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Constant evaluation of ini_get() for some safe cases

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This commit is contained in:
Dmitry Stogov
2017-07-10 11:54:04 +03:00
parent 9e36a748b2
commit 0e882f189a
1 changed files with 18 additions and 3 deletions
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21
ext/opcache/Optimizer/sccp.c
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@@ -545,6 +545,24 @@ static inline int ct_eval_func_call(
}
ZVAL_STR(result, str);
return SUCCESS;
} else if (zend_string_equals_literal(name, "ini_get")) {
zend_ini_entry *ini_entry;
if (num_args != 1 || Z_TYPE_P(args[0]) != IS_STRING) {
return FAILURE;
}
ini_entry = zend_hash_find_ptr(EG(ini_directives), Z_STR_P(args[0]));
if (!ini_entry) {
ZVAL_FALSE(result);
} else if (ini_entry->modifiable != ZEND_INI_SYSTEM) {
return FAILURE;
} else if (ini_entry->value) {
ZVAL_STR_COPY(result, ini_entry->value);
} else {
ZVAL_EMPTY_STRING(result);
}
return SUCCESS;
} else {
uint32_t i;
zend_execute_data *execute_data;
@@ -580,9 +598,6 @@ static inline int ct_eval_func_call(
|| (num_args == 2 && Z_TYPE_P(args[0]) == IS_ARRAY && Z_TYPE_P(args[1]) == IS_STRING))) {
/* pass */
} else {
#if 0
fprintf(stderr, "constant ICALL to %s()\n", ZSTR_VAL(name));
#endif
return FAILURE;
}