From ffb48ed030baebfc0760edee1eaae2e1df98b104 Mon Sep 17 00:00:00 2001
From: Christian Prochaska <christian.prochaska@genode-labs.com>
Date: Tue, 22 Nov 2022 16:17:02 +0100
Subject: [PATCH] extract: handle leading '/' in 'create_directories()'

Fixes #4690
---
 repos/libports/src/app/extract/main.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/repos/libports/src/app/extract/main.cc b/repos/libports/src/app/extract/main.cc
index 5eb435f799..ec473d39a1 100644
--- a/repos/libports/src/app/extract/main.cc
+++ b/repos/libports/src/app/extract/main.cc
@@ -54,6 +54,10 @@ bool create_directories(Genode::String<N> const &path)
 		if (!end_of_elem && !end_of_path)
 			continue;
 
+		/* handle leading '/' */
+		if (end_of_elem && (sub_path_len == 0))
+			continue;
+
 		Genode::String<N> sub_path(Genode::Cstring(path.string(), sub_path_len));
 
 		/* create directory for sub path if it does not already exist */