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| -rw-r--r-- | UPGRADING.INTERNALS | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/UPGRADING.INTERNALS b/UPGRADING.INTERNALS index 97b281a93e..36c10fb1f0 100644 --- a/UPGRADING.INTERNALS +++ b/UPGRADING.INTERNALS @@ -7,6 +7,7 @@ UPGRADE NOTES - PHP X.Y b. return_value_ptr now always available, RETVAL_ZVAL_FAST macros c. POST data handling d. Arginfo changes + e. New data types 2. Build system changes a. Unix build system changes @@ -18,6 +19,44 @@ UPGRADE NOTES - PHP X.Y ======================== a. zend_set_memory_limit() now takes the TSRMLS_CC macro as its last argument + e. New data types + + String + + Besides the old way of accepting the strings with 's', the new 'S' ZPP spec + was introduced. It expects an argument of the type zend_string *. String lengths + in it do no more depend on the firm 'int' datatype. The replacement + is a platform dependent size_t datatype called php_size_t. + + String length is defined as zend_size_t inside Zend and aliased as php_size_t + anywhere else. The inclusion of php.h is necessary. + + Integer types + + Integers do no more depend on the firm 'long' type. Instead a platform + dependent integer type is used. That datatype is defined dynamically to + guarantee the consistent 64 bit support. The zval field representing user + land integer it bound to php_int_t. + + Signed integer is defined as zend_int_t, unsigned integer as zend_uint_t + inside Zend. Both are aliased as php_int_t and php_uint_t anywhere else, + respectively. The inclusion of php.h is necessary. + + Other datatypes + + zend_off_t - portable off_t analogue + zend_stat_t - portable 'struct stat' analogue + + These datatypes are declared to be portable across platforms. Thus, direct + usage of the functions like fseek, stat, etc. as well as direct usage of + off_t and struct stat is strongly not recommended. Instead the portable + macros should be used. + + zend_fseek - portable fseek equivalent + zend_ftell - portable ftell equivalent + zend_lseek - portable lseek equivalent + zend_fstat - portable fstat equivalent + zend_stat - portable stat equivalent ======================== |