From 0e7d0755a911149d0c517c6b93887b3155a9cfe0 Mon Sep 17 00:00:00 2001
From: Kai Pastor <dg0yt@darc.de>
Date: Tue, 21 Nov 2023 09:24:03 +0100
Subject: [PATCH] fixup! Add functionality for converting UNIX paths in
 arguments and environment variables to Windows form for native Win32
 applications.

Don't memchr behind end, it+1
---
 winsup/cygwin/msys2_path_conv.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/winsup/cygwin/msys2_path_conv.cc b/winsup/cygwin/msys2_path_conv.cc
index 2bdf0ae949..d4f0192bf6 100644
--- a/winsup/cygwin/msys2_path_conv.cc
+++ b/winsup/cygwin/msys2_path_conv.cc
@@ -349,6 +349,13 @@ path_type find_path_start_and_type(const char** src, int recurse, const char* en
 
     path_type result = NONE;
 
+    if (it + 1 == end) {
+        switch (*it) {
+        case '/':   return ROOTED_PATH ;
+        default:    return SIMPLE_WINDOWS_PATH;
+        }
+    }
+
     if (isalpha(*it) && *(it + 1) == ':') {
         if (*(it + 2) == '\\') {
             return SIMPLE_WINDOWS_PATH;