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This is just a preparation to allow detection of older nodes
that do not understand maps (R16 and older).
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to be: 116,Arity, K1,V1,K2,V2,...,Kn,Vn
instead of: 116,Arity, K1,K2,...,Kn, V1,V2,....,Vn
We think this will be better for future internal map structures
like HAMT. Would be bad if we need to iterate twice over HAMT
in term_to_binary, one for keys and one for values.
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Let Maps be tested in the suite.
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The API and implementation are simplistic, like for lists and tuples,
using arrays and without any connection to java.util.Map.
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* maint:
Add smoke tests
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Smoke tests are meant to verify that a build of erlang has been successfull.
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The test cases nc_SUITE:decompress_roundtrip and
nc_SUITE:compress_roundtrip fails on some machines with
OutOfMemoryException. This commit sets the max heap size for the jvm
to 256M in nc_SUITE in order to get around this.
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In some cases when a test case fails, the erl_link_server process
(which is spawned by many test cases in jinterface_SUITE) does not
terminate. This causes the next test case to fail with a badarg as it
tries to register a new process with the same name. To avoid this,
erl_link_server, if it exists, is now killed in end_per_testcase.
Also, some compiler warnings are removed from jitu.erl.
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Add quotes around classpath on windows.
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* nk/jinterface_dont_compress_if_size_increased/OTP-10822:
jinterface, OtpOutputStream: add a write_compressed(object, level) method
jinterface: fix a memory leak
jinterface: new limited OutputStream implementation without the need to resize
jinterface: don't return compressed external term if bigger than uncompressed
jinterface: don't compress small erlang terms < 5 bytes
jinterface, OtpOutputStream: properly override the three write() methods to ensure our growth strategy
jinterface: fix typo in error message if encoding fails
jinterface: don't need another FilterOutputStream wrapper
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* vd/jinterface_windows_cookie/OTP-10821:
jinterface: fix finding cookie file on windows
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Now that we use an own deflater, we can also allow the user to specify the compression level as in Erlang's term_to_binary/2.
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after the first try to compress the value with a fixed buffer size, the deflater must be closed so that memory can be (instantly) reused
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(saves memory re-allocations)
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Now, OtpOutputStream#write_compressed() uses the same mechanism as erts_term_to_binary() in external.c: it tries to compress the given term into a buffer of the size of the uncompressed term and if this is not possible, i.e. the compression plus headers is bigger, it uses the uncompressed external term format instead.
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Compression always has at least 5 bytes (the compressed tag + original size) so we can't get a smaller external term if the original term is already smaller than 5 bytes.
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ensure our growth strategy
Previously, if code called e.g. write(byte[] b, int off, int len), the growth strategy of the parent class ByteArrayOutputStream was used.
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DeflaterOutputStream is already an FilterOutputStream
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Jinterface uses System.getProperty("user.home") to locate the user's home
and the cookie file. On Windows, the result might be different than the
value used by Erlang, which looks first to the HOMEDRIVE and HOMEPATH
variables.
The fix makes jinterface use the same logic.
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The elems field would remain unitialized if the count parameter is zero in constructor
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* sverk/r16/utf8-atoms:
erl_interface: Fix bug when transcoding atoms from and to UTF8
erl_interface: Changed erlang_char_encoding interface
erts: Testcase doing unicode atom printout with ~w
erl_interface: even more utf8 atom stuff
erts: Fix bug in analyze_utf8 causing faulty latin1 detection
Add UTF-8 node name support for epmd
workaround...
Fix merge conflict with hasse
UTF-8 atom documentation
test case
erl_interface: utf8 atoms continued
Add utf8 atom distribution test cases
atom fixes for NIFs and atom_to_binary
UTF-8 support for distribution
Implement UTF-8 atom support for jinterface
erl_interface: Enable decode of unicode atoms
stdlib: Fix printing of unicode atoms
erts: Change internal representation of atoms to utf8
erts: Refactor rename DFLAG(S)_INTERNAL_TAGS for conformity
Conflicts:
erts/emulator/beam/io.c
OTP-10753
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* nox/enable-silent-rules/OTP-10726:
Implement ./otp_build configure --enable-silent-rules
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With silent rules, the output of make is less verbose and compilation
warnings are easier to spot. Silent rules are disabled by default and
can be disabled or enabled at will by make V=0 and make V=1.
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* vd/jinterface_epmd_localhost:
OtpEpmd.lokupNames() may hang if network is badly configured
OTP-10579
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* nk/jinterface-fix_compressed_binary:
add (de)compress roundtrip tests with larger values
fix reading compressed binary terms from Java
OTP-10505
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On some machines with weird network configurations,
InetAddress.getLocalHost() hangs. Searching for "localhost" works (at
least in the cases I met). The difference is that the loopback address
will be returned, instead of the real IP address, but for the local
machine this should not be a problem.
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Larger compressed binary could not be decoded inside JInterface.
- applied a patch posted on erlang-questins in September 2009
http://erlang.org/pipermail/erlang-patches/2009-September/000478.html
-> extended this patch as it alone was not enough to fix the bug
Problem was that when reading from an InputStream, you can only specify a maximum number of bytes to read. Java doesn't quarantee that it actually reads this many bytes - it could be less!
This patch now reads up until the expected size bytes. If there are more than expected, the actual number of available bytes is not printed (we probably shouldn't read the additional bytes, security-wise - the erlang external byte representation is broken in this case though).
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OTP-10106
OTP-10107
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