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<img alt="Erlang logo" src="../../../../doc/erlang-logo.png"><br><small><a href="users_guide.html">User's Guide</a><br><a href="index.html">Reference Manual</a><br><a href="release_notes.html">Release Notes</a><br><a href="../pdf/erl_interface-3.6.5.pdf">PDF</a><br><a href="../../../../doc/index.html">Top</a></small><p><strong>Erlang Interface</strong><br><strong>Release Notes</strong><br><small>Version 3.6.5</small></p>
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<ul class="flipMenu" imagepath="../../../../doc/js/flipmenu"><li id="loadscrollpos" title="Erl_interface Release Notes" expanded="true">Erl_interface Release Notes<ul>
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Top of chapter
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<li title="Erl_Interface 3.6.5"><a href="notes.html#id2258351">Erl_Interface 3.6.5</a></li>
<li title="Erl_Interface 3.6.4"><a href="notes.html#id2261127">Erl_Interface 3.6.4</a></li>
<li title="Erl_Interface 3.6.3"><a href="notes.html#id2260676">Erl_Interface 3.6.3</a></li>
<li title="Erl_Interface 3.6.2"><a href="notes.html#id2259235">Erl_Interface 3.6.2</a></li>
<li title="Erl_Interface 3.6.1"><a href="notes.html#id2251563">Erl_Interface 3.6.1</a></li>
<li title="Erl_Interface 3.6.1"><a href="notes.html#id2259077">Erl_Interface 3.6.1</a></li>
<li title="Erl_Interface 3.6"><a href="notes.html#id2259111">Erl_Interface 3.6</a></li>
<li title="Erl_Interface 3.5.9"><a href="notes.html#id2259144">Erl_Interface 3.5.9</a></li>
<li title="Erl_Interface 3.5.8"><a href="notes.html#id2254316">Erl_Interface 3.5.8</a></li>
<li title="Erl_Interface 3.5.7"><a href="notes.html#id2254347">Erl_Interface 3.5.7</a></li>
<li title="Erl_Interface 3.5.6"><a href="notes.html#id2254399">Erl_Interface 3.5.6</a></li>
<li title="Erl_Interface 3.5.5.4"><a href="notes.html#id2258569">Erl_Interface 3.5.5.4</a></li>
<li title="Erl_Interface 3.5.5.3"><a href="notes.html#id2258615">Erl_Interface 3.5.5.3</a></li>
<li title="Erl_Interface 3.5.5.2"><a href="notes.html#id2258668">Erl_Interface 3.5.5.2</a></li>
<li title="Erl_Interface 3.5.5.1"><a href="notes.html#id2258851">Erl_Interface 3.5.5.1</a></li>
<li title="Erl_Interface 3.5.5"><a href="notes.html#id2258884">Erl_Interface 3.5.5</a></li>
<li title="Erl_interface 3.5.2"><a href="notes.html#id2261235">Erl_interface 3.5.2</a></li>
<li title="Erl_interface 3.5.1"><a href="notes.html#id2261270">Erl_interface 3.5.1</a></li>
<li title="Erl_interface 3.5"><a href="notes.html#id2261305">Erl_interface 3.5</a></li>
<li title="Erl_interface 3.4.5"><a href="notes.html#id2261382">Erl_interface 3.4.5</a></li>
<li title="Erl_interface 3.4.4"><a href="notes.html#id2257450">Erl_interface 3.4.4</a></li>
<li title="Erl_interface 3.4.2"><a href="notes.html#id2257484">Erl_interface 3.4.2</a></li>
<li title="Erl_interface 3.4.1"><a href="notes.html#id2257518">Erl_interface 3.4.1</a></li>
</ul>
</li></ul>
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<div id="content">
<div class="innertube">
<h1>1 Erl_interface Release Notes</h1>
<p>This document describes the changes made to the Erl_interface application.</p>
<h3><a name="id2258351">1.1
Erl_Interface 3.6.5</a></h3>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>
Document debug support.</p>
<p>
Debug trace output for connection activity could be
enabled setting the trace level as an integer to the
EI_TRACELEVEL environment variable. This option could
also be read and set from a running program using
ei_get_tracelevel(void) and ei_set_tracelevel(int).</p>
<p>
Own Id: OTP-5037</p>
</li>
<li>
<p>Cross compilation improvements and other build system
improvements.</p>
<p>Most notable:</p> <ul>
<li> Lots of cross
compilation improvements. The old cross compilation
support was more or less non-existing as well as broken.
Please, note that the cross compilation support should
still be considered as experimental. Also note that old
cross compilation configurations cannot be used without
modifications. For more information on cross compiling
Erlang/OTP see the <span class="code">$ERL_TOP/INSTALL-CROSS.md</span> file.
</li>
<li> Support for staged install using <span class="bold_code"><a href="http://www.gnu.org/prep/standards/html_node/DESTDIR.html">DESTDIR</a></span>.
The old broken <span class="code">INSTALL_PREFIX</span> has also been fixed.
For more information see the <span class="code">$ERL_TOP/INSTALL.md</span>
file. </li>
<li> Documentation of the <span class="code">release</span>
target of the top <span class="code">Makefile</span>. For more information
see the <span class="code">$ERL_TOP/INSTALL.md</span> file. </li>
<li>
<span class="code">make install</span> now by default creates relative
symbolic links instead of absolute ones. For more
information see the <span class="code">$ERL_TOP/INSTALL.md</span> file.
</li>
<li> <span class="code">$ERL_TOP/configure --help=recursive</span>
now works and prints help for all applications with
<span class="code">configure</span> scripts. </li>
<li> Doing <span class="code">make
install</span>, or <span class="code">make release</span> directly after
<span class="code">make all</span> no longer triggers miscellaneous
rebuilds. </li>
<li> Existing bootstrap system is now
used when doing <span class="code">make install</span>, or <span class="code">make
release</span> without a preceding <span class="code">make all</span>.
</li>
<li> The <span class="code">crypto</span> and <span class="code">ssl</span>
applications use the same runtime library path when
dynamically linking against <span class="code">libssl.so</span> and
<span class="code">libcrypto.so</span>. The runtime library search path has
also been extended. </li>
<li> The <span class="code">configure</span>
scripts of <span class="code">erl_interface</span> and <span class="code">odbc</span> now
search for thread libraries and thread library quirks the
same way as <span class="code">erts</span> do. </li>
<li> The
<span class="code">configure</span> script of the <span class="code">odbc</span> application
now also looks for odbc libraries in <span class="code">lib64</span> and
<span class="code">lib/64</span> directories when building on a 64-bit
system. </li>
<li> The <span class="code">config.h.in</span> file in the
<span class="code">erl_interface</span> application is now automatically
generated in instead of statically updated which reduces
the risk of <span class="code">configure</span> tests without any effect.
</li>
</ul>
<p>(Thanks to Henrik Riomar for suggestions and
testing)</p>
<p>(Thanks to Winston Smith for the AVR32-Linux cross
configuration and testing)</p>
<p>
*** POTENTIAL INCOMPATIBILITY ***</p>
<p>
Own Id: OTP-8323</p>
</li>
<li>
<p>
Change erroneous "\\0" in documentation files
<span class="code">erl_notes.xml</span> and <span class="code"> erl_eterm.xml</span>.</p>
<p>
Own Id: OTP-8326</p>
</li>
<li>
<p>
Allow <span class="code">erl_match()</span> to match <span class="code">ERL_LONGLONG</span> and
<span class="code">ERL_U_LONGLONG</span> terms (Thanks to Scott Lystig
Fritchie).</p>
<p>
Own Id: OTP-8400</p>
</li>
</ul>
<h3><a name="id2261127">1.2
Erl_Interface 3.6.4</a></h3>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>
The documentation is now built with open source tools
(xsltproc and fop) that exists on most platforms. One
visible change is that the frames are removed.</p>
<p>
Own Id: OTP-8201</p>
</li>
</ul>
<h3><a name="id2260676">1.3
Erl_Interface 3.6.3</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>
The manual states that erl_receive() return the reason in
the <span class="code">ErlMessage</span> struct. This was not the case and
the function is now corrected.</p>
<p>
*** POTENTIAL INCOMPATIBILITY ***</p>
<p>
Own Id: OTP-4969</p>
</li>
<li>
<p>
In <span class="code">send_exit.c</span> an errorneous size of memory
allocation could occur when reallocating a buffer.</p>
<p>
In <span class="code">ei_decode_trace.c</span> the index could be updated
when the decoding failed.</p>
<p>
In <span class="code">ei_printterm.c</span> the index could be updated when
the decoding failed in lists and tuples.</p>
<p>
In <span class="code">ei_decode_term.c</span> when decoding a double
(ERL_FLOAT_EXT) no check was done to ensure that the last
of the 31 bytes was null terminated.</p>
<p>
In <span class="code">ei_decode_term.c</span> when decoding references, only
the first 3 bytes are read, but the index did not
increment by the total size.</p>
<p>
In <span class="code">ei_decode_fun.c</span> no check of correct buffer
allocation or data length was done.</p>
<p>
In <span class="code">ei_decode_string.c</span> the integer list string case
did not decode the NIL tail correctly.</p>
<p>
These errors has now been fixed. (Thanks to Romain
Lenglet, Paul Mineiro and Paul Guyot).</p>
<p>
Own Id: OTP-6117</p>
</li>
<li>
<p>
<span class="code">ei_decode_big</span> could be decoded with a garbage
byte.</p>
<p>
<span class="code">ei_encode_big</span> and <span class="code">ei_x_encode_big</span> is now
available.</p>
<p>
Own Id: OTP-7554</p>
</li>
<li>
<p>
The function <span class="code">erl_init_resolve()</span> did not conform to
C99 standard which caused a build error on some
platforms. This has now been fixed.</p>
<p>
Own Id: OTP-8093</p>
</li>
<li>
<p>
<span class="code">Makefile.in</span> has been updated to use the LDFLAGS
environment variable (if set). (Thanks to Davide
Pesavento.)</p>
<p>
Own Id: OTP-8157</p>
</li>
</ul>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>
Added support for 64-bit integers in encoding/decoding.</p>
<p>
Added support for better printouts of binaries.</p>
<p>
Own Id: OTP-6091</p>
</li>
</ul>
<h3><a name="id2259235">1.4
Erl_Interface 3.6.2</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>
A problem with <span class="code">gethostbyname</span> in <span class="code">erl_start.c</span>
could cause a buffer overflow. This has now been fixed.</p>
<p>
Clean up of code and removed compiler warnings.</p>
<p>
Own Id: OTP-7978</p>
</li>
</ul>
<h3><a name="id2251563">1.5
Erl_Interface 3.6.1</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>A faulty validation in <span class="code">ei_reg_getpval</span> caused it
to never return the key-value. This has now been fixed.
(Thanks to Matt Stancliff)</p>
<p>
Own Id: OTP-7960</p>
</li>
</ul>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>Minor update to the <span class="code">configure</span> script.</p>
<p>
Own Id: OTP-7959</p>
</li>
</ul>
<h3><a name="id2259077">1.6
Erl_Interface 3.6.1</a></h3>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>Minor update to the <span class="code">configure</span> script.</p>
<p>
Own Id: OTP-7959</p>
</li>
</ul>
<h3><a name="id2259111">1.7
Erl_Interface 3.6</a></h3>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>
Nodes belonging to different independent clusters can now
co-exist on the same host with the help of a new
environment variable setting ERL_EPMD_PORT.</p>
<p>
Own Id: OTP-7826</p>
</li>
</ul>
<h3><a name="id2259144">1.8
Erl_Interface 3.5.9</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>
A type-casting bug in ei_skip_term and ei_printterm on
64bit platforms rendering undefined results is now
corrected.</p>
<p>
Own Id: OTP-7577</p>
</li>
<li>
<p>
A bug in the hostent copying code of erl_interface on
MacOS X/Darwin is now corrected.</p>
<p>
Own Id: OTP-7593</p>
</li>
<li>
<p>A problem with building <span class="code">erl_interface</span> on
FreeBSD has been fixed (Thanks to Akira Kitada).</p>
<p>
Own Id: OTP-7611</p>
</li>
</ul>
<h3><a name="id2254316">1.9
Erl_Interface 3.5.8</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>
Fixed bug in erl_interface when decoding broken data</p>
<p>
Own Id: OTP-7448</p>
</li>
</ul>
<h3><a name="id2254347">1.10
Erl_Interface 3.5.7</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>
An erroneous freeing of memory could occur when using
<span class="code">ei_x_format_wo_ver</span> in erl_interface, resulting in
a segmentation fault.</p>
<p>
Own Id: OTP-6795</p>
</li>
<li>
<p>
A faulty compare in <span class="code">erl_marshal</span> has now been
fixed. (Thanks to Simon Cornish and Paul Mineiro)</p>
<p>
Own Id: OTP-7368</p>
</li>
</ul>
<h3><a name="id2254399">1.11
Erl_Interface 3.5.6</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>
Minor documentation fixes.</p>
<p>
Own Id: OTP-7183 Aux Id: OTP-7118 </p>
</li>
</ul>
<h3><a name="id2258569">1.12
Erl_Interface 3.5.5.4</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>
The symbol __erl_errno was undefined in the single thread
version of the ei library, but is now defined.</p>
<p>
Own Id: OTP-6887</p>
</li>
<li>
<p>
Corrected FreeBSD build error.</p>
<p>
Own Id: OTP-7093</p>
</li>
</ul>
<h3><a name="id2258615">1.13
Erl_Interface 3.5.5.3</a></h3>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>Calls to alloca in erl_marshal.c have been removed. A
static buffer is now used instead to store node names
temporarily.</p>
<p>Own Id: OTP-6331 Aux Id: seq10468 </p>
</li>
<li>
<p>ei_print_term interprets a list of integers with values
from 0 to 255 as a string. If the original list contains
the integer 0, this is considered terminator of the
string. This is incorrect. The function has now been
modified to not look for '\0' in a string, but always
print all characters.</p>
<p>Own Id: OTP-6339 Aux Id: seq10492 </p>
</li>
</ul>
<h3><a name="id2258668">1.14
Erl_Interface 3.5.5.2</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>The combination of xeon processors with 64bit x86
extensions and a 32bit linux could cause ei_decode_long
and ei_decode_longlong to fail for the value LONG_MIN and
LONGLONG_MIN. The conversion is now made more portable.</p>
<p>Own Id: OTP-6216</p>
</li>
</ul>
<h3><a name="id2258851">1.15
Erl_Interface 3.5.5.1</a></h3>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>Portability enhancements.</p>
<p>Own Id: OTP-6132</p>
</li>
</ul>
<h3><a name="id2258884">1.16
Erl_Interface 3.5.5</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>Different (and old) <span class="code">config.guess</span> files in the
<span class="code">erts</span> and <span class="code">erl_interface</span> applications would
cause build problems on the new Intel-based iMacs.
(Thanks to Sebastion Strollo.)</p>
<p>Own Id: OTP-5967</p>
</li>
<li>
<p>pthread header and library mismatch on linux systems (at
least some SuSE and Debian) with both NPTL and
Linuxthreads libraries installed.</p>
<p>Own Id: OTP-5981</p>
</li>
</ul>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>Support for a C node to connect to an Erlang node on a
standalone host has been added.</p>
<p>Own Id: OTP-5883 Aux Id: seq10170 </p>
</li>
</ul>
<h3><a name="id2261235">1.17
Erl_interface 3.5.2</a></h3>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>A configuration test error caused erl_interface to be
built without support for threads. This has been
corrected.</p>
<p>Own Id: OTP-5456</p>
</li>
</ul>
<h3><a name="id2261270">1.18
Erl_interface 3.5.1</a></h3>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>Changes and improvements have been made to the build and
test environment to solve problems with failing
erl_interface test cases.</p>
<p>Own Id: OTP-5295 Aux Id: OTP-5387 </p>
</li>
</ul>
<h3><a name="id2261305">1.19
Erl_interface 3.5</a></h3>
<h4>Improvements and New Features</h4>
<ul>
<li>
<p>Process identifiers and port identifiers have been
made more unique. Previously 18 bits were used as id in
the internal representation of process and port
identifiers. Now 28 bits are used. </p>
<p>The maximum
limit on the number of concurrently existing processes
due to the representation of pids has been increased to
268435456 processes. The same is true for ports. This
limit will at least on a 32-bit architecture be
impossible to reach due to memory shortage. </p>
<p><strong>NOTE:</strong> By default, the <span class="code">ERTS</span>, and the
<span class="code">erl_interface</span>, <span class="code">ei</span>, and <span class="code">jinterface</span>
libraries are now only guaranteed to be compatible with
other Erlang/OTP components from the same release. It is
possible to set each component in compatibility mode of
an earlier release, though. See the documentation for
respective component on how to set it in compatibility
mode. </p>
<p>*** POTENTIAL INCOMPATIBILITY ***</p>
<p>Own Id: OTP-4968 Aux Id: OTP-4196 </p>
</li>
</ul>
<h3><a name="id2261382">1.20
Erl_interface 3.4.5</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>Corrections for mistakes done for patch erl_605/OTP-4874.</p>
<p>Own Id: OTP-4995 Aux Id: OTP-4874 </p>
</li>
</ul>
<h3><a name="id2257450">1.21
Erl_interface 3.4.4</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>A small optimization in ei_rpc*() was added and a bug in
ei_decode_longlong() was corrected.</p>
<p>Own Id: OTP-4784</p>
</li>
</ul>
<h3><a name="id2257484">1.22
Erl_interface 3.4.2</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>Strings longer than 65535 bytes were encoded wrong in
ei/erl_interface.</p>
<p>Own Id: OTP-4865 Aux Id: EABln07451 </p>
</li>
</ul>
<h3><a name="id2257518">1.23
Erl_interface 3.4.1</a></h3>
<h4>Fixed Bugs and Malfunctions</h4>
<ul>
<li>
<p>erl_call -a parsed erlang terms incorrectly due to a bug
in ei_format, which is now corrected.</p>
<p>Own Id: OTP-4777 Aux Id: seq8099 </p>
</li>
</ul>
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