Preserve file-position when php://temp switches to temporary file

Closes GH-8333.

Constify char * arguments of APIs

Closes GH-5676.

Fix expression warnings and break warnings

Close GH-5675.

Fix #79467: data:// wrappers are writable

Despite the docs claiming that data: wrappers would not be writable[1],
they are implemented as writing to a memory stream. That does not seem

Fix #79467: data:// wrappers are writable

Despite the docs claiming that data: wrappers would not be writable[1],
they are implemented as writing to a memory stream. That does not seem
to be particularly sensible, so we disallow writing altogether.

[1] <https://www.php.net/manual/en/wrappers.data.php#refsect1-wrappers.data-options>

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Remove mention of PHP major version in Copyright headers

Closes GH-4732.

Report errors from stream read and write operations

The php_stream_read() and php_stream_write() functions now return
an ssize_t value, with negative results indicating failure. Function

Report errors from stream read and write operations

The php_stream_read() and php_stream_write() functions now return
an ssize_t value, with negative results indicating failure. Functions
like fread() and fwrite() will return false in that case.

As a special case, EWOULDBLOCK and EAGAIN on non-blocking streams
should not be regarded as error conditions, and be reported as
successful zero-length reads/writes instead. The handling of EINTR
remains unclear and is internally inconsistent (e.g. some code-paths
will automatically retry on EINTR, while some won't).

I'm landing this now to make sure the stream wrapper ops API changes
make it into 7.4 -- however, if the user-facing changes turn out to
be problematic we have the option of clamping negative returns to
zero in php_stream_read() and php_stream_write() to restore the
old behavior in a relatively non-intrusive manner.

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Remove local variables

This patch removes the so called local variables defined per
file basis for certain editors to properly show tab width, and
similar settings. These are mainly

Remove local variables

This patch removes the so called local variables defined per
file basis for certain editors to properly show tab width, and
similar settings. These are mainly used by Vim and Emacs editors
yet with recent changes the once working definitions don't work
anymore in Vim without custom plugins or additional configuration.
Neither are these settings synced across the PHP code base.

A simpler and better approach is EditorConfig and fixing code
using some code style fixing tools in the future instead.

This patch also removes the so called modelines for Vim. Modelines
allow Vim editor specifically to set some editor configuration such as
syntax highlighting, indentation style and tab width to be set in the
first line or the last 5 lines per file basis. Since the php test
files have syntax highlighting already set in most editors properly and
EditorConfig takes care of the indentation settings, this patch removes
these as well for the Vim 6.0 and newer versions.

With the removal of local variables for certain editors such as
Emacs and Vim, the footer is also probably not needed anymore when
creating extensions using ext_skel.php script.

Additionally, Vim modelines for setting php syntax and some editor
settings has been removed from some *.phpt files. All these are
mostly not relevant for phpt files neither work properly in the
middle of the file.

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Remove yearly range from copyright notice

Remove year range from copyright notice

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
use

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
user who changed it.

In Git this functionality is different and can be done with Git attribute
ident. These need to be defined manually for each file in the
.gitattributes file and are afterwards replaced with 40-character
hexadecimal blob object name which is based only on the particular file
contents.

This patch simplifies handling of $Id$ keywords by removing them since
they are not used anymore.

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year++

year++

year++

Turn "php_stream_wrapper"s into constants
Keep non-constant "php_stream_wrapper"s in API functions and callbacks for compatibility.

Move constants into read-only data segment

Avoid strings duplication (zend_hash* and printf may work with non zero terminated strings)

Removed support for BeOS, development for BeOS was supported 17 years ago.

This patch however does not drop support for the BeOS compatible variant, Haiku, see Github PR #2697 which is curre

Removed support for BeOS, development for BeOS was supported 17 years ago.

This patch however does not drop support for the BeOS compatible variant, Haiku, see Github PR #2697 which is currently a WiP

I intentionally left out some fragments for BeOS in the build system for that seems to be bundles

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Fix #75031: Support append mode in `php://temp` streams

This patch introduces a distinction between write mode and append
mode in `php://temp` and `php://memory` streams, achieving parit

Fix #75031: Support append mode in `php://temp` streams

This patch introduces a distinction between write mode and append
mode in `php://temp` and `php://memory` streams, achieving parity
with C stdio.

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eliminate casts

#74337 pointer returned by php_stream_fopen_tmpfile not validated in memory.c

Remove more unnecessary checks on Zend's allocator functions

Update copyright headers to 2017

Update copyright headers to 2017

Update copyright headers to 2017

Remove Netware support

If this does not break the Unix system somehow, I'll be amazed. This should get most of it out, apologies for any errors this may cause on non-Windows ends which I can

Remove Netware support

If this does not break the Unix system somehow, I'll be amazed. This should get most of it out, apologies for any errors this may cause on non-Windows ends which I cannot test atm.

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