access mode for dbase_open() cannot be < 0

diff --git a/ext/dbase/dbase.c b/ext/dbase/dbase.c
index 4c9d6dea20e12712add2a4910ff2b7547fa924a8..9afe7b0f9a52389c43030f7e5f9f21594605f252 100644 (file)
--- a/ext/dbase/dbase.c
+++ b/ext/dbase/dbase.c
@@ -131,6 +131,9 @@ PHP_FUNCTION(dbase_open)
        if (Z_LVAL_PP(options) == 1) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot open %s in write-only mode", Z_STRVAL_PP(dbf_name));
                RETURN_FALSE;
+       } else if (Z_LVAL_PP(options) < 0) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid access mode %ld", Z_LVAL_PP(options));
+               RETURN_FALSE;
        }
 
        if (php_check_open_basedir(Z_STRVAL_PP(dbf_name) TSRMLS_CC)) {