diff options
Diffstat (limited to 'Zend/zend_execute_API.c')
| -rw-r--r-- | Zend/zend_execute_API.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/Zend/zend_execute_API.c b/Zend/zend_execute_API.c index f3a123e390..b57834f395 100644 --- a/Zend/zend_execute_API.c +++ b/Zend/zend_execute_API.c @@ -448,6 +448,10 @@ ZEND_API int zend_is_true(zval *op) #include "../TSRM/tsrm_strtok_r.h" +#define IS_VISITED_CONSTANT IS_CONSTANT_INDEX +#define IS_CONSTANT_VISITED(p) (Z_TYPE_P(p) & IS_VISITED_CONSTANT) +#define MARK_CONSTANT_VISITED(p) Z_TYPE_P(p) |= IS_VISITED_CONSTANT + ZEND_API int zval_update_constant_ex(zval **pp, void *arg, zend_class_entry *scope TSRMLS_DC) { zval *p = *pp; @@ -455,13 +459,17 @@ ZEND_API int zval_update_constant_ex(zval **pp, void *arg, zend_class_entry *sco zval const_value; char *colon; - if (Z_TYPE_P(p) == IS_CONSTANT) { + if (IS_CONSTANT_VISITED(p)) { + zend_error(E_ERROR, "Cannot declare self-referencing constant '%s'", Z_STRVAL_P(p)); + } else if (Z_TYPE_P(p) == IS_CONSTANT) { int refcount; zend_uchar is_ref; SEPARATE_ZVAL_IF_NOT_REF(pp); p = *pp; + MARK_CONSTANT_VISITED(p); + refcount = p->refcount; is_ref = p->is_ref; |