMux) handlers.  That means people can go out of their
way to support SSDP or SIP or whatever, but most users will be
unaffected.

See RFC 2616 Section 5.1.2 (Request-URI)
See RFC 2616 Section 9.2 (OPTIONS)

Fixes #3692

R=rsc
CC=golang-dev
https://golang.org/cl/6868095
2012-12-11 12:07:27 -05:00
Brad Fitzpatrick
fc3936380b syscall: let mkall.sh work on multiarch systems (like Precise)
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6912063
2012-12-11 12:03:18 -05:00
Brian Ketelsen
1b46e4cd9a regexp/syntax: export ErrUnexpectedParen
Fixes #3712

R=golang-dev, dave, rsc
CC=golang-dev
https://golang.org/cl/6902069
2012-12-11 12:02:14 -05:00
Russ Cox
07cc05864c fmt: fix %v of complex slice
Fixes #4525.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6929049
2012-12-11 11:49:41 -05:00
Shenghou Ma
15353d2114 encoding/base64: new example for NewEncoder with emphasis on Close
Fixes #4394.

R=iant, bradfitz, rsc, remigius.gieben
CC=golang-dev
https://golang.org/cl/6847125
2012-12-11 11:49:02 -05:00
Daniel Morsing
0d22573f6e cmd/gc: remove bad check for BADWIDTH
This check for BADWIDTH might happen while in defercheckwidth, making it raise errors for non-erroneous situations.

Fixes #4495.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6927043
2012-12-11 17:36:10 +01:00
Rick Arnold
2f45f2801d net/url: fix handling of relative paths in ResolveReference.
Fixes #3560.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6886047
2012-12-11 11:06:07 -05:00
Russ Cox
f0d9ccb8da bufio: minor fixes
* note end-of-line and EOF behavior for ReadLine
* diagnose broken Readers

Fixes #3825.
Fixes #4276.

R=golang-dev, dave
CC=golang-dev
https://golang.org/cl/6907060
2012-12-10 17:25:31 -05:00
Brad Fitzpatrick
575de93dd3 mime/multipart: allow setting the Writer boundary
Fixes #4490

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6924044
2012-12-10 16:30:42 -05:00
Brad Fitzpatrick
bef036e3d1 syscall: add type for struct tcp_info
R=mikioh.mikioh, rsc
CC=golang-dev
https://golang.org/cl/6900050
2012-12-10 11:32:07 -05:00
Francisco Souza
76de81da50 encoding/xml: fix typo in Marshal documentation
Fixes #4512.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6917043
2012-12-10 10:59:15 -05:00
Russ Cox
91527eb1d7 net/rpc: document that Register logs to standard error
Also fix spurious & in example.

Fixes #4349.
Fixes #4489.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/6905058
2012-12-10 01:42:53 -05:00
Russ Cox
4f3dd833e3 net/http: fix text for ErrBodyReadAfterClose
Can happen in both request and response.
Also use it in one place that wasn't.

Fixes #3997.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6903057
2012-12-10 01:42:10 -05:00
Dave Cheney
033e915481 cmd/go: add GOOS/GOARCH to go version output
Fixes #4492.

% go version
go version devel +6b602ab487d6 Sat Dec 08 14:43:00 2012 +0100 linux/amd64

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6906058
2012-12-10 07:05:17 +11:00
Rémy Oudompheng
10d14b63c2 cmd/gc: prevent ngotype from allocating.
R=golang-dev, dave, rsc
CC=golang-dev
https://golang.org/cl/6904061
2012-12-09 19:27:23 +01:00
Rémy Oudompheng
45fe306ac8 cmd/[568]g: recycle ONAME nodes used in regopt to denote registers.
The reported decrease in memory usage is about 5%.

R=golang-dev, dave, rsc
CC=golang-dev
https://golang.org/cl/6902064
2012-12-09 19:10:52 +01:00
Russ Cox
00cd6a3be3 time: add Round and Truncate
New in Go 1 will be nanosecond precision in the result of time.Now on Linux.
This will break code that stores time in external formats at microsecond
precision, reads it back, and expects to get exactly the same time.

Code like that can be fixed by using time.Now().Round(time.Microsecond)
instead of time.Now() in those contexts.

R=golang-dev, bradfitz, iant, remyoudompheng
CC=golang-dev
https://golang.org/cl/6903050
2012-12-09 03:59:33 -05:00
Rémy Oudompheng
561edbd63c cmd/gc: do not export useless private symbols.
Fixes #4252.

R=rsc, golang-dev, mirtchovski, daniel.morsing, dave, lvd
CC=golang-dev
https://golang.org/cl/6856126
2012-12-08 14:43:00 +01:00
David Symonds
ec45952670 math/rand: fix typo in example comment.
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/6901056
2012-12-08 19:20:38 +11:00
Russ Cox
b99161e41f math/rand: add example / regression test
This makes sure the outputs do not change for a fixed seed.
See also https://golang.org/cl/6905049.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6907048
2012-12-07 11:58:59 -05:00
Russ Cox
ff2534e076 undo CL 6845121 / 79603a5e4cda
This changes the output of

rand.Seed(0)
perm := rand.Perm(100)

When giving the same seeds to Go 1.0 and Go 1.1 programs
I would like them to generate the same random numbers.

««« original CL description
math/rand: remove noop iteration in Perm

The first iteration always do `m[0], m[0] = m[0], m[0]`, because
`rand.Intn(1)` is 0.

fun note: IIRC in TAOCP version of this algorithm, `i` goes
backward (n-1->1), meaning that the "already" shuffled part of the
array is never altered betweens iterations, while in the current
implementation the "not-yet" shuffled part of the array is
conserved between iterations.

R=golang-dev
CC=golang-dev
https://golang.org/cl/6845121

»»»

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6905049
2012-12-07 11:58:44 -05:00
Robert Griesemer
9088d17afb fix build: remove a flaky test for now
R=rsc
CC=golang-dev
https://golang.org/cl/6889052
2012-12-06 09:47:12 -08:00
Robert Griesemer
e93bdd998c exp/gotype: added many more tests
gotype can now handle much of the standard library.

- marked packages which have type checker issues
- this CL depends on CL 6846131

R=rsc
CC=golang-dev
https://golang.org/cl/6850130
2012-12-06 09:23:13 -08:00
Robert Griesemer
69d0f0cc47 exp/types: checking of type switches and range clauses
Also:
- better handling of type assertions
- implemented built-in error type
- first cut at handling variadic function signatures
- several bug fixes

R=rsc, rogpeppe
CC=golang-dev
https://golang.org/cl/6846131
2012-12-06 09:21:30 -08:00
Robert Griesemer
42a854b746 gofmt: test rewrite of (x.(type)) -> x.(type)
R=rsc
CC=golang-dev
https://golang.org/cl/6867062
2012-12-06 09:20:03 -08:00
Rémy Oudompheng
9146ac14ee cmd/gc: do not overflow parser stack on a long chain of else if.
Fixes #2615.

R=dave, minux.ma, iant, daniel.morsing, rsc
CC=golang-dev
https://golang.org/cl/6847078
2012-12-06 08:09:17 +01:00
Brad Fitzpatrick
53d091c5ff net/http: populate ContentLength in HEAD responses
Also fixes a necessary TODO in the process.

Fixes #4126

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6869053
2012-12-05 22:36:23 -08:00
Rémy Oudompheng
755e13877f cmd/8a: support XMM registers.
R=rsc, golang-dev
CC=golang-dev
https://golang.org/cl/6884046
2012-12-06 07:27:38 +01:00
Rémy Oudompheng
5cb1ed2189 cmd/6c, cmd/8c: add fixjmp step to regopt.
The fixjmp step eliminates redundant chains of JMP
instructions that are produced by the compiler during
code generation.

It is already implemented in gc, and can be adapted to 6c/8c with
the exception that JMPs refer to destination by pc instead of by
pointer. The algorithm is modified to operate on Regs instead of Progs
for this reason. The pcs are already restored later by regopt.

R=goalng-dev, rsc
CC=golang-dev
https://golang.org/cl/6865046
2012-12-06 07:20:03 +01:00
Dave Cheney
e4d2cd9d0a cmd/5g: fix fixedtests/issue4396b.go test failure on arm5
Add missing file that should have been included in CL 6854063 / 5eac1a2d6fc3

R=remyoudompheng, minux.ma, rsc
CC=golang-dev
https://golang.org/cl/6891049
2012-12-06 16:52:16 +11:00
Russ Cox
9d2b0e86c8 cmd/ld: skip 0-length write in cwrite
The 0-length part is fine, but some callers that write 0 bytes
also pass nil as the data pointer, and the Plan 9 kernel kills the
process with 'invalid address in sys call' in that case.

R=ken2
CC=golang-dev
https://golang.org/cl/6862051
2012-12-06 00:00:20 -05:00