From 4fdafc532037b6e6a272cc1980a160c4a7282783 Mon Sep 17 00:00:00 2001
From: Andrzej Rybczak <andrzej@rybczak.net>
Date: Thu, 24 Oct 2024 01:16:11 +0200
Subject: [PATCH] Do not crash when trying to reverse an empty playlist

Fixes https://github.com/ncmpcpp/ncmpcpp/issues/616.
---
 CHANGELOG.md    | 1 +
 src/actions.cpp | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ba634f51..df4f4b59 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # ncmpcpp-0.10.1 (2024-??-??)
 * Fix compilation with `libc++`.
 * Remove `autogen.sh` in favour of `autoreconf`.
+* Do not crash when trying to reverse an empty playlist.
 
 # ncmpcpp-0.10 (2024-09-03)
 * Add the configuration option `mpd_password`.
diff --git a/src/actions.cpp b/src/actions.cpp
index 89405920..eaf75feb 100644
--- a/src/actions.cpp
+++ b/src/actions.cpp
@@ -1998,7 +1998,10 @@ bool ReversePlaylist::canBeRun()
 		return false;
 	m_begin = myPlaylist->main().begin();
 	m_end = myPlaylist->main().end();
-	return findSelectedRangeAndPrintInfoIfNot(m_begin, m_end);
+	if (m_begin == m_end)
+		return false;
+	else
+		return findSelectedRangeAndPrintInfoIfNot(m_begin, m_end);
 }
 
 void ReversePlaylist::run()