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Avoid unnecessary string refcounting in ext/mbstring #17892

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merged 1 commit into from
Feb 22, 2025
Merged

Avoid unnecessary string refcounting in ext/mbstring #17892

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7 changes: 4 additions & 3 deletions ext/mbstring/mbstring.c
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Original file line number Diff line number Diff line change
Expand Up @@ -390,7 +390,8 @@ static zend_result php_mb_parse_encoding_array(HashTable *target_hash, const mbf
size_t n = 0;
zval *hash_entry;
ZEND_HASH_FOREACH_VAL(target_hash, hash_entry) {
zend_string *encoding_str = zval_try_get_string(hash_entry);
zend_string *tmp_encoding_str;
zend_string *encoding_str = zval_try_get_tmp_string(hash_entry, &tmp_encoding_str);
if (UNEXPECTED(!encoding_str)) {
efree(ZEND_VOIDP(list));
return FAILURE;
Expand All @@ -415,12 +416,12 @@ static zend_result php_mb_parse_encoding_array(HashTable *target_hash, const mbf
n++;
} else {
zend_argument_value_error(arg_num, "contains invalid encoding \"%s\"", ZSTR_VAL(encoding_str));
zend_string_release(encoding_str);
zend_tmp_string_release(tmp_encoding_str);
efree(ZEND_VOIDP(list));
return FAILURE;
}
}
zend_string_release(encoding_str);
zend_tmp_string_release(tmp_encoding_str);
} ZEND_HASH_FOREACH_END();
*return_list = list;
*return_size = n;
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