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webrick: prevent response splitting and header injection
Original patch by tenderlove (with minor style adjustments).
* lib/webrick/httpresponse.rb (send_header): call check_header
(check_header): raise on embedded CRLF in header value
* test/webrick/test_httpresponse.rb
(test_prevent_response_splitting_headers): new test
* (test_prevent_response_splitting_cookie_headers): ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@63022 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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webrick: use IO.copy_stream for multipart response
Use the new Proc response body feature to generate a multipart
range response dynamically. We use a flat array to minimize
object overhead as much as possible; as many ranges may fit
into an HTTP request header.
* lib/webrick/httpservlet/filehandler.rb (multipart_body): new method
(make_partial_content): use multipart_body
------------------------------------------------------------------------
r62960 | normal | 2018-03-28 17:06:23 +0900 (水, 28 3 2018) | 13 lines
webrick/httprequest: limit request headers size
We use the same 112 KB limit started (AFAIK) by Mongrel, Thin,
and Puma to prevent malicious users from using up all the memory
with a single request. This also limits the damage done by
excessive ranges in multipart Range: requests.
Due to the way we rely on IO#gets and the desire to keep
the code simple, the actual maximum header may be 4093 bytes
larger than 112 KB, but we're splitting hairs at that point.
* lib/webrick/httprequest.rb: define MAX_HEADER_LENGTH
(read_header): raise when headers exceed max length
------------------------------------------------------------------------
r62961 | normal | 2018-03-28 17:06:28 +0900 (水, 28 3 2018) | 9 lines
webrick/httpservlet/cgihandler: reduce memory use
WEBrick::HTTPRequest#body can be passed a block to process the
body in chunks. Use this feature to avoid building a giant
string in memory.
* lib/webrick/httpservlet/cgihandler.rb (do_GET):
avoid reading entire request body into memory
(do_POST is aliased to do_GET, so it handles bodies)
------------------------------------------------------------------------
r62962 | normal | 2018-03-28 17:06:34 +0900 (水, 28 3 2018) | 7 lines
webrick/httprequest: raise correct exception
"BadRequest" alone does not resolve correctly, it is in the
HTTPStatus namespace.
* lib/webrick/httprequest.rb (read_chunked): use correct exception
* test/webrick/test_httpserver.rb (test_eof_in_chunk): new test
------------------------------------------------------------------------
r62963 | normal | 2018-03-28 17:06:39 +0900 (水, 28 3 2018) | 9 lines
webrick/httprequest: use InputBufferSize for chunked requests
While WEBrick::HTTPRequest#body provides a Proc interface
for streaming large request bodies, clients must not force
the server to use an excessively large chunk size.
* lib/webrick/httprequest.rb (read_chunk_size): limit each
read and block.call to :InputBufferSize in config.
* test/webrick/test_httpserver.rb (test_big_chunks): new test
------------------------------------------------------------------------
r62964 | normal | 2018-03-28 17:06:44 +0900 (水, 28 3 2018) | 9 lines
webrick: add test for Digest auth-int
No changes to the actual code, this is a new test for
a feature for which no tests existed. I don't understand
the Digest authentication code well at all, but this is
necessary for the subsequent change.
* test/webrick/test_httpauth.rb (test_digest_auth_int): new test
(credentials_for_request): support bodies with POST
------------------------------------------------------------------------
r62965 | normal | 2018-03-28 17:06:49 +0900 (水, 28 3 2018) | 18 lines
webrick/httpauth/digestauth: stream req.body
WARNING! WARNING! WARNING! LIKELY BROKEN CHANGE
Pass a proc to WEBrick::HTTPRequest#body to avoid reading a
potentially large request body into memory during
authentication.
WARNING! this will break apps completely which want to do
something with the body besides calculating the MD5 digest
of it.
Also, keep in mind that probably nobody uses "auth-int".
Servers such as Apache, lighttpd, nginx don't seem to
support it; nor does curl when using POST/PUT bodies;
and we didn't have tests for it until now...
* lib/webrick/httpauth/digestauth.rb (_authenticate): stream req.body
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@63021 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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webrick: support Proc objects as body responses
* lib/webrick/httpresponse.rb (send_body): call send_body_proc
(send_body_proc): new method
(class ChunkedWrapper): new class
* test/webrick/test_httpresponse.rb (test_send_body_proc): new test
(test_send_body_proc_chunked): ditto
[Feature #855]
webrick: favor .write over << method
This will make the next change to use IO.copy_stream
easier-to-read. When we can drop Ruby 2.4 support in a few
years, this will allow us to use writev(2) with multiple
arguments for headers and chunked responses.
* lib/webrick/cgi.rb (write): new wrapper method
lib/webrick/httpresponse.rb: (send_header): use socket.write
(send_body_io): ditto
(send_body_string): ditto
(send_body_proc): ditto
(_write_data): ditto
(ChunkedWrapper#write): ditto
(_send_file): ditto
------------------------------------------------------------------------
r62954 | normal | 2018-03-28 17:05:52 +0900 (水, 28 3 2018) | 14 lines
webrick/httpresponse: IO.copy_stream for regular files
Remove the redundant _send_file method since its functionality
is unnecessary with IO.copy_stream. IO.copy_stream also allows
the use of sendfile under some OSes to speed up copies to
non-TLS sockets.
Testing with "curl >/dev/null" and "ruby -run -e httpd" to
read a 1G file over Linux loopback reveals a reduction from
around ~0.770 to ~0.490 seconds on the client side.
* lib/webrick/httpresponse.rb (send_body_io): use IO.copy_stream
(_send_file): remove
[Feature #14237]
------------------------------------------------------------------------
r62955 | normal | 2018-03-28 17:05:57 +0900 (水, 28 3 2018) | 10 lines
webrick: use IO.copy_stream for single range response
This is also compatible with range responses generated
by Rack::File (tested with rack 2.0.3).
* lib/webrick/httpresponse.rb (send_body_io): use Content-Range
* lib/webrick/httpservlet/filehandler.rb (make_partial_content):
use File object for the single range case
* test/webrick/test_filehandler.rb (get_res_body): use send_body
to test result
------------------------------------------------------------------------
r62956 | normal | 2018-03-28 17:06:02 +0900 (水, 28 3 2018) | 7 lines
test/webrick/test_filehandler.rb: stricter multipart range test
We need to ensure we generate compatibile output in
the face of future changes
* test/webrick/test_filehandler.rb (test_make_partial_content):
check response body
------------------------------------------------------------------------
r62957 | normal | 2018-03-28 17:06:08 +0900 (水, 28 3 2018) | 8 lines
webrick: quiet warning for multi-part ranges
Content-Length is ignored by WEBrick::HTTPResponse even if we
calculate it, so instead we chunk responses to HTTP/1.1 clients
and terminate HTTP/1.0 connections.
* lib/webrick/httpservlet/filehandler.rb (make_partial_content):
quiet warning
------------------------------------------------------------------------
r62958 | normal | 2018-03-28 17:06:13 +0900 (水, 28 3 2018) | 7 lines
webrick/httpresponse: make ChunkedWrapper copy_stream-compatible
The .write method needs to return the number of bytes written
to avoid confusing IO.copy_stream.
* lib/webrick/httpresponse.rb (ChunkedWrapper#write): return bytes written
(ChunkedWrapper#<<): return self
------------------------------------------------------------------------
r62959 | normal | 2018-03-28 17:06:18 +0900 (水, 28 3 2018) | 9 lines
webrick: use IO.copy_stream for multipart response
Use the new Proc response body feature to generate a multipart
range response dynamically. We use a flat array to minimize
object overhead as much as possible; as many ranges may fit
into an HTTP request header.
* lib/webrick/httpservlet/filehandler.rb (multipart_body): new method
(make_partial_content): use multipart_body
get rid of test error/failure on Windows introduced at r62955
* lib/webrick/httpresponse.rb (send_body_io): use seek if NotImplementedError
is raised in IO.copy_stream with offset.
* lib/webrick/httpservlet/filehandler.rb (multipart_body): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@63020 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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pack.c: fix underflow
* pack.c (pack_unpack_internal): get rid of underflow.
https://hackerone.com/reports/298246
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@63019 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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unixsocket.c: check NUL bytes
* ext/socket/unixsocket.c (rsock_init_unixsock): check NUL bytes.
https://hackerone.com/reports/302997
unixsocket.c: abstract namespace
* ext/socket/unixsocket.c (unixsock_path_value): fix r62991 for
Linux abstract namespace.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@63018 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Ignore file separator from tmpfile/tmpdir name.
From: SHIBATA Hiroshi <hsbt@ruby-lang.org>
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@63017 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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dir.c: check NUL bytes
* dir.c (GlobPathValue): should be used in rb_push_glob only.
other methods should use FilePathValue.
https://hackerone.com/reports/302338
* dir.c (rb_push_glob): expand GlobPathValue
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@63015 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Merge RubyGems 2.7.6 from upstream.
It fixed some security vulnerabilities.
http://blog.rubygems.org/2018/02/15/2.7.6-released.html
fix regexp literal warning.
* test/rubygems/test_gem_server.rb: eliminate duplicated character class warning.
[Bug #14481]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@62443 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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load.c: backtrace of circular require
* load.c (load_lock): print backtrace of circular require via
`Warning.warn` [ruby-core:80850] [Bug #13505]
Send the backtrace of the circular require warning as a single String to Warning.warn
* load.c: send as a single string.
* error.c: expose the string formatted by rb_warning as rb_warning_string().
* test/ruby/test_exception.rb: update tests.
[ruby-core:80850] [Bug #13505]
fix regexp literal warning.
* test/rubygems/test_gem_server.rb: eliminate duplicated character class warning.
[Bug #14481]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@62441 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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r56973 to pass the test introduced at previous commit.
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Fix a command injection vulnerability in Net::FTP.
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Merge rubygems-2.6.14 changes.
It fixed http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html
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* OpenSSL::ASN1.{decode,decode_all,traverse}: have a bug of
out-of-bounds read. int_ossl_asn1_decode0_cons() does not give the
correct available length to ossl_asn1_decode() when decoding the
inner components of a constructed object. This can cause
out-of-bounds read if a crafted input given.
Reference: https://hackerone.com/reports/170316
https://github.com/ruby/openssl/commit/1648afef33c1d97fb203c82291b8a61269e85d3b
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lib/webrick/log.rb: sanitize any type of logs
It had failed to sanitize some type of exception messages. Reported and
patched by Yusuke Endoh (mame) at https://hackerone.com/reports/223363
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@59902 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Fix space flag when Inf/NaN and width==3
* sprintf.c (rb_str_format): while `"% 2f"` and `"% 4f"` result in
`" Inf"` and `" Inf"` respectively, `"% 3f"` results in
`"Inf"` (no space).
Refactor "%f" % Inf/NaN
* sprintf.c (rb_str_format): as for non-finite float, calculate
the exact needed size with the space flag.
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2.4.5.3. [Backport #13842]
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* ext/psych/psych.gemspec: bump version to 2.0.8.1.
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configure.in: syscall is deprecated on macOS
* configure.in: syscall is no longer supported on macOS since
10.12. [ruby-core:80300] [Bug #13361]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58193 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* configure.in: improve ICC (Intel C Compiler) support.
* configure.in (CXX): The name of icc's c++ compiler is `icpc`.
* configure.in (warnings): Add `-diag-disable=2259` to suppress
noisy warnings: "non-pointer conversion from "..." to "..." may
lose significant bits".
* configure.in (optflags): Add `-fp-model precise` like -fno-fast-math.
* lib/mkmf.rb: icc supports -Werror=division-by-zero
and -Werror=deprecated-declarations, but doesn't support
-Wdivision-by-zero and -Wdeprecated-declarations.
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may fix the test failure on some platforms introduced at r58108.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58140 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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envutil.rb: timeout_error argument to invoke_ruby
* test/lib/envutil.rb (invoke_ruby): add `timeout_error` optional
keyword argument, the exception class to be raised if the target
process timed out. if it is nil, no exception will be raised at
timeout but the terminated output, error, and status will be
returned. defaulted to Timeout::Error.
* test/lib/envutil.rb (assert_separately): check outputs and
status (including diagnostic reports) of timed-out process.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58139 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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mark as exported. this may fix the load error introduced at r58115.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58137 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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docs for creating arrays
* array.c: [DOC] add example for Array.new with block and index.
Reported by Don Cruickshank. [ruby-core:68442] [Bug #10944]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58129 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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date_core.c: fix error in DateTime docs
* ext/date/date_core.c: [DOC] fix format string for DateTime#rfc3339.
Reported by Andreas Rayo Kniep. [ruby-core:68418] [Bug #10936]
* ext/date/date_core.c: [DOC] ditto for DateTime#iso8601 and
DateTime#xmlschema; other small improvements.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58128 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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io.c: improve docs
* io.c: [DOC] improve and harmonize docs for IO#read and ARGF#read;
fix invalid example code for IO#read to make it syntax highlighted.
* io.c: [DOC] various improvements for docs of IO, ARGF, and Kernel:
fix indent to ensure correct code block detection; sync "outbuf"
paragraph for {IO,ARGF}#read, {IO,ARGF}#readpartial, and IO#sysread;
fix formatting of call-seq's; improve Kernel#open example to use nil?;
fix RDoc markup and typos.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58127 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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vm_method.c: resolve refined method to undef
* vm_method.c (rb_undef): resolve the method entry which refines a
prepended method entry. [ruby-core:78944] [Bug #13096]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58126 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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date_core.c: expand docs for Date shifting
* ext/date/date_core.c: [DOC] expand docs for Date shifting
* add examples for Date#>> and Date#<< that clarify some edge cases
* add examples for Date#next_year and Date#prev_year
* add cross references to Date#>> and Date#<<
[ruby-core:79584] [Bug #13225]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58125 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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lib/ostruct.rb: [DOC] revise docs for OpenStruct
* update paragraph on implementation:
define_singleton_method is used, not define_method
* add call-seq with return values for each_pair
* adopt description of dig from Array and Hash
* fix description of the hash method
* :nodoc: initialize_copy, respond_to_missing?
* other small improvements, e.g. use the term `attribute' in the docs
(instead of `member'), which is clearer for users of the class
* improve code examples: e.g. use more consistent style (always use
double quotes, drop `p' and `puts', ...), update inspect output,
use example data that is not prone to change (like population)
* add more code examples
* fix some small errors and grammar
[ruby-core:79265] [Bug #13159]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58124 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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doc: improve documentation for Binding [ci skip]
* remove explicit return from code examples
* grammar fixes
* other small fixes
Patch by: Marcus Stollsteimer <sto.mar@web.de>
[ruby-core:79082] [Bug #13132]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58123 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nodoc OptParse
* lib/optparse.rb: [DOC] nodoc OptParse, introduced with r46126,
to avoid leaking of its documentation (OptionParser's docs) into
the class documentation of Object. [ruby-core:79909] [Bug #13281]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58122 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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rational.c: fix rdoc
* rational.c: [DOC] fix wrong indentations and comment out some lines
in code examples to make them valid Ruby code and syntax highlighted
on the rendered page.
[ci skip] [ruby-core:79607] [Bug #13233]
Author: Marcus Stollsteimer <sto.mar@web.de>
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58121 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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fileutils.rb: do not make root
* lib/fileutils.rb (FileUtils#mkdir_p): no need to make root
directory which should be exist and cannot be made with mkdir
recent Cygwin can make a directory contains a colon.
[Bug #13214]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58120 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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win32/resolv.rb: ad hoc workaround
* ext/win32/lib/win32/resolv.rb (Win32::Resolv::SZ): an ad hoc
workaround for broken registry. SearchList and other registry
values must be REG_SZ, or Windows ignores anything in those
values otherwise. [ruby-dev:49924] [Bug #13081]
https://github.com/rubygems/rubygems/issues/1700
win32/registry.rb: registry type names
* ext/win32/lib/win32/registry.rb (Win32::Registry#read): show
registry type names instead of numeric values.
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doc: Add example for Symbol#to_s
* string.c: add example for Symbol#to_s.
The docs for Symbol#to_s only include an example for
Symbol#id2name, but not for #to_s which is an alias;
the docs should include examples for both methods.
From: Marcus Stollsteimer <sto.mar@web.de>
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58118 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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rational.c: infinity in power
* rational.c (nurat_expt): return Infinity due to overflow.
[ruby-core:79686] [Bug #13242]:
rational.c: infinity in power
* rational.c (nurat_expt): return 0 due to overflow.
[ruby-core:79686] [Bug #13242]:
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vm.c: check type of hash to merge
* vm.c (core_hash_merge): check the type of the target hash to
merge. [ruby-core:78536] [Bug #13015]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58116 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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use TRUE/FALSE.
define rb_thread_sleep_deadly_allow_spurious_wakeup().
* thread.c, thread_sync.c: define new function
rb_thread_sleep_deadly_allow_spurious_wakeup() and use it instead of
using sleep_forever() directly.
allow Queue operation in trap.
* thread_sync.c: allow spurious wakeup to check Queue status just after trap.
[Bug #12405]
* test/thread/test_queue.rb: add a test for it.
test_queue.rb: fix portability
* test/thread/test_queue.rb (test_queue_with_trap): fix
portability. use SIGINT instead of SIGUSR2 which is supported
on not all platforms.
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#13190]
* doc/syntax/literals.rdoc (Strings): mention about ?a literal.
literals.rdoc: fix typos
* doc/syntax/literals.rdoc (Strings): fix typos.
* doc/syntax/literals.rdoc (Strings): [DOC] Document the full list
of supported escape sequences in string literals.
* doc/syntax/literals.rdoc (Strings): [DOC] Revise the character
literal part.
literals.rdoc: add DEL [ci skip]
* doc/syntax/literals.rdoc (Strings): [DOC] add DEL.
[DOC] `\0` is interpreted as NUL only if not followed by an octal digit.
[DOC] Remove `\0` since it's aprt of octal notation
A typo is fixed while at it.
doc: Fix error for escape sequences in string literals
Backslash goes first in escape sequences, so it must be
"any other character following a backslash is interpreted as ...",
while the doc says "...followed by...".
Author: Marcus Stollsteimer <sto.mar@web.de>
[ruby-core:79418] [Bug #13190]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58114 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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doc: restore class documentation for Struct
* struct.c: restore class documentation for Struct
that disappeared with r46663.
Due to r46663, the class documentation for Struct disappeared.
(The revision inserted the definition of `InitVM_Struct` between
the rdoc and the definition of `Init_Struct`.)
The docs are rendered for 2.1: <https://docs.ruby-lang.org/en/2.1.0/Struct.html>,
but not for later versions, see: <https://docs.ruby-lang.org/en/2.2.0/Struct.html>
(Same for `ri` pages).
[ruby-core:79416] [Bug #13189]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58113 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Enumerable#{min,min_by,max,max_by} [ci skip]
* enum.c: [DOC] Enumerable#{min,min_by,max,max_by} return a sorted
array when +n+ argument is used.
* enum.c: Small typo : minimum -> maximum
[Bug #13161]
Author: Eric Duminil <eric.duminil@gmail.com>
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58112 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* ruby.c (process_options): convert -e script to the encoding
given by a command line option on Windows. assume it is the
expected encoding. [ruby-dev:49461] [Bug #11900]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58111 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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rational.c: fix rdoc [ci skip]
* rational.c (rb_rational_plus): [DOC] fix an example.
A patch by Trygve Flathen <at.ruby-lang AT flathen.net> in
[ruby-core:71755]. [Bug #11752]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58110 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* win32/win32.c (poll_child_status): rb_w32_wait_events_blocking() sets
errno internally, then should not set it here.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58109 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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check thread deadness correctly.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@58108 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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