From e3bbc5ddded1a87b0c2a2f4901bc3998194ab36c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois?= <francois@kaz.bzh>
Date: Sun, 1 Jan 2023 00:07:36 +0100
Subject: [PATCH] fix base64 (==)

---
 src/cpp/kazMisc.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/cpp/kazMisc.cpp b/src/cpp/kazMisc.cpp
index 0bb12c7..03f17a0 100644
--- a/src/cpp/kazMisc.cpp
+++ b/src/cpp/kazMisc.cpp
@@ -311,8 +311,7 @@ kaz::base64Decode (string &content) {
       buff [j] = 0;
     *q = buff [0] << 2 | (buff [1] & 0x30) >> 4;
     ++q;
-    --idx;
-    if (idx) {
+    if (idx > 2) {
       *q = buff [1] << 4 | (buff [2] & 0x3c) >> 2;
       ++q;
     }