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We have decided that we don't want to deal with the compilations
of prim_file:get_cwd() returning a binary when the current
directory name cannot be translated losslessly to a list (i.e.
when the run-time system was started with +fnu and the current directory
name contains bytes that are not part of a valid UTF-8 sequence).
Therefore, if prim_file:set_cwd() is given a binary as the pathname,
we will need to check the binary to make sure it can be translated
to a list. We will introduce a new BIF, called prim_file:is_translatable/1,
which will check both filename encoding mode, and if it is one of
Unicode modes, the binary as well.
We don't need to do anything special if prim_file:set_cwd() is passed
a list.
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The fix affects list_dir and read_link. Raw filenames are now
never produced, just consumed even if +fnu or +fna is used on
Linux etc.
This also adds the options to get error return or error handler
warning messages with +fn{u|a}{i|w|e} as an option to erl.
This is still not documented and there needs to be other versions
of read_dir and read_link to facilitate reading of all types
of filenames and links.
A check that we will not change to an invalid directory is also needed.
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Currently, the format of the return value from drv_command/3 is
determined solely by the efile driver's response. In a future
commit, we will need to produce different return values that
also dependend on which function in prim_file that was called;
thus, we will need some way to pass down some sort of state
to drv_get_response/2.
As a preparation for that, allow the third argument of drv_command/3
to be a fun. That also allows us to remove the convoluted special
case handling of the list_dir operation.
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Ports for operations that did not directly operate on a file (such
as listing the files in a directory) was always opened in a binary
mode, but there was still code that supported such port opened in
non-binary mode.
Since we are about to update the code reading directories, and we
don't want to bother we supporting non-binary ports, make sure that
we force the use of binary mode.
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* siri/unicode:
[test_server] Don't escape : and @ in test log links
[test_server] Don't create latin1 filenames if filename mode is utf8
[test_server] Ensure correct encoding in header for erl2html2:convert
[common_test] Update common test modules to handle unicode
[ts] Use unicode:characters_to_list/2 instead of binary_to_list/1
[test_server] Add tests for unicode support
[test_server] Write link target with correct encoding in erl2html2
[test_server] Update test_server to handle unicode
Update preloaded init.beam
Make arguments given with -s option to erl aware of file name encoding
OTP-10702
OTP-10783
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OTP-10702
Arguments to functions started with the -s option to erl were
converted to atoms with list_to_atom(binary_to_list(Bin)) and thus
were always seen as latin1 encoded.
For other arguments to erl the conversion (to string) would take into
account the file name translation mode (set with +fnl, +fnu or +fna
switch to erl) and try to convert using
unicode:characters_to_list/2. The reason behind this is that it must
be possible to give paths and filenames on the command line and get
the expected encoding.
With the same reasoning, this commit changes the behaviour for
arguments to functions started with the -s option to also take
into account the file name translation mode. The arguments are now
converted to atoms by
list_to_atom(unicode:characters_to_list(Bin,file:native_name_encoding())
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The code related to the introduction of unicode_string() and
unicode_char() has been removed. The types char() and string() have
been extended to include Unicode characters.
In fact char() was changed some time ago; this commit is about
cleaning up the documentation and introduce better names for some
functions.
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* sal/float_to_list_2/OTP-10752:
Text representation of a float formatted using given options.
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* rickard/r16/port-optimizations/OTP-10336:
Bump reductions also for immediate driver calls
Add 'port_count' and 'port_limit' to system_info/1 spec
Fix documentation
Replace use of deprecated functions in test cases
Replace use of driver_send_term() with erl_drv_send_term()
Conflicts:
erts/preloaded/ebin/erlang.beam
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This BIF solves a problem of float_to_list/1 that doesn't allow
specifying the number of digits after the decimal point when
formatting floats.
float_to_list(Float, Options) -> string()
Float = float()
Options = [Option]
Option = {decimals, Decimals::0..249} |
{scientific, Decimals::0..249} |
compact
Returns a string which corresponds to the text representation of
a `Float` formatted using given options.
When decimals option is specified the returned value will contain
at most `Decimals` number of digits past the decimal point.
When `compact` option is provided the trailing zeros at the end
of the list are truncated (this option is only meaningful together
with the `decimals` option). When `scientific` option is provided,
the float will be formatted using scientific notation with
`Decimals` digits of precision. If `Options` is `[]` the function
behaves like `float_to_list/1`. When using `decimals` option and
the number doesn't fit in the static internal buffer of 256 bytes
the function throws `badarg`.
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This operation allows pre-allocation of space for files.
It succeeds only on systems that support such operation.
The POSIX standard defines the optional system call
posix_fallocate() to implement this feature. However,
some systems implement more specific functions to
accomplish the same operation.
On Linux, if the more specific function fallocate() is
implemented, it is used instead of posix_fallocate(),
falling back to posix_fallocate() if the fallocate()
call failed (it's only supported for the ext4, ocfs2,
xfs and btrfs file systems at the moment).
On Mac OS X it uses the specific fcntl() operation
F_PREALLOCATE, falling back to posix_fallocate() if
it's available (at the moment Mac OS X doesn't provide
posix_fallocate()).
On any other UNIX system, it uses posix_fallocate() if it's
available. Any other system not providing this system call
or any function to pre-allocate space for files, this operation
always fails with the ENOTSUP POSIX error.
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Document new BIFs:
* erlang:insert_element/3
* erlang:delete_element/2
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rickard/r16/port-optimizations/OTP-10336
* rickard/port-optimizations/OTP-10336:
Change annotate level for emacs-22 in cerl
Update etp-commands
Add documentation on communication in Erlang
Add support for busy port message queue
Add driver callback epilogue
Implement true asynchronous signaling between processes and ports
Add erl_drv_[send|output]_term
Move busy port flag
Use rwlock for driver list
Optimize management of port tasks
Improve configuration of process and port tables
Remove R9 compatibility features
Use ptab functionality also for ports
Prepare for use of ptab functionality also for ports
Atomic port state
Generalize process table implementation
Implement functionality for delaying thread progress from unmanaged threads
Conflicts:
erts/doc/src/erl_driver.xml
erts/doc/src/erlang.xml
erts/emulator/beam/beam_bif_load.c
erts/emulator/beam/beam_bp.c
erts/emulator/beam/beam_emu.c
erts/emulator/beam/bif.c
erts/emulator/beam/copy.c
erts/emulator/beam/erl_alloc.c
erts/emulator/beam/erl_alloc.types
erts/emulator/beam/erl_bif_info.c
erts/emulator/beam/erl_bif_port.c
erts/emulator/beam/erl_bif_trace.c
erts/emulator/beam/erl_init.c
erts/emulator/beam/erl_message.c
erts/emulator/beam/erl_port_task.c
erts/emulator/beam/erl_process.c
erts/emulator/beam/erl_process.h
erts/emulator/beam/erl_process_lock.c
erts/emulator/beam/erl_trace.c
erts/emulator/beam/export.h
erts/emulator/beam/global.h
erts/emulator/beam/io.c
erts/emulator/sys/unix/sys.c
erts/emulator/sys/vxworks/sys.c
erts/emulator/test/port_SUITE.erl
erts/etc/unix/cerl.src
erts/preloaded/ebin/erlang.beam
erts/preloaded/ebin/prim_inet.beam
erts/preloaded/src/prim_inet.erl
lib/hipe/cerl/erl_bif_types.erl
lib/kernel/doc/src/inet.xml
lib/kernel/src/inet.erl
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* pan/erlang-spec-error/open_port:
Fix spec for erlang:process_info/{1,2}
Add 'hide' option to erlang:open_port/2 spec
* Update preloaded erlang.beam
OTP-10584
OTP-9684
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Conflicts:
lib/diameter/autoconf/vxworks/sed.general
xcomp/README.md
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* ta/docsmaint:
Fix various doc typos for R15B02
Fix various code typos for R15B02
OTP-10245
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* maint:
Bumped version nr
ssl & public_key: Workaround that some certificates encode countryname as utf8 and close down gracefully if other ASN-1 errors occur.
Add more cross reference links to ct docs
Remove config option from common_test args
Update user config to use nested tuple keys
Allow mixed IPv4 and IPv6 addresses to sctp_bindx
Add checks for in6addr_any and in6addr_loopback
Fix SCTP multihoming
observer: fix app file (Noticed-by: Motiejus Jakstys)
Fix lib/src/test/ssh_basic_SUITE.erl to fix IPv6 option typos
Prevent index from being corrupted if a nonexistent item is deleted
Add tests showing that trying to delete non-existing object may corrupt the table index
Fix Table Viewer search crash on new|changed|deleted rows
Escape control characters in Table Viewer
Fix Table Viewer crash after a 'Found' -> 'Not found' search sequence
inet_drv.c: Set sockaddr lengths in inet_set_[f]address
Conflicts:
erts/preloaded/ebin/prim_inet.beam
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* tab/fix-sctp-multihoming-IPv6/OTP-10217:
Allow mixed IPv4 and IPv6 addresses to sctp_bindx
Add checks for in6addr_any and in6addr_loopback
Fix SCTP multihoming
inet_drv.c: Set sockaddr lengths in inet_set_[f]address
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Conflicts:
erts/preloaded/ebin/init.beam
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This is a workaround for init:restart.
The root problem is that delete/purge_module does not
clean up internal hipe bookkeeping (hipe_mfa_info's)
properly.
Symptom: Execution of deallocated beam code.
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Conflicts:
erts/doc/src/erlang.xml
erts/preloaded/ebin/init.beam
lib/kernel/doc/src/os.xml
lib/stdlib/test/filename_SUITE.erl
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Also allow mixed address families to bind, since the first address on
a multihomed sctp socket must be bound with bind, while the rest are
to be bound using sctp_bindx.
At least Linux supports adding address of mixing families.
Make inet_set_faddress function available also when HAVE_SCTP is not
defined, since we use it to find an address for bind to be able to mix
ipv4 and ipv6 addresses.
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Putenv and getenv needs to convert to the proper environment
strings in Unicode depending on platform and user settings for filename
encoding. Also erlexec needs to pass environment strings in an appropriate
way for kernel to pick up. All environment strings on the command
line, as well as home directory, is now passed in UTF8 on windows
and in whatever encoding you have on Unix, kernel tries to convert all
parameters and environments from UTF8 before making strings.
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Changed:
erts/preloaded/ebin/erl_prim_loader.beam
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Conflicts:
erts/preloaded/ebin/erl_prim_loader.beam
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erl_prim_loader.beam
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When correcting OTP-10071, a new error was introduced in
erl_prim_loader. In order to improve ability to detect if a file was
inside the primary archive, all paths were flattened - i.e. "." and
".." were removed. This implementation had some faults, and it did not
take symlinks into account. This has been corrected.
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