From fe34b072d6b67d546a0ea910032f9b91ae8fc473 Mon Sep 17 00:00:00 2001
From: gavanderhoorn <g.a.vanderhoorn@tudelft.nl>
Date: Fri, 16 Jun 2023 18:12:33 +0200
Subject: [PATCH] inform_gen: pass correct remaining length to strncat(..)

Improved version based on CodeQL documentation.
---
 src/InformCheckerAndGenerator.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/InformCheckerAndGenerator.c b/src/InformCheckerAndGenerator.c
index 7bb1e24c..71547263 100644
--- a/src/InformCheckerAndGenerator.c
+++ b/src/InformCheckerAndGenerator.c
@@ -73,7 +73,8 @@ void Ros_InformChecker_CreateJob()
                 if (group->baseTrackGroupId != -1) //this robot has a base
                 {
                     sprintf(tagBuffer, ",BS%d", (group->baseTrackGroupId - MP_B1_GID) + 1);
-                    strncat(lineBuffer, tagBuffer, MAX_JOB_LINE_LENGTH);
+                    strncat(lineBuffer, tagBuffer,
+                        sizeof(lineBuffer) - Ros_strnlen(lineBuffer, MAX_JOB_LINE_LENGTH) - 1);
                 }
 
                 FileUtilityFunctions_WriteLine(fd, lineBuffer);