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
TSRM weltling done in progress
main weltling done in progress
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Zend open questions status
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rfc/string-size_t/progress.1384365701.txt.gz · Last modified: 2013/11/13 19:01 by ab