Fix shift out of bounds on 32-bit non-fast-path platforms (#10941)

The x86-32 build uses a fast path, but when I disabled the fast path I
got the following compile error with -Werror:

Fix shift out of bounds on 32-bit non-fast-path platforms (#10941)

The x86-32 build uses a fast path, but when I disabled the fast path I
got the following compile error with -Werror:
mysqlnd_portability.h:221:95: error: right shift count >= width of type [-Werror=shift-count-overflow]

For 32-bit platforms that don't have the fast path, this can cause
undefined behaviour at runtime. Some CPUs just mask the shift amount
so in those cases you even get wrong results.
This is not always found during the build because -Werror is off by
default.

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Replace php_stdint.h header with standard headers (#8613)

Remove MYSQLND_SZ_T_SPEC

In favor of %zu, which msvc has supported for quite a while already.

Remove unused mysqlnd portability macros

Remove int6store()

The implementation is broken (syntactically). As it's not used
anyway, I'm just dropping it instead.

Fix #79172: STRUCT_OFFSET() relies on undefined behavior

Since this pattern is understood by compilers, not a real issue, but
certainly cleaner this way.

Fix shift UB in sint4korr()

Remove MYSQLND_LLU_SPEC/MYSQLND_LL_SPEC

No longer used, replaced by PRIu64/PRIi64.

Remove legacy AC_CHECK_TYPE calls for uint and ulong

The AC_CHECK_TYPE was refactored in more recent versions of Autoconf
and the call with two arguments is obsolete and not recommended

Remove legacy AC_CHECK_TYPE calls for uint and ulong

The AC_CHECK_TYPE was refactored in more recent versions of Autoconf
and the call with two arguments is obsolete and not recommended anymore.

This patch also refactors some leftovers of using ulong and uint which
are not standard nor common usages of types in C.

The ulong can be used as zend_ulong and uint usage is actually
`unsigned int`.

The usage of HAVE_ULONG removed since it is not used in current code
base.

Legacy edgecase for some legacy HPUX systems removed:
- sys/stream.h header is not checked and the HAVE_SYS_STREAM_H is
not defined with current build system.

- flags are unsigned int
- max_allowed_packet changed to unsigned int

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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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Fix emails in headers. @mysql.com addresses are no more since many years.

trailing whitespace removal

master renames phase 1

ported mysql and mysqlnd

unify stdint type usage

if you need C99 stdint types, just include "php_stdint.h"

Even better patch

don't define twice the macro on some platforms

try to workaround problems with non-c99 on HPUX

remove redefinition of bit_uint8korr

Fix compilation warnings

fix macro so that 5-byte BIT values are decoded correctly

- Fix the build issue with php_mysqlnd_config.h ending up in wrong build directory

Fixed compilation error

Baby, one more time :(

Better fix. A fix of the fix