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Use alloca() for temporary allocation

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This commit is contained in:
Dmitry Stogov 2014-04-21 15:18:19 +04:00
parent fd24614cd9
commit acd77dec81
1 changed files with 13 additions and 7 deletions
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20
Zend/zend_API.c
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@ -2836,6 +2836,7 @@ static int zend_is_callable_check_func(int check_flags, zval *callable, zend_fca
zend_class_entry *last_scope;
HashTable *ftable;
int call_via_handler = 0;
ALLOCA_FLAG(use_heap)
if (error) {
*error = NULL;
@ -2845,22 +2846,27 @@ static int zend_is_callable_check_func(int check_flags, zval *callable, zend_fca
fcc->function_handler = NULL;
if (!ce_org) {
char *lmname;
int lmname_len;
/* Skip leading \ */
if (Z_STRVAL_P(callable)[0] == '\\') {
lmname = STR_ALLOC(Z_STRLEN_P(callable) - 1, 0);
zend_str_tolower_copy(lmname->val, Z_STRVAL_P(callable) + 1, Z_STRLEN_P(callable) - 1);
lmname = do_alloca(Z_STRLEN_P(callable) - 1, use_heap);
lmname_len = Z_STRLEN_P(callable) - 1;
zend_str_tolower_copy(lmname, Z_STRVAL_P(callable) + 1, lmname_len);
} else {
lmname = STR_ALLOC(Z_STRLEN_P(callable), 0);
zend_str_tolower_copy(lmname->val, Z_STRVAL_P(callable), Z_STRLEN_P(callable));
lmname = do_alloca(Z_STRLEN_P(callable), use_heap);
lmname_len = Z_STRLEN_P(callable);
zend_str_tolower_copy(lmname, Z_STRVAL_P(callable), lmname_len);
}
/* Check if function with given name exists.
* This may be a compound name that includes namespace name */
fcc->function_handler = zend_hash_find_ptr(EG(function_table), lmname);
fcc->function_handler = zend_hash_str_find_ptr(EG(function_table), lmname, lmname_len);
if (fcc->function_handler != NULL) {
STR_FREE(lmname);
free_alloca(lmname, use_heap);
return 1;
}
STR_FREE(lmname);
free_alloca(lmname, use_heap);
}
/* Split name into class/namespace and method/function names */