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3002 Commits

Author SHA1 Message Date
Adrian O'Grady
6ebfd1eff2 Added XTEA block cipher package to src/pkg/crypto 
This is an adaption of the code from http://en.wikipedia.org/wiki/XTEA. The package also implements the block.Cipher
interface so that it can be used with the various block modes.

R=rsc
https://golang.org/cl/157152
 2009-12-09 00:06:20 -08:00
Russ Cox
0400a7f8b1 runtime: start new darwin/amd64 threads on correct stack, 
then enable stack check.

R=r
https://golang.org/cl/165100
 2009-12-08 23:34:45 -08:00
Russ Cox
132c42ff73 bufio: use copy - significant speedup for writers 
R=r
https://golang.org/cl/167047
 2009-12-08 18:19:48 -08:00
Devon H. O'Dell
5a4a08fab8 Fix stack on FreeBSD / add stack check across the board 
FreeBSD was passing stk as the new thread's stack base, while
stk is the top of the stack in go. The added check should cause
a trap if this ever comes up in any new ports, or regresses
in current ones.

R=rsc
CC=golang-dev
https://golang.org/cl/167055
 2009-12-08 18:19:30 -08:00
Devon H. O'Dell
cdce7325c8 When SA_SIGINFO is set, we should use __sa_sigaction on FreeBSD 
R=rsc
CC=golang-dev
https://golang.org/cl/165097
 2009-12-08 18:18:04 -08:00
Russ Cox
b73b43ea31 6l, 8l: make string buffer big enough for 8 chars (and then some) 
Fixes #221.

R=ken2
https://golang.org/cl/165086
 2009-12-07 22:01:59 -08:00
Russ Cox
0d3301a557 runtime: don't touch pages of memory unnecessarily. 
cuts working size for hello world from 6 MB to 1.2 MB.
still some work to be done, but diminishing returns.

R=r
https://golang.org/cl/165080
 2009-12-07 15:52:14 -08:00
Russ Cox
33649bd278 runtime: introduce unsafe.New and unsafe.NewArray 
to provide functionality previously hacked in to
    reflect and gob.

R=r
https://golang.org/cl/165076
 2009-12-07 15:51:58 -08:00
Robert Griesemer
a4a8224152 use a bootstrap array to avoid allocation for short vectors 
R=r
https://golang.org/cl/165078
 2009-12-07 12:46:20 -08:00
Christopher Wedgwood
8c22dd24e0 Remove copyBytes completely in favor of copy. 
R=r, rsc
https://golang.org/cl/165068
 2009-12-07 11:31:56 -08:00
Rob Pike
20c1ec263a pick off special one-byte case in copy. worth 2x in benchmarks (38ns->16ns). 
the one-item case could be generalized easily with no cost. worth considering.

R=rsc
CC=golang-dev, cw
https://golang.org/cl/167044
 2009-12-07 11:28:02 -08:00
Roger Peppe
80e17d6797 the AST walker currently provides no way to find out how the 
nodes in the tree are nested with respect to one another.
a simple change to the Visitor interface makes it possible
to do this (for example to maintain a current node-depth, or a
knowledge of the name of the current function).

Visit(nil) is called at the end of a node's children;
this make possible the channel-based interface below,
amongst other possibilities.

It is still just as simple to get the original behaviour - just
return the same Visitor from Visit.

Here are a couple of possible Visitor types.

// closure-based
type FVisitor func(n interface{}) FVisitor
func (f FVisitor) Visit(n interface{}) Visitor {
	return f(n);
}

// channel-based
type CVisitor chan Visit;
type Visit struct {
	node interface{};
	reply chan CVisitor;
};
func (v CVisitor) Visit(n interface{}) Visitor
{
	if n == nil {
		close(v);
	} else {
		reply := make(chan CVisitor);
		v <- Visit{n, reply};
		r := <-reply;
		if r == nil {
			return nil;
		}
		return r;
	}
	return nil;
}

R=gri
CC=rsc
https://golang.org/cl/166047
 2009-12-07 10:33:45 -08:00
Rob Pike
f91cd44736 save a few ns by inlining (which mostly simplifies things anyway). 
a couple of cleanups.
don't keep big buffers in the free list.

R=rsc
CC=golang-dev
https://golang.org/cl/166078
 2009-12-06 15:01:07 -08:00
Rob Pike
353ef80f65 unexport Fmt. it's not needed outside this package any more 
cleans up godoc's output for package fmt substantially.

R=rsc
CC=golang-dev
https://golang.org/cl/165070
 2009-12-06 12:58:16 -08:00
Rob Pike
4c0e51cd43 Make printing faster by avoiding mallocs and some other advances. 
Roughly 33% faster for simple cases, probably more for complex ones.

Before:

mallocs per Sprintf(""): 4
mallocs per Sprintf("xxx"): 6
mallocs per Sprintf("%x"): 10
mallocs per Sprintf("%x %x"): 12

Now:

mallocs per Sprintf(""): 2
mallocs per Sprintf("xxx"): 3
mallocs per Sprintf("%x"): 5
mallocs per Sprintf("%x %x"): 7

Speed improves because of avoiding mallocs and also by sharing a bytes.Buffer
between print.go and format.go rather than copying the data back after each
printed item.

Before:

fmt_test.BenchmarkSprintfEmpty	1000000	      1346 ns/op
fmt_test.BenchmarkSprintfString	500000	      3461 ns/op
fmt_test.BenchmarkSprintfInt	500000	      3671 ns/op

Now:

fmt_test.BenchmarkSprintfEmpty	 2000000	       995 ns/op
fmt_test.BenchmarkSprintfString	 1000000	      2745 ns/op
fmt_test.BenchmarkSprintfInt	 1000000	      2391 ns/op
fmt_test.BenchmarkSprintfIntInt	  500000	      3751 ns/op

I believe there is more to get but this is a good milestone.

R=rsc
CC=golang-dev, hong
https://golang.org/cl/166076
 2009-12-06 12:03:52 -08:00
Russ Cox
ed6fd1bcbe runtime: disable pointer scan optimization 
* broken by reflect, gob

TBR=r
https://golang.org/cl/166077
 2009-12-06 08:18:58 -08:00
Ian Lance Taylor
44c1eb6bed Fix syscall.Statfs and syscall.Fstatfs for 386 GNU/Linux. 
For 386 we use the [f]statfs64 system call, which takes three
parameters: the filename, the size of the statfs64 structure,
and a pointer to the structure itself.

R=rsc
https://golang.org/cl/166073
 2009-12-04 21:58:32 -08:00
Russ Cox
864c757a1c gc/runtime: pass type structure to makeslice. 
* inform garbage collector about memory with no pointers in it

1.9s	gcc reverse-complement.c

reverse-complement.go
4.5s / 3.5s	original, with/without bounds checks
3.5s / 3.3s	bounds check reduction
3.3s / 2.8s	smarter garbage collector
2.6s / 2.3s		assembler bytes.IndexByte
2.5s / 2.1s	even smarter garbage collector (this CL)

R=r
https://golang.org/cl/165064
 2009-12-04 21:44:05 -08:00
Russ Cox
6f14cada11 gc: walk pointer in range on slice/array 
R=ken2
https://golang.org/cl/166071
 2009-12-04 20:40:21 -08:00
Russ Cox
7c4aeec868 6g/8g optimizer fix: throw functions now in runtime 
R=ken2
https://golang.org/cl/166070
 2009-12-04 20:37:32 -08:00
Russ Cox
d7402cea8c gotest: stop if the // gotest commands fail 
R=r
https://golang.org/cl/166067
 2009-12-04 18:34:59 -08:00
Russ Cox
2807621d01 net: more fiddling with the udp test. 
i don't know why the timeout needs
  to be so big.

R=r
https://golang.org/cl/165063
 2009-12-04 18:34:45 -08:00
Russ Cox
d539d079ad libmach: fix disassembly of MOVLQSX 
R=r
https://golang.org/cl/166068
 2009-12-04 18:34:35 -08:00
Russ Cox
01f0f16ebc gotest: ignore *_test.pb.go 
R=r
https://golang.org/cl/166064
 2009-12-04 17:08:54 -08:00
Ian Lance Taylor
9e0b68d1ee Add syscall.Rename for NaCl. Fixes NaCl build. 
R=rsc
https://golang.org/cl/165062
 2009-12-04 13:49:58 -08:00
Adam Langley
e79bcf8bfd runtime: shift the index for the sort by one. 
Makes the code look cleaner, even if it's a little harder to figure
out from the sort invariants.

R=rsc
CC=golang-dev
https://golang.org/cl/165061
 2009-12-04 13:31:18 -08:00
Ian Lance Taylor
0b5cc31693 Add os.Rename. 
R=rsc
https://golang.org/cl/166058
 2009-12-04 11:46:56 -08:00
Adam Langley
d1740bb3a6 Remove global chanlock. 
On a microbenchmark that ping-pongs on lots of channels, this makes
the multithreaded case about 20% faster and the uniprocessor case
about 1% slower. (Due to cache effects, I expect.)

R=rsc, agl
CC=golang-dev
https://golang.org/cl/166043
 2009-12-04 10:57:01 -08:00
Russ Cox
d6b3f37e1e bytes: asm for bytes.IndexByte 
PERFORMANCE DIFFERENCE

SUMMARY

                                                   amd64           386
2.2 GHz AMD Opteron 8214 HE (Linux)             3.0x faster    8.2x faster
3.60 GHz Intel Xeon (Linux)                     2.2x faster    6.2x faster
2.53 GHz Intel Core2 Duo E7200 (Linux)          1.5x faster    4.4x faster
2.66 Ghz Intel Xeon 5150 (Mac Pro, OS X)        1.5x SLOWER    3.0x faster
2.33 GHz Intel Xeon E5435 (Linux)               1.5x SLOWER    3.0x faster
2.33 GHz Intel Core2 T7600 (MacBook Pro, OS X)  1.4x SLOWER    3.0x faster
1.83 GHz Intel Core2 T5600 (Mac Mini, OS X)        none*       3.0x faster

* but yesterday I consistently saw 1.4x SLOWER.

DETAILS

2.2 GHz AMD Opteron 8214 HE (Linux)

amd64 (3x faster)

IndexByte4K            500000           3733 ns/op     1097.24 MB/s
IndexByte4M               500        4328042 ns/op      969.10 MB/s
IndexByte64M               50       67866160 ns/op      988.84 MB/s

IndexBytePortable4K    200000          11161 ns/op      366.99 MB/s
IndexBytePortable4M       100       11795880 ns/op      355.57 MB/s
IndexBytePortable64M       10      188675000 ns/op      355.68 MB/s

386 (8.2x faster)

IndexByte4K            500000           3734 ns/op     1096.95 MB/s
IndexByte4M               500        4209954 ns/op      996.28 MB/s
IndexByte64M               50       68031980 ns/op      986.43 MB/s

IndexBytePortable4K     50000          30670 ns/op      133.55 MB/s
IndexBytePortable4M        50       31868220 ns/op      131.61 MB/s
IndexBytePortable64M        2      508851500 ns/op      131.88 MB/s

3.60 GHz Intel Xeon (Linux)

amd64 (2.2x faster)

IndexByte4K            500000           4612 ns/op      888.12 MB/s
IndexByte4M               500        4835250 ns/op      867.44 MB/s
IndexByte64M               20       77388450 ns/op      867.17 MB/s

IndexBytePortable4K    200000          10306 ns/op      397.44 MB/s
IndexBytePortable4M       100       11201460 ns/op      374.44 MB/s
IndexBytePortable64M       10      179456800 ns/op      373.96 MB/s

386 (6.3x faster)

IndexByte4K            500000           4631 ns/op      884.47 MB/s
IndexByte4M               500        4846388 ns/op      865.45 MB/s
IndexByte64M               20       78691200 ns/op      852.81 MB/s

IndexBytePortable4K    100000          28989 ns/op      141.29 MB/s
IndexBytePortable4M        50       31183180 ns/op      134.51 MB/s
IndexBytePortable64M        5      498347200 ns/op      134.66 MB/s

2.53 GHz Intel Core2 Duo E7200  (Linux)

amd64 (1.5x faster)

IndexByte4K            500000           6502 ns/op      629.96 MB/s
IndexByte4M               500        6692208 ns/op      626.74 MB/s
IndexByte64M               10      107410400 ns/op      624.79 MB/s

IndexBytePortable4K    200000           9721 ns/op      421.36 MB/s
IndexBytePortable4M       100       10013680 ns/op      418.86 MB/s
IndexBytePortable64M       10      160460800 ns/op      418.23 MB/s

386 (4.4x faster)

IndexByte4K            500000           6505 ns/op      629.67 MB/s
IndexByte4M               500        6694078 ns/op      626.57 MB/s
IndexByte64M               10      107397600 ns/op      624.86 MB/s

IndexBytePortable4K    100000          28835 ns/op      142.05 MB/s
IndexBytePortable4M        50       29562680 ns/op      141.88 MB/s
IndexBytePortable64M        5      473221400 ns/op      141.81 MB/s

2.66 Ghz Intel Xeon 5150  (Mac Pro, OS X)

amd64 (1.5x SLOWER)

IndexByte4K            200000           9290 ns/op      440.90 MB/s
IndexByte4M               200        9568925 ns/op      438.33 MB/s
IndexByte64M               10      154473600 ns/op      434.44 MB/s

IndexBytePortable4K    500000           6202 ns/op      660.43 MB/s
IndexBytePortable4M       500        6583614 ns/op      637.08 MB/s
IndexBytePortable64M       20      107166250 ns/op      626.21 MB/s

386 (3x faster)

IndexByte4K            200000           9301 ns/op      440.38 MB/s
IndexByte4M               200        9568025 ns/op      438.37 MB/s
IndexByte64M               10      154391000 ns/op      434.67 MB/s

IndexBytePortable4K    100000          27526 ns/op      148.80 MB/s
IndexBytePortable4M       100       28302490 ns/op      148.20 MB/s
IndexBytePortable64M        5      454170200 ns/op      147.76 MB/s

2.33 GHz Intel Xeon E5435  (Linux)

amd64 (1.5x SLOWER)

IndexByte4K            200000          10601 ns/op      386.38 MB/s
IndexByte4M               100       10827240 ns/op      387.38 MB/s
IndexByte64M               10      173175500 ns/op      387.52 MB/s

IndexBytePortable4K    500000           7082 ns/op      578.37 MB/s
IndexBytePortable4M       500        7391792 ns/op      567.43 MB/s
IndexBytePortable64M       20      122618550 ns/op      547.30 MB/s

386 (3x faster)

IndexByte4K            200000          11074 ns/op      369.88 MB/s
IndexByte4M               100       10902620 ns/op      384.71 MB/s
IndexByte64M               10      181292800 ns/op      370.17 MB/s

IndexBytePortable4K     50000          31725 ns/op      129.11 MB/s
IndexBytePortable4M        50       32564880 ns/op      128.80 MB/s
IndexBytePortable64M        2      545926000 ns/op      122.93 MB/s

2.33 GHz Intel Core2 T7600 (MacBook Pro, OS X)

amd64 (1.4x SLOWER)

IndexByte4K            200000          11120 ns/op      368.35 MB/s
IndexByte4M               100       11531950 ns/op      363.71 MB/s
IndexByte64M               10      184819000 ns/op      363.11 MB/s

IndexBytePortable4K    500000           7419 ns/op      552.10 MB/s
IndexBytePortable4M       200        8018710 ns/op      523.06 MB/s
IndexBytePortable64M       10      127614900 ns/op      525.87 MB/s

386 (3x faster)

IndexByte4K            200000          11114 ns/op      368.54 MB/s
IndexByte4M               100       11443530 ns/op      366.52 MB/s
IndexByte64M               10      185212000 ns/op      362.34 MB/s

IndexBytePortable4K     50000          32891 ns/op      124.53 MB/s
IndexBytePortable4M        50       33930580 ns/op      123.61 MB/s
IndexBytePortable64M        2      545400500 ns/op      123.05 MB/s

1.83 GHz Intel Core2 T5600  (Mac Mini, OS X)

amd64 (no difference)

IndexByte4K            200000          13497 ns/op      303.47 MB/s
IndexByte4M               100       13890650 ns/op      301.95 MB/s
IndexByte64M                5      222358000 ns/op      301.81 MB/s

IndexBytePortable4K    200000          13584 ns/op      301.53 MB/s
IndexBytePortable4M       100       13913280 ns/op      301.46 MB/s
IndexBytePortable64M       10      222572600 ns/op      301.51 MB/s

386 (3x faster)

IndexByte4K            200000          13565 ns/op      301.95 MB/s
IndexByte4M               100       13882640 ns/op      302.13 MB/s
IndexByte64M                5      221411600 ns/op      303.10 MB/s

IndexBytePortable4K     50000          39978 ns/op      102.46 MB/s
IndexBytePortable4M        50       41038160 ns/op      102.20 MB/s
IndexBytePortable64M        2      656362500 ns/op      102.24 MB/s

R=r
CC=golang-dev
https://golang.org/cl/166055
 2009-12-04 10:23:43 -08:00
Russ Cox
609eeee817 make Native Client support build again, 
add README explaining how to try the
web demos.

Fixes #339.

R=r
CC=barry.d.silverman, bss, vadim
https://golang.org/cl/165057
 2009-12-04 10:11:32 -08:00
Russ Cox
11384eecf8 testing: compute MB/s in benchmarks 
R=r
https://golang.org/cl/166060
 2009-12-04 09:56:31 -08:00
Rob Pike
4ed57173b4 avoid an allocation inside bytes.Buffer by providing a static array. 
R=rsc
https://golang.org/cl/165058
 2009-12-04 00:26:08 -08:00
Russ Cox
f2c7a20142 8l: fix print line number format, buffer overflow 
R=ken2
https://golang.org/cl/165059
 2009-12-03 23:29:48 -08:00
Russ Cox
3b858fb808 net: turn off empty packet test by default 
Fixes #374.

R=r
https://golang.org/cl/166053
 2009-12-03 22:19:55 -08:00
Russ Cox
9da6666a8a gc: check for assignment to private fields during initialization 
R=ken2
https://golang.org/cl/165055
 2009-12-03 22:09:58 -08:00
Ken Thompson
62be24d949 6g code gen bug 
R=rsc
https://golang.org/cl/166052
 2009-12-03 20:28:24 -08:00
Michael Elkins
f3d63bea42 Add Count, Cycle, ZipWith, GroupBy, Repeat, RepeatTimes, Unique to exp/iterable. 
Modify iterFunc to take chan<- instead of just chan.

R=rsc, dsymonds1
CC=golang-dev, r
https://golang.org/cl/160064
 2009-12-03 20:03:07 -08:00
Adam Langley
e93132c982 crypto/rsa: fix shadowing error. 
Fixes bug 375.

R=rsc
https://golang.org/cl/165045
 2009-12-03 19:33:23 -08:00
Russ Cox
cf37254b1c runtime: fix Caller crash on 386. 
Fixes #176.

R=r
https://golang.org/cl/166044
 2009-12-03 17:24:14 -08:00
Russ Cox
aaa2374b74 Make.conf: fix if $HOME has spaces 
R=r
https://golang.org/cl/164086
 2009-12-03 17:22:43 -08:00
Russ Cox
7e5055ceea runtime: malloc fixes 
* throw away dead code
  * add mlookup counter
  * add malloc counter
  * set up for blocks with no pointers

Fixes #367.

R=r
https://golang.org/cl/165050
 2009-12-03 17:22:23 -08:00
Rob Pike
10a349a7c1 The String() method requires global state that makes it not work outside of this package, 
so make it a local method (_String()).

R=rsc
CC=golang-dev
https://golang.org/cl/165049
 2009-12-03 17:14:32 -08:00
Rob Pike
fcc4dd6d64 error propagation in gob/encoder. 
R=rsc
CC=golang-dev
https://golang.org/cl/165048
 2009-12-03 17:12:57 -08:00
Rob Pike
bc3e34759c Add ReadFrom and WriteTo methods to bytes.Buffer, to enable i/o without buffer allocation. 
Use them in Copy and Copyn.
Speed up ReadFile by using ReadFrom and avoiding Copy altogether (a minor win).

R=rsc, gri
CC=golang-dev
https://golang.org/cl/166041
 2009-12-03 12:56:16 -08:00
Christopher Wedgwood
7e7008fa5e gc: Allow allow data types up to 1GB 
R=rsc
https://golang.org/cl/164095
 2009-12-03 12:46:34 -08:00
Robert Griesemer
6db683fe4d - include type-associated consts and vars when filtering a PackageDoc 
- fixes a godoc issue (for instance, "godoc os EOF" now shows an entry)

R=r
CC=rsc
https://golang.org/cl/165042
 2009-12-03 11:25:20 -08:00
Russ Cox
c6e316a4b9 gc: handle _ = <-c in select. 
Fixes #238.

R=ken2
https://golang.org/cl/163098
 2009-12-03 01:30:19 -08:00
Russ Cox
05a1eb1ab0 gc: recursive type error 
Fixes #245.

R=ken2
https://golang.org/cl/164094
 2009-12-03 01:12:02 -08:00
Russ Cox
41861a8812 gc: better diagnosis of initialization loops 
Fixes bug 292.

R=ken2
https://golang.org/cl/164093
 2009-12-03 00:51:03 -08:00
Russ Cox
e733766dda gc: minor import grammar bug fixes 
Fixes #364.

R=ken2
https://golang.org/cl/164092
 2009-12-03 00:10:32 -08:00
Rob Pike
d984f98996 minor improvement to formatting: don't allocate padding strings every time. 
R=rsc
https://golang.org/cl/164090
 2009-12-03 00:04:40 -08:00
Russ Cox
272d156357 gc: function argument ordering bug 
Fixes #370.

R=ken2
https://golang.org/cl/163097
 2009-12-02 23:54:51 -08:00
Russ Cox
8777759f59 gc: make 'invalid rune in string' a little less cryptic 
Fixes #371.

R=ken2
https://golang.org/cl/164091
 2009-12-02 23:23:11 -08:00
Rob Pike
b0683bd77a move ReadFile, WriteFile, and ReadDir into a separate io/ioutil package. 
this breaks the dependency of package io on package bytes.

R=rsc
CC=golang-dev
https://golang.org/cl/163085
 2009-12-02 22:02:14 -08:00
Peter Froehlich
1eba218e44 Runes: turn string into []int 
Split: fixed typo in documentation

R=rsc, r, r1
https://golang.org/cl/157170
 2009-12-02 20:47:38 -08:00
Robert Griesemer
c0efa07c65 updated documentation for gofmt 
R=rsc
https://golang.org/cl/164085
 2009-12-02 19:32:15 -08:00
Russ Cox
69c0edd59b 8g: discard tempalloc/tempfree experiment 
in favor of tempname.
allows optimizer to do more.
unfortunately, optimizer seems to be broken; disable it.

R=ken2
https://golang.org/cl/163091
 2009-12-02 18:31:29 -08:00
Russ Cox
fdb030d86f 6g etc: groundwork for eliminating redundant bounds checks. 
drop check in range over array.
	drop check in [256]array indexed by byte.

R=ken2
https://golang.org/cl/163088
 2009-12-02 17:30:07 -08:00
Robert Griesemer
dc7355a974 Add flag -tabindent to gofmt: forces use of 
tabs for indentation even if -spaces is set.

Changes to gofmt:
- added -tabindent flag
- don't recompute parser and printer mode repeatedly

Changes to go/printer:
- provide new printing mode TabIndent

Changes to tabwriter:
- implement new mode TabIndent to use tabs independent
  of the actual padding character for leading empty columns
- distinguish between minimal cell width and tab width
  (tabwidth is only used if the output contains tabs,
  minwidth and padding are always considered)
- fixed and added more comments
- some additional factoring

By default, -tabindent is disabled and the default gofmt
behavior is unchanged. By setting -spaces and -tabindent,
gofmt will use tabs for indentation but do any other
alignment with spaces. This permits a user to change the
visible indentation by simply changing the editor's tab
width and the code will remain properly aligned without
the need to rerun gofmt.

R=rsc
https://golang.org/cl/163068
 2009-12-02 16:57:15 -08:00
Russ Cox
e89441ba8f net: test and fix support for 0-length datagram packets. 
Fixes #274.

R=r
CC=jonathan.r.hudson
https://golang.org/cl/163072
 2009-12-02 15:17:49 -08:00
Fazlul Shahriar
0aa13c999b gofmt: race condition in error reporting and setting exit code 
How to reproduce:

	$ mkdir /tmp/foo
	$ cp /dev/null /tmp/foo/bar.go
	$ chmod -r /tmp/foo/bar.go
	$ gofmt /tmp/foo
	open /tmp/foo/bar.go: permission denied
	$ echo $?		# should echo 2
	0
	$

Maybe you need to put a call to time.Sleep at the beginning of report().

R=gri
CC=golang-dev
https://golang.org/cl/164073
 2009-12-02 13:02:42 -08:00
Robert Griesemer
d8bc797ed5 apply gofmt to json files 
R=rsc
https://golang.org/cl/164071
 2009-12-02 11:40:54 -08:00
Rob Pike
114f73f822 fix segfault printing errors. add test case and improve messages. 
Fixes #338.

R=rsc
CC=golang-dev
https://golang.org/cl/163083
 2009-12-02 10:41:28 -08:00
Rob Pike
f6c0eba741 test that arrays work properly. 
can't mix slices and arrays now; perhaps that should be a TODO

R=rsc
https://golang.org/cl/164079
 2009-12-02 10:25:14 -08:00
Russ Cox
9e55d0d018 time: another bug in SecondsToUTC. 
added random test to look for more.

Fixes #363.

R=r, cw
https://golang.org/cl/163071
 2009-12-02 08:27:57 -08:00
Ian Lance Taylor
952b91e4ad Add Shutdown to 32-bit GNU/Linux build. 
Submitting as a TBR to fix the build.

R=dho, rsc
https://golang.org/cl/164078
 2009-12-02 08:24:14 -08:00
Russ Cox
8d652ee8ce time: fix handling of Jan 1 1601, 1201, 801, ... 
R=r
CC=hurtonm
https://golang.org/cl/164074
 2009-12-01 23:38:06 -08:00
Devon H. O'Dell
eb16346dac net: fix netFD.Close races 
Fixes #271.
Fixes #321.

R=rsc, agl, cw
CC=golang-dev
https://golang.org/cl/163052
 2009-12-01 23:28:57 -08:00
Rob Pike
ff3ea68e52 explicitly catch attempt to decode into a value - must be a pointer to see the result. 
R=rsc
https://golang.org/cl/163070
 2009-12-01 21:47:00 -08:00
Rob Pike
f9810f1b12 make io.ReadFile use Stat.Size as a hint for preallocation 
R=rsc
CC=golang-dev
https://golang.org/cl/163069
 2009-12-01 21:44:24 -08:00
Devon H. O'Dell
49ebcfbb83 Add syscall.Shutdown to FreeBSD i386/amd64 
Necessary for 163052

R=rsc
CC=golang-dev
https://golang.org/cl/164068
 2009-12-01 21:43:39 -08:00
Evan Shaw
1664e81585 8g: Match sgen definition to declaration 
R=rsc
CC=golang-dev
https://golang.org/cl/164069
 2009-12-01 21:42:35 -08:00
Devon H. O'Dell
fd7e1a2d87 FreeBSD needs #!/usr/bin/env bash (fixes broken build on FreeBSD) 
R=gri
https://golang.org/cl/163067
 2009-12-01 19:30:17 -08:00
Russ Cox
0b126c1be4 syscall: add Shutdown on OS X, add more constants in mkerror.sh 
R=dho
CC=golang-dev
https://golang.org/cl/163061
 2009-12-01 16:53:43 -08:00
Rob Pike
ceb1fe2863 update package unicode to Unicode 5.2 
R=rsc
CC=golang-dev
https://golang.org/cl/163062
 2009-12-01 16:22:21 -08:00
Russ Cox
2a54997baa gob: fix build 
TBR=r
https://golang.org/cl/163064
 2009-12-01 16:18:27 -08:00
Christopher Wedgwood
4f6dbc6901 Explicitly return values where it's shadowing the parameter. 
Bad returns noticed by "Devon H. O'Dell" <devon.odell@gmail.com>.

Resolves Issue 360.

R=rsc, dho, agl, agl1
CC=ukai
https://golang.org/cl/163055
 2009-12-01 15:54:49 -08:00
Charles L. Dorian
e1c347ca59 8g: fix 386 floating point stack bug 
Also fixes issue 310 comment 5 error.
Fixes #310.

R=rsc
https://golang.org/cl/163042
 2009-12-01 15:53:50 -08:00
Rob Pike
a0f742d343 more gob bugs 
1) need to send slice and array types (was only sending element types)
2) compatibleType needs to use decoder's type map

R=rsc
CC=golang-dev
https://golang.org/cl/164062
 2009-12-01 15:31:28 -08:00
Robert Griesemer
749da968e4 make test.sh work again 
R=rsc
https://golang.org/cl/164059
 2009-12-01 13:08:36 -08:00
Rob Pike
67dc2ae3a6 a couple of usage fixups in prof 
R=rsc
https://golang.org/cl/161050
 2009-12-01 11:35:34 -08:00
Fazlul Shahriar
db18ce2f53 gofmt: use os.Stdin instead of opening /dev/stdin 
Opening /dev/stdin can sometimes fail. For example, in the acme editor,
executing "Edit ,|gofmt" fails with:

	open /dev/stdin: no such device or address

Executing "Edit ,|ls -l /dev/stdin /proc/self/fd/0" gives:

	lrwxrwxrwx 1 root root  15 2009-09-07 02:17 /dev/stdin -> /proc/self/fd/0
	lrwx------ 1 fhs  users 64 2009-11-26 22:05 /proc/self/fd/0 -> socket:[5528230]

(This is my first change, and I've signed the individual contributor license agreement.)

R=rsc, gri
CC=golang-dev
https://golang.org/cl/162041
 2009-12-01 09:32:22 -08:00
Robert Griesemer
9e450880e9 some godoc cleanup: 
- simplified dealing with parse errors: no need to intersperse them in the source
- improve visibility of highlighted identifiers by showing them in bold

R=rsc
https://golang.org/cl/163051
 2009-12-01 09:15:05 -08:00
Tor Andersson
598f3e284e A first stab at porting the XCB X11 protocol bindings to go. 
The python script needs a checkout of xcb/proto to generate
an xproto.go file, which together with xgb.go provide functions
to access all of the core X11 protocol requests. I have included the
generated file.

Extensions and authentication methods are not implemented.

R=r, rsc, nigeltao_golang
https://golang.org/cl/162053
 2009-11-30 14:25:50 -08:00
Sergey 'SnakE' Gromov
9d50b468a1 json: Decode into native Go data structures 
This patch adds an ability to convert JSON-encoded data into
a hierarchy of Go's native data types.

R=rsc
CC=golang-dev
https://golang.org/cl/161060
 2009-11-30 13:55:09 -08:00
Robert Griesemer
c1767dbdda Typo in comment. 
Fixes #358.

R=rsc
CC=r
https://golang.org/cl/164043
 2009-11-30 12:50:02 -08:00
Péter Szabó
12206f64dd sync.RWMutex: rewritten to add support for concurrent readers. 
Also made sync.xadd public to help testing sync.RWMutex.

Also added unit tests for sync.RWMutex.

R=rsc
https://golang.org/cl/162044
 2009-11-30 12:10:56 -08:00
Jonathan Wills
229807c8c3 Added a method on UDPConn so they can actually send broadcast packets. 
R=rsc
https://golang.org/cl/162046
 2009-11-30 12:03:55 -08:00
Christopher Wedgwood
a85c258e67 a[b:len(a)] -> a[b:] 
R=r, rsc
CC=agl1
https://golang.org/cl/161070
 2009-11-30 12:03:43 -08:00
Andrew Skiba
68d3b6e51a Handle \r as a whitespace when parsing JSON string. 
Fixes #272.

R=rsc
https://golang.org/cl/161061
 2009-11-30 12:03:26 -08:00
Christopher Wedgwood
c78710f53e Add trivial whitespace to CorruptInputError strings. 
R=r, rsc
https://golang.org/cl/161058
 2009-11-30 12:03:10 -08:00
Christopher Wedgwood
f0c9719540 Minimise bitrot: bytes.Copy -> copy 
(compile tested only)

R=r, rsc
https://golang.org/cl/161069
 2009-11-30 11:57:21 -08:00
Hector Chu
cd9d72ba9e Ports of lib9, libbio and libmach to Windows. 
R=rsc
https://golang.org/cl/157159
 2009-11-30 11:53:11 -08:00
Russ Cox
ed62d27a52 template: two bug fixes / nits 
* diagnose template not created with New
    (current code just crashes)
  * write []byte uninterpreted
    (current code writes fmt format: "[65 65 65 65]")

R=r
CC=golang-dev
https://golang.org/cl/161075
 2009-11-30 10:29:14 -08:00
Russ Cox
be98bc488e websocket: avoid $GOROOT in case it has spaces 
Fixes #115.

R=r, ukai, sergio
https://golang.org/cl/162057
 2009-11-29 20:30:02 -08:00
Sergio Luis O. B. Correia
46892656c7 crypto/md4, exp/draw/x11: fix makefile to build when GOROOT has whitespaces 
this is the exact same thing issue #115 is about. fix makefiles to use relative
path to work in the case we have whitespaces as part of GOROOT.

R=rsc
https://golang.org/cl/162055
 2009-11-29 18:14:49 -08:00
Eden Li
354b100567 cgo: use C type void for opaque types if dwarf.Common().Type returns nothing 
Ideally, the C name would come from the typedef or pointer that
references the Size<0 type, but we can't easily generate this without
performing a look-ahead to see if any referencing type will become opaque.

Fixes #334.
Fixes #281.

R=rsc
https://golang.org/cl/161056
 2009-11-29 18:14:39 -08:00
Fumitoshi Ukai
f9f0184e13 Add WebSocket server framework hooked into http. 
R=r, rsc
https://golang.org/cl/156071
 2009-11-29 14:22:44 -08:00
Robert Griesemer
f3e0f214f8 Correct expression level for argument lists. 
Fixes #352.

R=rsc
https://golang.org/cl/161073
 2009-11-29 14:11:52 -08:00
Rob Pike
b5358e0630 a few utf8 benchmarks. on my mac: 
utf8_test.BenchmarkRuneCountTenASCIIChars	20000000	       108 ns/op
utf8_test.BenchmarkRuneCountTenJapaneseChars	10000000	       199 ns/op
utf8_test.BenchmarkEncodeASCIIRune	500000000	         6 ns/op
utf8_test.BenchmarkEncodeJapaneseRune	100000000	        10 ns/op
utf8_test.BenchmarkDecodeASCIIRune	100000000	        13 ns/op
utf8_test.BenchmarkDecodeJapaneseRune	100000000	        21 ns/op

R=gri
CC=golang-dev
https://golang.org/cl/161049
 2009-11-25 13:30:30 -08:00