Fix bug #43314

Assume worst case all-encoded case here

diff --git a/ext/iconv/iconv.c b/ext/iconv/iconv.c
index 961d676a7e256ef414eed902c09002f849e11a5c..cdff2982d5d90ecfc289c199f3fa222497890d90 100644 (file)
--- a/ext/iconv/iconv.c
+++ b/ext/iconv/iconv.c
@@ -1267,7 +1267,7 @@ static php_iconv_err_t _php_iconv_mime_encode(smart_str *pretval, const char *fn
                                                break;
                                        }
 
-                                       out_size -= ((nbytes_required - (char_cnt - 2)) + 1) / (3 - 1);
+                                       out_size -= ((nbytes_required - (char_cnt - 2)) + 1) / 3;
                                        in_left = ini_in_left;
                                        in_p = ini_in_p;
                                }