From ef28f42a0db7dffc7f790ca8be3642c59d723d53 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Tue, 22 Jun 2021 11:56:03 +0200
Subject: Fix crash when FIG0/7 doesn't have enough space

---
 src/fig/FIG0_7.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src')

diff --git a/src/fig/FIG0_7.cpp b/src/fig/FIG0_7.cpp
index 50a12cf..363fa65 100644
--- a/src/fig/FIG0_7.cpp
+++ b/src/fig/FIG0_7.cpp
@@ -49,6 +49,12 @@ FillStatus FIG0_7::fill(uint8_t *buf, size_t max_size)
 {
     FillStatus fs;
 
+    if (max_size < 4) {
+        fs.complete_fig_transmitted = false;
+        fs.num_bytes_written = 0;
+        return fs;
+    }
+
     auto ensemble = m_rti->ensemble;
 
     if (ensemble->reconfig_counter < 0) {
-- 
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