From ea99e4724f9e7f6eaa9b267d6081c35b5e1fcf06 Mon Sep 17 00:00:00 2001
From: s-hadinger <49731213+s-hadinger@users.noreply.github.com>
Date: Wed, 11 Jun 2025 23:10:20 +0200
Subject: [PATCH] Autoconf failing when last line has no trailing LF (#23537)

---
 CHANGELOG.md                               | 1 +
 lib/libesp32/berry_tasmota/src/be_port.cpp | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 71b3d112d..1e01ae304 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -37,6 +37,7 @@ All notable changes to this project will be documented in this file.
 - Berry avoid json parsing for unmatched commands (#23494)
 - Berry integer and real parser to handle overflows (#23495)
 - Berry potential pointer underflow with `string.endswith` (#23496)
+- Autoconf failing when last line has no trailing LF
 
 ### Removed
 
diff --git a/lib/libesp32/berry_tasmota/src/be_port.cpp b/lib/libesp32/berry_tasmota/src/be_port.cpp
index c07200b2d..300c6de00 100644
--- a/lib/libesp32/berry_tasmota/src/be_port.cpp
+++ b/lib/libesp32/berry_tasmota/src/be_port.cpp
@@ -319,7 +319,7 @@ char* be_fgets(void *hfile, void *buffer, int size)
         // Serial.printf("be_fgets size=%d ret=%d\n", size, ret);
         if (ret >= 0) {
             buf[ret] = 0;           // add string terminator
-            if (ret < size - 1) {
+            if ((ret != 0) && (ret < size - 1)) {
                 buf[ret] = '\n';
                 buf[ret+1] = 0;
             }