Let's not crash when no error str has been set

diff --git a/ext/xslt/sablot.c b/ext/xslt/sablot.c
index 7902d4f1b7f061ee000b06cc50ba39ae98959b9c..6178330a2f64ab3851c09d6f7bc91229a3485a11 100644 (file)
--- a/ext/xslt/sablot.c
+++ b/ext/xslt/sablot.c
@@ -581,7 +581,11 @@ PHP_FUNCTION(xslt_error)
        }
        ZEND_FETCH_RESOURCE(handle, php_xslt *, processor_p, -1, le_xslt_name, le_xslt);
 
-       RETURN_STRING(XSLT_ERRSTR(handle), 1);  
+       if(XSLT_ERRSTR(handle)) {
+               RETURN_STRING(XSLT_ERRSTR(handle), 1);  
+       } else {
+               RETURN_FALSE;
+       }
 }
 /* }}} */