Use zend_dval_to_lval() in spl_offset_convert_to_long()

Avoid fptoi UB and use the standard PHP conversion behavior.

diff --git a/ext/spl/spl_engine.c b/ext/spl/spl_engine.c
index c554e69869f1bce3e6dbd7fd1ab09f16a5770cbf..e052471879a382d36e8bd5d8cdd1bd6752cec928 100644 (file)
--- a/ext/spl/spl_engine.c
+++ b/ext/spl/spl_engine.c
@@ -41,7 +41,7 @@ try_again:
                }
                break;
        case IS_DOUBLE:
-               return (zend_long)Z_DVAL_P(offset);
+               return zend_dval_to_lval(Z_DVAL_P(offset));
        case IS_LONG:
                return Z_LVAL_P(offset);
        case IS_FALSE: