PHP: rfc:string-size_t:progress

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====== Quick start ======

The feature branch is [[http://git.php.net/?p=php-src.git;a=shortlog;h=refs/heads/str_size_and_int64]]

Currently int64 support is disabled by default, size_t support is enabled by default

  * to build with size_t and int64 support use --enable-zint64 , size_t is enabled by default
  * to build without size_t and int64 support, use --enable-zstrlen , int64 is disabled by default

==== Relevant headers ====

  * Zend/zend_types.h
  * Zend/zend_int.h
  * Zend/zend_stream.h
  * main/php_stream.h

==== New datatypes/functions ====

  * zend_str_size has to be used for all the string sizes
  * zend_int_t, zend_uint_t are to be used instead of long and ulong
  * zend_off_t should be used instead of off_t
  * zend_stat_t, php_int_t should be used instead of "struct stat"
  * zend_fstat(), zend_stat_fn() macros are suitable to handle the *_stat_t types

**BE AWARE OF WHAT size_t IS, READ SOME DOC BEFORE STARTING TO AVOID TRIVIAL MISTAKES**
==== New macros ====

  * Z_STRSIZE is the replacement for Z_STRLEN
  * ZEND_INT_MAX is the replacement for LONG_MAX, as well ZEND_UINT_MAX, ZEND_SIZE_MAX for the corresponding old macros

==== Accepting values from userland with zend_parse_parameters() ====

  * "S" to accept string argument, the length has to be declared as zend_str_size, to replace the string length related variables with size_t, the appropriate macros from Zend/zend_types.h should be used (zend_str_size_int, zend_str_size_long, etc.)
  * "P" is the replacement for "p"
  * "i" to accept integer argument, the internal var has to be declared as php_int_t (inside PHP) or zend_int_t (inside Zend)
  * "I" to accept integer argument with range check, the internal var has to be declared as php_int_t (inside PHP) or zend_int_t (inside Zen



====== Progress ======

Initial work is done by ircmaxell, with that it compiles on linux and windows.

^ Area                ^ Assigned       ^ Status size_t         ^ Status int64      ^
| Zend                | weltling       | done                  | in progress      |
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^ Zend open questions ^ status^
| Array indexing              | in progress     |


^ ext/standard open questions ^ status^
| Mersenne Twister               | not started      |
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